{ "instance": { "spr-20191231x10k.htm": { "axisCustom": 7, "axisStandard": 29, "contextCount": 406, "dts": { "calculationLink": { "local": [ "spr-20191231_cal.xml" ] }, "definitionLink": { "local": [ "spr-20191231_def.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml" ] }, "inline": { "local": [ "spr-20191231x10k.htm" ] }, "labelLink": { "local": [ "spr-20191231_lab.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-doc-2019-01-31.xml" ] }, "presentationLink": { "local": [ "spr-20191231_pre.xml" ] }, "referenceLink": { "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-ref-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml" ] }, "schema": { "local": [ "spr-20191231.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd", "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd", "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd", "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd", "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd", "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd" ] } }, "elementCount": 1474, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2019-01-31": 47, "http://www.spiritaerosystems.com/20191231": 5, "http://xbrl.sec.gov/dei/2019-01-31": 5, "total": 57 }, "keyCustom": 151, "keyStandard": 557, "memberCustom": 78, "memberStandard": 46, "nsprefix": "spr", "nsuri": "http://www.spiritaerosystems.com/20191231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:Security12bTitle", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001000 - Document - Document and Entity Information", "role": "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:Security12bTitle", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2102100 - Disclosure - Accounting Changes and Error Corrections (Notes)", "role": "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes", "shortName": "Accounting Changes and Error Corrections (Notes)", "subGroupType": "", "uniqueAnchor": null }, "R100": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2441402 - Disclosure - Quarterly Financial Data (Unaudited) (Details)", "role": "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails", "shortName": "Quarterly Financial Data (Unaudited) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "lang": null, "name": "us-gaap:GrossProfit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R101": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "spr:ChangeInAccountingEstimateaggregateaffectingearningsfromcontinuingoperations", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2441403 - Disclosure - Quarterly Financial Data (Unaudited)- Textuals (Details)", "role": "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "shortName": "Quarterly Financial Data (Unaudited)- Textuals (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R102": { "firstAnchor": { "ancestors": [ "span", "span", "div", "spr:BBDAcquisitionTextBlockTableTextBlock", "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-6", "first": true, "lang": null, "name": "spr:BBDpurchaseprice", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2442402 - Disclosure - Acquisitions (Details)", "role": "http://www.spiritaerosystems.com/role/AcquisitionsDetails", "shortName": "Acquisitions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "spr:BBDAcquisitionTextBlockTableTextBlock", "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-6", "first": true, "lang": null, "name": "spr:BBDpurchaseprice", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R103": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2444402 - Disclosure - Condensed Consolidating Financial Information (Details)", "role": "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "shortName": "Condensed Consolidating Financial Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "spr:EquityInNetIncomeOfSubsidiaries", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105100 - Disclosure - Summary of Significant Accounting Policies", "role": "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPolicies", "shortName": "Summary of Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2107100 - Disclosure - New Accounting Pronouncements (Notes)", "role": "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsNotes", "shortName": "New Accounting Pronouncements (Notes)", "subGroupType": "", "uniqueAnchor": null }, "R13": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountingChangesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2109100 - Disclosure - Changes in Estimates", "role": "http://www.spiritaerosystems.com/role/ChangesInEstimates", "shortName": "Changes in Estimates", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountingChangesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2110100 - Disclosure - Accounts Receivable, net", "role": "http://www.spiritaerosystems.com/role/AccountsReceivableNet", "shortName": "Accounts Receivable, net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:ContractwithcustomerassetandliabilityTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111100 - Disclosure - Contract with customer, asset and liability (Notes)", "role": "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityNotes", "shortName": "Contract with customer, asset and liability (Notes)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:ContractwithcustomerassetandliabilityTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2112100 - Disclosure - Revenue Disaggregation and Outstanding Performance Obligations (Notes)", "role": "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsNotes", "shortName": "Revenue Disaggregation and Outstanding Performance Obligations (Notes)", "subGroupType": "", "uniqueAnchor": null }, "R17": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InventoryDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2113100 - Disclosure - Inventory", "role": "http://www.spiritaerosystems.com/role/Inventory", "shortName": "Inventory", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InventoryDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2114100 - Disclosure - Property, Plant and Equipment, net", "role": "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNet", "shortName": "Property, Plant and Equipment, net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeLeasesPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - Leases (Notes)", "role": "http://www.spiritaerosystems.com/role/LeasesNotes", "shortName": "Leases (Notes)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeLeasesPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001000 - Statement - Consolidated Statements of Operations", "role": "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "shortName": "Consolidated Statements of Operations", "subGroupType": "", "uniqueAnchor": null }, "R20": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherAssetsNoncurrentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2116100 - Disclosure - Other Assets", "role": "http://www.spiritaerosystems.com/role/OtherAssets", "shortName": "Other Assets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherAssetsNoncurrentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AdvancePaymentsAndDeferredRevenueCreditsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2118100 - Disclosure - Advance Payments and Deferred Revenue/Credits", "role": "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCredits", "shortName": "Advance Payments and Deferred Revenue/Credits", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AdvancePaymentsAndDeferredRevenueCreditsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2120100 - Disclosure - Fair Value Measurements", "role": "http://www.spiritaerosystems.com/role/FairValueMeasurements", "shortName": "Fair Value Measurements", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2121100 - Disclosure - Derivative and Hedging Activities", "role": "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivities", "shortName": "Derivative and Hedging Activities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2125100 - Disclosure - Debt", "role": "http://www.spiritaerosystems.com/role/Debt", "shortName": "Debt", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2128100 - Disclosure - Pension and Other Post-Retirement Benefits", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefits", "shortName": "Pension and Other Post-Retirement Benefits", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:CapitalStockTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2129100 - Disclosure - Capital Stock", "role": "http://www.spiritaerosystems.com/role/CapitalStock", "shortName": "Capital Stock", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:CapitalStockTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "span", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2130100 - Disclosure - Stock Compensation", "role": "http://www.spiritaerosystems.com/role/StockCompensation", "shortName": "Stock Compensation", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2132100 - Disclosure - Income Taxes", "role": "http://www.spiritaerosystems.com/role/IncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2133100 - Disclosure - Equity", "role": "http://www.spiritaerosystems.com/role/Equity", "shortName": "Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002000 - Statement - Consolidated Statements of Comprehensive Income", "role": "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "shortName": "Consolidated Statements of Comprehensive Income", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsContingenciesAndGuaranteesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2134100 - Disclosure - Commitments, Contingencies and Guarantees", "role": "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuarantees", "shortName": "Commitments, Contingencies and Guarantees", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsContingenciesAndGuaranteesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2135100 - Disclosure - Other Income (Expense), Net", "role": "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNet", "shortName": "Other Income (Expense), Net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ConcentrationRiskDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2137100 - Disclosure - Significant Concentration of Risk", "role": "http://www.spiritaerosystems.com/role/SignificantConcentrationOfRisk", "shortName": "Significant Concentration of Risk", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ConcentrationRiskDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SupplementalBalanceSheetDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2139100 - Disclosure - Supplemental Balance Sheet Information", "role": "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformation", "shortName": "Supplemental Balance Sheet Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SupplementalBalanceSheetDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2140100 - Disclosure - Segment Information", "role": "http://www.spiritaerosystems.com/role/SegmentInformation", "shortName": "Segment Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2141100 - Disclosure - Quarterly Financial Data (Unaudited)", "role": "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnaudited", "shortName": "Quarterly Financial Data (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2142100 - Disclosure - Acquisitions (Notes)", "role": "http://www.spiritaerosystems.com/role/AcquisitionsNotes", "shortName": "Acquisitions (Notes)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2144100 - Disclosure - Condensed Consolidating Financial Information", "role": "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformation", "shortName": "Condensed Consolidating Financial Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2145100 - Disclosure - Subsequent Events", "role": "http://www.spiritaerosystems.com/role/SubsequentEvents", "shortName": "Subsequent Events", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2205201 - Disclosure - Summary of Significant Accounting Policies (Policies)", "role": "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies", "shortName": "Summary of Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1002501 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)", "role": "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical", "shortName": "Consolidated Statements of Comprehensive Income (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R40": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2302302 - Disclosure - Accounting Changes and Error Corrections (Tables)", "role": "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables", "shortName": "Accounting Changes and Error Corrections (Tables)", "subGroupType": "tables", "uniqueAnchor": null }, "R41": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:ScheduleofEstimatedUsefulLifeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2305302 - Disclosure - Summary of Significant Accounting Policies (Tables)", "role": "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesTables", "shortName": "Summary of Significant Accounting Policies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:ScheduleofEstimatedUsefulLifeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfChangeInAccountingEstimateTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2309301 - Disclosure - Changes in Estimates Changes in Estimate (Tables)", "role": "http://www.spiritaerosystems.com/role/ChangesInEstimatesChangesInEstimateTables", "shortName": "Changes in Estimates Changes in Estimate (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfChangeInAccountingEstimateTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AccountsReceivableNetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2310301 - Disclosure - Accounts Receivable, net (Tables)", "role": "http://www.spiritaerosystems.com/role/AccountsReceivableNetTables", "shortName": "Accounts Receivable, net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AccountsReceivableNetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2312301 - Disclosure - Revenue Disaggregation and Outstanding Performance Obligations (Tables)", "role": "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables", "shortName": "Revenue Disaggregation and Outstanding Performance Obligations (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:SummaryOfInventoriesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2313301 - Disclosure - Inventory (Tables)", "role": "http://www.spiritaerosystems.com/role/InventoryTables", "shortName": "Inventory (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:SummaryOfInventoriesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2314301 - Disclosure - Property, Plant and Equipment, net (Tables)", "role": "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetTables", "shortName": "Property, Plant and Equipment, net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:OtherAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2316301 - Disclosure - Other Assets (Tables)", "role": "http://www.spiritaerosystems.com/role/OtherAssetsTables", "shortName": "Other Assets (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:OtherAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:CarryingAmountAndEstimatedFairValueOfLongTermDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2320301 - Disclosure - Fair Value Measurements (Tables)", "role": "http://www.spiritaerosystems.com/role/FairValueMeasurementsTables", "shortName": "Fair Value Measurements (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:CarryingAmountAndEstimatedFairValueOfLongTermDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:LongTermDebtAndCapitalLeaseObligationsCurrentAndNonCurrentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2325301 - Disclosure - Debt (Tables)", "role": "http://www.spiritaerosystems.com/role/DebtTables", "shortName": "Debt (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:LongTermDebtAndCapitalLeaseObligationsCurrentAndNonCurrentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003000 - Statement - Consolidated Balance Sheets", "role": "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "shortName": "Consolidated Balance Sheets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "us-gaap:ContractWithCustomerLiabilityCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:MultiemployerPlanTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2328301 - Disclosure - Pension and Other Post-Retirement Benefits (Tables)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "shortName": "Pension and Other Post-Retirement Benefits (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:MultiemployerPlanTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2330301 - Disclosure - Stock Compensation (Tables)", "role": "http://www.spiritaerosystems.com/role/StockCompensationTables", "shortName": "Stock Compensation (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2332301 - Disclosure - Income Taxes (Tables)", "role": "http://www.spiritaerosystems.com/role/IncomeTaxesTables", "shortName": "Income Taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2333301 - Disclosure - Equity (Tables)", "role": "http://www.spiritaerosystems.com/role/EquityTables", "shortName": "Equity (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:ScheduleOfFutureMinimumLeaseOrRentalPaymentsForLeasesTableTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2334301 - Disclosure - Commitments, Contingencies and Guarantees (Tables)", "role": "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesTables", "shortName": "Commitments, Contingencies and Guarantees (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:ScheduleOfFutureMinimumLeaseOrRentalPaymentsForLeasesTableTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:OtherIncomeExpenseNetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2335301 - Disclosure - Other Income (Expense), Net (Tables)", "role": "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetTables", "shortName": "Other Income (Expense), Net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:OtherIncomeExpenseNetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AccruedExpensesAndOtherLiabilitiesTableTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2339301 - Disclosure - Supplemental Balance Sheet Information (Tables)", "role": "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationTables", "shortName": "Supplemental Balance Sheet Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AccruedExpensesAndOtherLiabilitiesTableTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2340301 - Disclosure - Segment Information (Tables)", "role": "http://www.spiritaerosystems.com/role/SegmentInformationTables", "shortName": "Segment Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2341301 - Disclosure - Quarterly Financial Data (Unaudited) (Tables)", "role": "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTables", "shortName": "Quarterly Financial Data (Unaudited) (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AscoAcquisitionTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2342301 - Disclosure - Acquisitions (Tables)", "role": "http://www.spiritaerosystems.com/role/AcquisitionsTables", "shortName": "Acquisitions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "spr:AscoAcquisitionTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:PreferredStockParOrStatedValuePerShare", "reportCount": 1, "unitRef": "usdPerShare", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003501 - Statement - Consolidated Balance Sheets (Parenthetical)", "role": "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "shortName": "Consolidated Balance Sheets (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R60": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2344301 - Disclosure - Condensed Consolidating Financial Information (Tables)", "role": "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationTables", "shortName": "Condensed Consolidating Financial Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402403 - Disclosure - Accounting Changes and Error Corrections (Details)", "role": "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "shortName": "Accounting Changes and Error Corrections (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "I2019Q1_us-gaap_ProspectiveAdoptionOfNewAccountingPronouncementsAxis_us-gaap_AccountingStandardsUpdate201602Member", "decimals": "1", "lang": null, "name": "us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "spr:ScheduleofEstimatedUsefulLifeTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405403 - Disclosure - Summary of Significant Accounting Policies (Details)", "role": "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "shortName": "Summary of Significant Accounting Policies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2016Q4", "decimals": "-5", "lang": null, "name": "spr:ProductWarrantyAndExtraordinaryRework", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405404 - Disclosure - Summary of Significant Accounting Policies Income Tax (Details)", "role": "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails", "shortName": "Summary of Significant Accounting Policies Income Tax (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R64": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "spr:ChangeInAccountingEstimateaggregateaffectingearningsfromcontinuingoperations", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409402 - Disclosure - Changes in Estimates (Details)", "role": "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "shortName": "Changes in Estimates (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfChangeInAccountingEstimateTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "lang": null, "name": "spr:ChangesinContractEstimatesaggregateAffectingearningsfromContinuingOperationsperSharediluted", "reportCount": 1, "unique": true, "unitRef": "usdPerShare", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410402 - Disclosure - Accounts Receivable, net (Details)", "role": "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails", "shortName": "Accounts Receivable, net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:ContractwithcustomerassetandliabilityTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ContractWithCustomerAssetGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411402 - Disclosure - Contract with customer, asset and liability (Details)", "role": "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails", "shortName": "Contract with customer, asset and liability (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:ContractwithcustomerassetandliabilityTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ContractWithCustomerAssetGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412402 - Disclosure - Revenue Disaggregation and Outstanding Performance Obligations (Details)", "role": "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "shortName": "Revenue Disaggregation and Outstanding Performance Obligations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD_us-gaap_TimingOfTransferOfGoodOrServiceAxis_us-gaap_TransferredOverTimeMember", "decimals": "-5", "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "spr:SummaryOfInventoriesTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InventoryRawMaterialsNetOfReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413402 - Disclosure - Inventory (Details)", "role": "http://www.spiritaerosystems.com/role/InventoryDetails", "shortName": "Inventory (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "spr:SummaryOfInventoriesTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InventoryRawMaterialsNetOfReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "spr:SummaryOfInventoriesTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OtherInventoryCapitalizedCosts", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413403 - Disclosure - Inventory (Details 1)", "role": "http://www.spiritaerosystems.com/role/InventoryDetails1", "shortName": "Inventory (Details 1)", "subGroupType": "details", "uniqueAnchor": null }, "R7": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2016Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:TreasuryStockValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004000 - Statement - Consolidated Statements of Changes in Shareholders Equity", "role": "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "shortName": "Consolidated Statements of Changes in Shareholders Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2016Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:TreasuryStockValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "spr:SummaryOfInventoriesTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InventoryValuationReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413404 - Disclosure - Inventory (Details 2)", "role": "http://www.spiritaerosystems.com/role/InventoryDetails2", "shortName": "Inventory (Details 2)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "spr:SummaryOfInventoriesTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InventoryValuationReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CostOfPropertyRepairsAndMaintenance", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414402 - Disclosure - Property, Plant and Equipment, net (Details)", "role": "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails", "shortName": "Property, Plant and Equipment, net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:PropertyPlantAndEquipmentTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "us-gaap:Land", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ImpairmentOfLongLivedAssetsHeldForUse", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414403 - Disclosure - Property, Plant and Equipment, net (Details Textual)", "role": "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual", "shortName": "Property, Plant and Equipment, net (Details Textual)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ImpairmentOfLongLivedAssetsHeldForUse", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415403 - Disclosure - Leases (Details)", "role": "http://www.spiritaerosystems.com/role/LeasesDetails", "shortName": "Leases (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:OtherAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416402 - Disclosure - Other Assets (Details)", "role": "http://www.spiritaerosystems.com/role/OtherAssetsDetails", "shortName": "Other Assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:OtherAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "spr:Customeradvances", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418402 - Disclosure - Advance Payments and Deferred Revenue/Credits (Details)", "role": "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails", "shortName": "Advance Payments and Deferred Revenue/Credits (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "spr:Customeradvances", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:CarryingAmountAndEstimatedFairValueOfLongTermDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420402 - Disclosure - Fair Value Measurements (Details)", "role": "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails", "shortName": "Fair Value Measurements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:CarryingAmountAndEstimatedFairValueOfLongTermDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "5", "first": true, "lang": null, "name": "us-gaap:DerivativeFixedInterestRate", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421402 - Disclosure - Derivative and Hedging Activities (Details)", "role": "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "shortName": "Derivative and Hedging Activities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember", "decimals": "-5", "lang": null, "name": "us-gaap:DerivativeGainLossOnDerivativeNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "5", "first": true, "lang": null, "name": "us-gaap:DerivativeFixedInterestRate", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421405 - Disclosure - Derivative and Hedging Activities (Details Textual)", "role": "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "shortName": "Derivative and Hedging Activities (Details Textual)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CapitalLeaseObligationsCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425402 - Disclosure - Debt (Details)", "role": "http://www.spiritaerosystems.com/role/DebtDetails", "shortName": "Debt (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CapitalLeaseObligationsCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005000 - Statement - Consolidated Statements of Cash Flows", "role": "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "shortName": "Consolidated Statements of Cash Flows", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:Depreciation", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:TreasuryStockSharesAcquired", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425403 - Disclosure - Debt (Details Textual)", "role": "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "shortName": "Debt (Details Textual)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "1", "lang": null, "name": "spr:OptionalRevolverCommitment", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "span", "span", "div", "spr:MultiemployerPlanTableTextBlock", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "spr:IAMLevelofContributionperhouruntilJune2019", "reportCount": 1, "unitRef": "USD_PER_hour", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428402 - Disclosure - Pension and Other Post Retirement Benefits (Details)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "shortName": "Pension and Other Post Retirement Benefits (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD_us-gaap_RetirementPlanSponsorLocationAxis_country_US", "decimals": "-5", "lang": null, "name": "us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "spr:SerpAndPostRetirementMedicalPlanContributionsMaximum", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428403 - Disclosure - Pension and Other Post Retirement Benefits (Details 1)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1", "shortName": "Pension and Other Post Retirement Benefits (Details 1)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "spr:SerpAndPostRetirementMedicalPlanContributionsMaximum", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "spr:PensionAndOtherPostRetirementBenefitPlansAnnualExpense", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428404 - Disclosure - Pension and Other Post Retirement Plans (Details 2)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "shortName": "Pension and Other Post Retirement Plans (Details 2)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "spr:PensionAndOtherPostRetirementBenefitPlansAnnualExpense", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:PensionandOtherPostRetirementBenefitsPlanU.S.AssetCatagoryTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4_us-gaap_RetirementPlanSponsorLocationAxis_country_US", "decimals": "2", "first": true, "lang": null, "name": "us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428405 - Disclosure - Pension and Other Post Retirement Plans (Details 3)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "shortName": "Pension and Other Post Retirement Plans (Details 3)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:PensionandOtherPostRetirementBenefitsPlanU.S.AssetCatagoryTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4_us-gaap_RetirementPlanSponsorLocationAxis_country_US", "decimals": "2", "first": true, "lang": null, "name": "us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:PensionAndOtherPostRetirementBenefitsPlans10YearExpectedBenefitsPaid", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4_us-gaap_RetirementPlanSponsorLocationAxis_country_US_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428406 - Disclosure - Pension and Other Post Retirement Plans (Details 4)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "shortName": "Pension and Other Post Retirement Plans (Details 4)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:PensionAndOtherPostRetirementBenefitsPlans10YearExpectedBenefitsPaid", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4_us-gaap_RetirementPlanSponsorLocationAxis_country_US_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428407 - Disclosure - Pension and Other Post Retirement Plans (Details 5)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5", "shortName": "Pension and Other Post Retirement Plans (Details 5)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428408 - Disclosure - Pension and Other Post Retirement Plans (Details 6)", "role": "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6", "shortName": "Pension and Other Post Retirement Plans (Details 6)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "spr:TotalSharesAuthorized", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2429401 - Disclosure - Capital Stock (Details)", "role": "http://www.spiritaerosystems.com/role/CapitalStockDetails", "shortName": "Capital Stock (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2018Q4", "decimals": "0", "lang": null, "name": "spr:SERPunits", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensation", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2430402 - Disclosure - Stock Compensation (Details)", "role": "http://www.spiritaerosystems.com/role/StockCompensationDetails", "shortName": "Stock Compensation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD_us-gaap_AwardTypeAxis_spr_DirectorStockPlanMember", "decimals": "-5", "lang": null, "name": "us-gaap:AllocatedShareBasedCompensationExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101100 - Disclosure - Nature of Business", "role": "http://www.spiritaerosystems.com/role/NatureOfBusiness", "shortName": "Nature of Business", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ValuationAllowancesAndReservesBalance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2432402 - Disclosure - Income Taxes (Details)", "role": "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "shortName": "Income Taxes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ValuationAllowancesAndReservesBalance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2432403 - Disclosure - Income Taxes (Details Textuals)", "role": "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "shortName": "Income Taxes (Details Textuals)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2433402 - Disclosure - Equity (Details)", "role": "http://www.spiritaerosystems.com/role/EquityDetails", "shortName": "Equity (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2434402 - Disclosure - Commitments, Contingencies and Guarantees (Details)", "role": "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "shortName": "Commitments, Contingencies and Guarantees (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "spr:CapitalCommitments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:ScheduleOfFutureMinimumLeaseOrRentalPaymentsForLeasesTableTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2434403 - Disclosure - Commitments Lease Table (Details)", "role": "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails", "shortName": "Commitments Lease Table (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:ScheduleOfFutureMinimumLeaseOrRentalPaymentsForLeasesTableTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:OtherIncomeExpenseNetTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestIncomeSecuritiesStateAndMunicipal", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2435402 - Disclosure - Other Income (Expense), Net (Details)", "role": "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails", "shortName": "Other Income (Expense), Net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "spr:OtherIncomeExpenseNetTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestIncomeSecuritiesStateAndMunicipal", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R96": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD_spr_ConcentrationtypeAxis_spr_RevenueMember_us-gaap_ConcentrationRiskByTypeAxis_spr_CompanyOneMember", "decimals": "2", "first": true, "lang": null, "name": "us-gaap:ConcentrationRiskPercentage1", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2437401 - Disclosure - Significant Concentrations of Risk (Details)", "role": "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails", "shortName": "Significant Concentrations of Risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD_spr_ConcentrationtypeAxis_spr_RevenueMember_us-gaap_ConcentrationRiskByTypeAxis_spr_CompanyOneMember", "decimals": "2", "first": true, "lang": null, "name": "us-gaap:ConcentrationRiskPercentage1", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "spr:AccruedExpensesAndOtherLiabilitiesTableTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OtherAccruedLiabilitiesCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2439402 - Disclosure - Supplemental Balance Sheet Information (Details)", "role": "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails", "shortName": "Supplemental Balance Sheet Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "spr:AccruedExpensesAndOtherLiabilitiesTableTableTextBlock", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "spr:AccruedWagesAndBonuses", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R98": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "first": true, "lang": null, "name": "spr:PercentageOfNetRevenueDerivedFromTwoLargestCustomers", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2440402 - Disclosure - Segment Information (Details)", "role": "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "shortName": "Segment Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "first": true, "lang": null, "name": "spr:PercentageOfNetRevenueDerivedFromTwoLargestCustomers", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R99": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2440403 - Disclosure - Segment Information (Details 1)", "role": "http://www.spiritaerosystems.com/role/SegmentInformationDetails1", "shortName": "Segment Information (Details 1)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "spr-20191231x10k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "lang": null, "name": "spr:TotalPercentageRevenues", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } } }, "segmentCount": 128, "tag": { "country_FR": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "FRANCE", "terseLabel": "France [Member]" } } }, "localname": "FR", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "country_GB": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "UNITED KINGDOM", "terseLabel": "UNITED KINGDOM", "verboseLabel": "United Kingdom [Member]" } } }, "localname": "GB", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "domainItemType" }, "country_US": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "UNITED STATES", "terseLabel": "UNITED STATES", "verboseLabel": "United States [Member]" } } }, "localname": "US", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r684" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report", "terseLabel": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "gYearItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r683" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]", "terseLabel": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r686" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float", "terseLabel": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r685" ], "lang": { "en-US": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "employerIdItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers", "terseLabel": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]", "terseLabel": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r681" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r682" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation" ], "xbrltype": "tradingSymbolItemType" }, "invest_InvestmentGeographicRegionAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Investment Geographic Region [Axis]", "terseLabel": "Investment Geographic Region [Axis]" } } }, "localname": "InvestmentGeographicRegionAxis", "nsuri": "http://xbrl.sec.gov/invest/2013-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "stringItemType" }, "spr_A2010Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2010 [Member]", "label": "2010 [Member]", "terseLabel": "2010 [Member]" } } }, "localname": "A2010Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2011Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2011 [Member]", "label": "2011 [Member]", "terseLabel": "2011 [Member]" } } }, "localname": "A2011Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2012Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2012 [Member]", "label": "2012 [Member]", "terseLabel": "2012 [Member]" } } }, "localname": "A2012Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2014Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2014 [Member]", "label": "2014 [Member]", "terseLabel": "2014 [Member]" } } }, "localname": "A2014Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2015Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2015 [Member]", "label": "2015 [Member]", "terseLabel": "2015 [Member]" } } }, "localname": "A2015Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2015ShareRepurchaseProgramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2015 Share Repurchase Program [Member]", "label": "2015 Share Repurchase Program [Member]", "terseLabel": "2015 Share Repurchase Program [Member]" } } }, "localname": "A2015ShareRepurchaseProgramMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "domainItemType" }, "spr_A2016Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2016 [Member]", "label": "2016 [Member]", "terseLabel": "2016 [Member]" } } }, "localname": "A2016Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2016ShareRepurchaseProgramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2016 Share Repurchase Program [Member]", "label": "2016 Share Repurchase Program [Member]", "terseLabel": "2016 Share Repurchase Program [Member]" } } }, "localname": "A2016ShareRepurchaseProgramMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "domainItemType" }, "spr_A2017ShareRepurchaseProgramMemberMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2017 Share Repurchase Program [Member] [Member]", "label": "2017 Share Repurchase Program [Member] [Member]", "terseLabel": "2017 Share Repurchase Program [Member] [Member]" } } }, "localname": "A2017ShareRepurchaseProgramMemberMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "domainItemType" }, "spr_A2018AmendedRestatedCreditAgreementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 Amended Restated Credit Agreement [Member]", "label": "2018 Amended Restated Credit Agreement [Member]", "terseLabel": "2018 Amended Restated Credit Agreement [Member]" } } }, "localname": "A2018AmendedRestatedCreditAgreementMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_A2018Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 [Member]", "label": "2018 [Member]", "terseLabel": "2018 [Member]" } } }, "localname": "A2018Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2018Revolver2018TermLoanDelayedTermLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member]", "label": "2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member]", "terseLabel": "2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member]" } } }, "localname": "A2018Revolver2018TermLoanDelayedTermLoanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_A2018RevolverMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 Revolver [Member]", "label": "2018 Revolver [Member]", "terseLabel": "2018 Revolver [Member]" } } }, "localname": "A2018RevolverMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_A2018TermLoanAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 Term Loan A [Member]", "label": "2018 Term Loan A [Member]", "terseLabel": "2018 Term Loan A [Member]" } } }, "localname": "A2018TermLoanAMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_A2019Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2019 [Member]", "label": "2019 [Member]", "terseLabel": "2019 [Member]" } } }, "localname": "A2019Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2020DebtAmendmentTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2020 Debt Amendment", "label": "2020 Debt Amendment [Table Text Block]", "terseLabel": "2020 Debt Amendment" } } }, "localname": "A2020DebtAmendmentTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "spr_A2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2020 [Member]", "label": "2020 [Member]", "terseLabel": "2020 [Member]" } } }, "localname": "A2020Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_A2021BondswapMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2021 Bond swap [Member]", "label": "2021 Bond swap [Member]", "terseLabel": "2021 Bond swap [Member]" } } }, "localname": "A2021BondswapMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_A2027Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2027 [Member]", "label": "2027 [Member]", "terseLabel": "2027 [Member]" } } }, "localname": "A2027Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2028Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2028 [Member]", "label": "2028 [Member]", "terseLabel": "2028 [Member]" } } }, "localname": "A2028Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2029Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2029 [Member]", "label": "2029 [Member]", "terseLabel": "2029 [Member]" } } }, "localname": "A2029Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2030Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2030 [Member]", "label": "2030 [Member]", "terseLabel": "2030 [Member]" } } }, "localname": "A2030Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2030MemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2030 [Member] [Domain]", "label": "2030 [Member] [Domain]", "terseLabel": "2026 [Member]" } } }, "localname": "A2030MemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2031Domain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2031 [Domain]", "label": "2031 [Domain]", "terseLabel": "2031 [Domain]" } } }, "localname": "A2031Domain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2031Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2031 [Member]", "label": "2031 [Member]", "terseLabel": "2031 [Member]" } } }, "localname": "A2031Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2032Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2032 [Member]", "label": "2032 [Member]", "terseLabel": "2032 [Member]" } } }, "localname": "A2032Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2033Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2033 [Member]", "label": "2033 [Member]", "terseLabel": "2033 [Member]" } } }, "localname": "A2033Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2034Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2034 [Member]", "label": "2034 [Member]", "terseLabel": "2034 [Member]" } } }, "localname": "A2034Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A2035Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2035 [Member]", "label": "2035 [Member]", "terseLabel": "2035 [Member]" } } }, "localname": "A2035Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_A350XWBRecurringFuselageMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A350 XWB Recurring Fuselage [Member]", "label": "A350 XWB Recurring Fuselage [Member]", "terseLabel": "A350 XWB Recurring Fuselage [Member]" } } }, "localname": "A350XWBRecurringFuselageMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_A350XWBrecurringprogramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A350 XWB recurring program [Member]", "label": "A350 XWB recurring program [Member]", "terseLabel": "A350 XWB recurring program [Member]" } } }, "localname": "A350XWBrecurringprogramMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_ASCOpurchaseprice": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "ASCO - purchase price", "label": "ASCO - purchase price", "terseLabel": "ASCO - purchase price" } } }, "localname": "ASCOpurchaseprice", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_AcceleratedVestingExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Accelerated vesting expense for participants meeting the conditions for \"Qualifying Retirement\"", "label": "Accelerated Vesting Expense", "terseLabel": "Accelerated Vesting Expense" } } }, "localname": "AcceleratedVestingExpense", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "spr_AccountsReceivableNetTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The disclosure for claims held for amounts due a company. Examples include trade accounts receivables net, notes receivables, loans receivables.", "label": "Accounts Receivable Net [Table Text Block]", "verboseLabel": "Accounts Receivable, Net" } } }, "localname": "AccountsReceivableNetTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetTables" ], "xbrltype": "textBlockItemType" }, "spr_AccretionOfCustomerSupplyAgreement": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accretion of amounts under customer supply agreement", "label": "Accretion Of Customer Supply Agreement", "negatedTerseLabel": "Accretion of customer supply agreement" } } }, "localname": "AccretionOfCustomerSupplyAgreement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_AccruedExpensesAndOtherLiabilitiesTableTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Accrued Expenses And Other Liabilities Table [Table Text Block]", "terseLabel": "Accrued Expenses and Other Liabilities" } } }, "localname": "AccruedExpensesAndOtherLiabilitiesTableTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationTables" ], "xbrltype": "textBlockItemType" }, "spr_AccruedExpensesotherLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Line Items] for Accrued Expenses other [Table]", "label": "Accrued Expenses other [Line Items]", "terseLabel": "Accrued Expenses other [Line Items]" } } }, "localname": "AccruedExpensesotherLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "spr_AccruedExpensesotherTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accrued Expenses other [Table]", "label": "Accrued Expenses other [Table]", "terseLabel": "Accrued Expenses other [Table]" } } }, "localname": "AccruedExpensesotherTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "spr_AccruedFederalIncomeTaxes": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 4.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy U.S. Federal tax obligations due beyond one year or the operating cycle, whichever is longer.", "label": "Accrued Federal Income Taxes", "verboseLabel": "Federal income taxes \u2014 non-current" } } }, "localname": "AccruedFederalIncomeTaxes", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_AccruedWagesAndBonuses": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 1.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date for employees' services provided and of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.", "label": "Accrued Wages And Bonuses", "terseLabel": "Accrued wages and bonuses" } } }, "localname": "AccruedWagesAndBonuses", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_AccumulatedInterestRateSwapsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accumulated Interest Rate Swaps [Member]", "label": "Accumulated Interest Rate Swaps [Member]", "terseLabel": "Accumulated Interest Rate Swaps" } } }, "localname": "AccumulatedInterestRateSwapsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "domainItemType" }, "spr_AccumulatedNetFxGainLossOnLtIntercoLoanUnrealizedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accumulated Net FX Gain Loss on LT Interco Loan Unrealized Member", "label": "Accumulated Net FX Gain Loss on LT Interco Loan Unrealized [Member]", "terseLabel": "Foreign Currency Impact On Long Term Intercompany Loan [Member]" } } }, "localname": "AccumulatedNetFxGainLossOnLtIntercoLoanUnrealizedMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "domainItemType" }, "spr_AccumulatedSerpAndRetireeMedicalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accumulated SERP And Retiree Medical Member", "label": "Accumulated SERP And Retiree Medical [Member]", "terseLabel": "Accumulated SERP And Retiree Medical [Member]" } } }, "localname": "AccumulatedSerpAndRetireeMedicalMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "domainItemType" }, "spr_AcquisitionAbstractAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Acquisition [Abstract] [Abstract]", "label": "Acquisition [Abstract] [Abstract]" } } }, "localname": "AcquisitionAbstractAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_AdvancePaymentsAndDeferredRevenueCredits": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Advanced payments are those amounts paid by third parties in contemplation of future performance of services, receipt of goods, incurrence of expense, or for other assets provided by Spirit, and are refundable if such obligation is not satisfied. Deferred revenue/credits generally consists of nonrefundable amounts received in advance of revenue being earned for specific contractual deliveries.", "label": "Advance Payments And Deferred Revenue Credits", "verboseLabel": "Advance Payments And Deferred Revenue Credits" } } }, "localname": "AdvancePaymentsAndDeferredRevenueCredits", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "monetaryItemType" }, "spr_AdvancePaymentsAndDeferredRevenueCreditsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure of advance payments and deferred revenue credits", "label": "Advance Payments And Deferred Revenue Credits [Abstract]" } } }, "localname": "AdvancePaymentsAndDeferredRevenueCreditsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_AdvancePaymentsAndDeferredRevenueCreditsDetailsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The detailed disclosure of advance payments and deferred revenue credits", "label": "Advance Payments And Deferred Revenue Credits Details [Abstract]" } } }, "localname": "AdvancePaymentsAndDeferredRevenueCreditsDetailsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_AdvancePaymentsAndDeferredRevenueCreditsSummarizedTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "he disclosure of advance payments and deferred revenue credits summarized", "label": "Advance Payments And Deferred Revenue Credits Summarized [Table Text Block]", "verboseLabel": "Advance Payments And Deferred Revenue Credits Summarized" } } }, "localname": "AdvancePaymentsAndDeferredRevenueCreditsSummarizedTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsTables" ], "xbrltype": "textBlockItemType" }, "spr_AdvancePaymentsAndDeferredRevenueCreditsTablesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The tabular disclosure of advance payments and deferred revenue credits", "label": "Advance Payments And Deferred Revenue Credits Tables [Abstract]" } } }, "localname": "AdvancePaymentsAndDeferredRevenueCreditsTablesAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_AdvancePaymentsAndDeferredRevenueCreditsTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The disclosure of advance payments and deferred revenue credits", "label": "Advance Payments And Deferred Revenue Credits [Text Block]", "verboseLabel": "Advance Payments And Deferred Revenue/Credits" } } }, "localname": "AdvancePaymentsAndDeferredRevenueCreditsTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCredits" ], "xbrltype": "textBlockItemType" }, "spr_AffiliatesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Affiliates [Abstract]" } } }, "localname": "AffiliatesAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "spr_AffiliatesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Affiliates [Line Items]", "terseLabel": "Affiliates [Line Items]" } } }, "localname": "AffiliatesLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "spr_Airbus350XWBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Airbus350 XWB [Member]", "label": "Airbus350 XWB [Member]", "terseLabel": "Airbus350 XWB [Member]" } } }, "localname": "Airbus350XWBMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_Airbus350XwbNonRecurringMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Airbus350 XWB non-recurring [Member]", "verboseLabel": "A350 XWB non-recurring [Member]" } } }, "localname": "Airbus350XwbNonRecurringMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_AirbusAdvancePaymentsMadeUnderAgreement": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Advances paid during the period under a memorandum of understanding signed between Spirit and Airbus related to teh A350 XWB program", "label": "Airbus Advance Payments Made Under Agreement", "terseLabel": "Airbus Advance Payments Made Under Agreement" } } }, "localname": "AirbusAdvancePaymentsMadeUnderAgreement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "monetaryItemType" }, "spr_AirbusMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Airbus [Member]", "terseLabel": "Airbus [Member]" } } }, "localname": "AirbusMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_AirbusThreeHundredFiftyXwbMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Airbus Three Hundred Fifty XWB [Member]", "terseLabel": "Airbus Three Hundred Fifty XWB [Member]", "verboseLabel": "A350 XWB [Member]" } } }, "localname": "AirbusThreeHundredFiftyXwbMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails", "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_AllegedamountofUAWarbitrationliabilitypaidbyBoeing": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Alleged amount of UAW arbitration liability paid by Boeing", "label": "Alleged amount of UAW arbitration liability paid by Boeing", "terseLabel": "Alleged amount of UAW arbitration liability paid by Boeing" } } }, "localname": "AllegedamountofUAWarbitrationliabilitypaidbyBoeing", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "spr_AllowanceForWarrantiesAndExtraordinaryReworkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Allowance For Warranties And Extraordinary Rework [Member]", "terseLabel": "Allowance For Warranties And Extraordinary Rework [Member]" } } }, "localname": "AllowanceForWarrantiesAndExtraordinaryReworkMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "domainItemType" }, "spr_AmendedandRestatedCreditAgreementDue2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amended and Restated Credit Agreement Due 2021 [Member]", "label": "Amended and Restated Credit Agreement Due 2021 [Member]", "terseLabel": "Amended and Restated Credit Agreement Due 2021 [Member]" } } }, "localname": "AmendedandRestatedCreditAgreementDue2021Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_AmendmentAdditiontoApplicableBorrowingRateforRevolverandLetterofCredit": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amendment Addition to Applicable Borrowing Rate for Revolver and Letter of Credit", "label": "Amendment Addition to Applicable Borrowing Rate for Revolver and Letter of Credit", "terseLabel": "Amendment Addition to Applicable Borrowing Rate for Revolver and Letter of Credit" } } }, "localname": "AmendmentAdditiontoApplicableBorrowingRateforRevolverandLetterofCredit", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_AmendmentFiveTermLoanDue2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amendment Five Term Loan Due 2020 [Member]", "label": "Amendment Five Term Loan Due 2020 [Member]", "terseLabel": "Amendment Five Term Loan Due 2020 [Member]" } } }, "localname": "AmendmentFiveTermLoanDue2020Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_AmendmentThreeTermLoanDueTwentyTwentyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "AmendmentThreeTermLoanDueTwentyTwenty [Member]", "label": "AmendmentThreeTermLoanDueTwentyTwenty [Member]", "terseLabel": "AmendmentThreeTermLoanDueTwentyTwenty [Member]" } } }, "localname": "AmendmentThreeTermLoanDueTwentyTwentyMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_AmortizationOfAdvancesPerShipSet": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amount of advance amortized per ship set delivered under an agreement with the customer.", "label": "Amortization Of Advances Per Ship Set", "terseLabel": "Amortization Of Advances Per Ship Set (dollars per ship set)" } } }, "localname": "AmortizationOfAdvancesPerShipSet", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "perUnitItemType" }, "spr_Amortizationofdeferredgrantliability": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "amortization of deferred grant liability", "label": "amortization of deferred grant liability", "terseLabel": "amortization of deferred grant liability" } } }, "localname": "Amortizationofdeferredgrantliability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails" ], "xbrltype": "monetaryItemType" }, "spr_AmortizedCostAndApproximateFairValueOfHeldToMaturitySecuritiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amortized Cost And Approximate Fair Value Of Held To Maturity Securities", "label": "Amortized Cost And Approximate Fair Value Of Held To Maturity Securities [Abstract]", "verboseLabel": "Amortized Cost And Approximate Fair Value Of Held To Maturity Securities [Abstract]" } } }, "localname": "AmortizedCostAndApproximateFairValueOfHeldToMaturitySecuritiesAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "stringItemType" }, "spr_AmortizedCostAndApproximateFairValueOfHeldToMaturitySecuritiesTableTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Table disclosure of Amortized Cost And Approximate Fair Value Of Held To Maturity Securities", "label": "Amortized Cost And Approximate Fair Value Of Held To Maturity Securities Table [Table Text Block]", "verboseLabel": "Amortized Cost And Approximate Fair Value Of Held To Maturity Securities" } } }, "localname": "AmortizedCostAndApproximateFairValueOfHeldToMaturitySecuritiesTableTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsTables" ], "xbrltype": "textBlockItemType" }, "spr_AmountOfCustomerReceivableReservedDueToCustomerBankruptcy": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount Of Customer Receivable Reserved Due To Customer Bankruptcy - Hawker Beechcraft", "label": "Amount Of Customer Receivable Reserved Due To Customer Bankruptcy", "terseLabel": "Amount Of Customer Receivable Reserved Due To Customer Bankruptcy" } } }, "localname": "AmountOfCustomerReceivableReservedDueToCustomerBankruptcy", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "spr_AnnualExpenseAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Annual Expense [Axis]", "terseLabel": "Annual Expense [Axis]" } } }, "localname": "AnnualExpenseAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "stringItemType" }, "spr_AnnualExpenseMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Annual Expense [Member]", "terseLabel": "Annual Expense [Member]" } } }, "localname": "AnnualExpenseMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "domainItemType" }, "spr_AnnualExpenseMemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Annual Expense Member [Domain]", "terseLabel": "Annual Expense Member [Domain]" } } }, "localname": "AnnualExpenseMemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "domainItemType" }, "spr_AscoAcquisitionSGAExpenses": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Asco Acquisition - SG&A Expenses", "label": "Asco Acquisition - SG&A Expenses", "terseLabel": "Asco Acquisition - SG&A Expenses" } } }, "localname": "AscoAcquisitionSGAExpenses", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_AscoAcquisitionTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Asco Acquisition", "label": "Asco Acquisition [Text Block]", "terseLabel": "Asco Acquisition [Text Block]" } } }, "localname": "AscoAcquisitionTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "spr_AssetRelatedToDeferredGrantIncomeBeginningBalance": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost.", "label": "Asset Related To Deferred Grant Income Beginning Balance", "periodEndLabel": "Asset related to deferred grant income, Ending Balance", "periodStartLabel": "Asset related to deferred grant income, Beginning Balance" } } }, "localname": "AssetRelatedToDeferredGrantIncomeBeginningBalance", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails1" ], "xbrltype": "monetaryItemType" }, "spr_AssetRelatedToDeferredGrantIncomeNetRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Detail disclosure for Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost.", "label": "Asset Related To Deferred Grant Income Net [Roll Forward]", "verboseLabel": "Asset Related To Deferred Grant Income Net [Roll Forward]" } } }, "localname": "AssetRelatedToDeferredGrantIncomeNetRollForward", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails1" ], "xbrltype": "stringItemType" }, "spr_AssetRelatedToDeferredGrantIncomeNetTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost.", "label": "Asset Related To Deferred Grant Income Net [Table Text Block]", "verboseLabel": "Asset Related To Deferred Grant Income, Net" } } }, "localname": "AssetRelatedToDeferredGrantIncomeNetTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsTables" ], "xbrltype": "textBlockItemType" }, "spr_AttorneysfeessoughtbyBoeingrelatedtoUAWarbitration": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Attorneys fees sought by Boeing related to UAW arbitration", "label": "Attorneys fees sought by Boeing related to UAW arbitration", "terseLabel": "Attorneys fees sought by Boeing related to UAW arbitration" } } }, "localname": "AttorneysfeessoughtbyBoeingrelatedtoUAWarbitration", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "spr_B7478Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "B747-8 [Member]", "terseLabel": "B747-8 [Member]" } } }, "localname": "B7478Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_B878Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "B878 [Member]", "label": "B878 [Member]", "terseLabel": "B878 [Member]" } } }, "localname": "B878Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "domainItemType" }, "spr_BBDAcquisitionSGAExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "BBD Acquisition- SG&A Expense", "label": "BBD Acquisition- SG&A Expense", "terseLabel": "BBD Acquisition- SG&A Expense" } } }, "localname": "BBDAcquisitionSGAExpense", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_BBDAcquisitionSGAExpenses": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "BBD Acquisition - SG&A Expenses", "label": "BBD Acquisition - SG&A Expenses", "terseLabel": "Asco Acquisition - SG&A Expenses" } } }, "localname": "BBDAcquisitionSGAExpenses", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_BBDAcquisitionTextBlockTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "BBD Acquisition [Text Block] [Table Text Block]", "label": "BBD Acquisition [Text Block] [Table Text Block]", "terseLabel": "BBD Acquisition [Text Block] [Table Text Block]" } } }, "localname": "BBDAcquisitionTextBlockTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "spr_BBDpurchaseprice": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "BBD - purchase price", "label": "BBD - purchase price", "terseLabel": "BBD - purchase price" } } }, "localname": "BBDpurchaseprice", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_Backlogmonetaryvalue": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Monetary value of backlog", "label": "Backlog monetary value", "terseLabel": "Backlog monetary value" } } }, "localname": "Backlogmonetaryvalue", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "spr_BalancepriortoAdoptionofASU201707Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Balance prior to Adoption of ASU 2017-07 [Member]", "label": "Balance prior to Adoption of ASU 2017-07 [Member]", "terseLabel": "Balance prior to Adoption of ASU 2017-07 [Member]" } } }, "localname": "BalancepriortoAdoptionofASU201707Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "domainItemType" }, "spr_BellV280Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bell V280 [Member]", "label": "Bell V280 [Member]", "terseLabel": "Bell V280 [Member]" } } }, "localname": "BellV280Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_BlockAndOrderDetailAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Block And Order Detail [Abstract]", "terseLabel": "Block And Order Detail [Abstract]" } } }, "localname": "BlockAndOrderDetailAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "stringItemType" }, "spr_BlockAndOrdersTableTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Block And Orders Table", "label": "Block And Orders Table [Table Text Block]", "terseLabel": "Block And Orders Table" } } }, "localname": "BlockAndOrdersTableTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryTables" ], "xbrltype": "textBlockItemType" }, "spr_BoeingSustainingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Boeing Sustaining [Member]", "verboseLabel": "Business/Regional Jets [Member]" } } }, "localname": "BoeingSustainingMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "domainItemType" }, "spr_BoeingallotherplatformsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boeing - all other platforms other than B787 [Member]", "label": "Boeing - all other platforms [Member]", "terseLabel": "Boeing - all other platforms [Member]" } } }, "localname": "BoeingallotherplatformsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_BoeingallprogramsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boeing - all programs", "label": "Boeing - all programs [Member]", "terseLabel": "Boeing - all programs [Member]" } } }, "localname": "BoeingallprogramsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_BusinessSegmentOperatingIncome": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income or loss for the reportable segment before unusual Items, equity method income or loss, income taxes, and extraordinary items.", "label": "Business Segment Operating Income", "terseLabel": "Business Segment Operating Income" } } }, "localname": "BusinessSegmentOperatingIncome", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_CapitalCommitments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate capital commitments for the period", "label": "Capital Commitments", "terseLabel": "Capital Commitments" } } }, "localname": "CapitalCommitments", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "spr_CapitalLeasesDomainDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Capital Leases Domain [Domain]", "label": "Capital Leases Domain [Domain]", "terseLabel": "Capital Leases Domain [Domain]" } } }, "localname": "CapitalLeasesDomainDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "domainItemType" }, "spr_CapitalLeasesFutureMinimumPaymentsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Capital Leases Future Minimum Payments [Axis]", "terseLabel": "Capital Leases Future Minimum Payments [Axis]" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "spr_CapitalLeasesFutureMinimumPaymentsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Capital Leases Future Minimum Payments [Table]", "terseLabel": "Capital Leases Future Minimum Payments [Table]" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "spr_CapitalLeasetermNashville": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Capital Lease term - Nashville", "label": "Capital Lease term - Nashville", "terseLabel": "Capital Lease term - Nashville" } } }, "localname": "CapitalLeasetermNashville", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "durationItemType" }, "spr_CapitalStockTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Capital Stock [Text Block]", "label": "Capital Stock [Text Block]", "terseLabel": "Capital Stock" } } }, "localname": "CapitalStockTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStock" ], "xbrltype": "textBlockItemType" }, "spr_CapitalizationPolicyServiceLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Capitalization Policy, Service Life", "label": "Capitalization Policy, Service Life", "terseLabel": "Capitalization Policy, Service Life" } } }, "localname": "CapitalizationPolicyServiceLife", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "durationItemType" }, "spr_CapitalizationPolicySoftwareAcquisitionCost": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Capitalization Policy, Software, Acquisition Cost", "label": "Capitalization Policy, Software, Acquisition Cost", "terseLabel": "Capitalization Policy, Software, Acquisition Cost" } } }, "localname": "CapitalizationPolicySoftwareAcquisitionCost", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_CapitalizedCostsDeferredProductionInventory": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Addition to deferred production in period.", "label": "Capitalized Costs Deferred Production Inventory", "verboseLabel": "Capitalized costs" } } }, "localname": "CapitalizedCostsDeferredProductionInventory", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails3" ], "xbrltype": "monetaryItemType" }, "spr_CapitalizedPreProductionIncludedInInventoryTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Capitalized Pre Production Included In Inventory", "label": "Capitalized Pre Production Included In Inventory [Table Text Block]", "verboseLabel": "Capitalized Pre Production Included In Inventory Roll Forward" } } }, "localname": "CapitalizedPreProductionIncludedInInventoryTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryTables" ], "xbrltype": "textBlockItemType" }, "spr_CarryingAmountAndEstimatedFairValueOfLongTermDebtTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Carrying Amount And Estimated Fair Value Of Long Term Debt", "label": "Carrying Amount And Estimated Fair Value Of Long Term Debt [Table Text Block]", "verboseLabel": "Carrying Amount And Estimated Fair Value Of Long Term Debt" } } }, "localname": "CarryingAmountAndEstimatedFairValueOfLongTermDebtTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsTables" ], "xbrltype": "textBlockItemType" }, "spr_CarryingValueTermLoan": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying Value Term Loan", "label": "Carrying Value Term Loan", "terseLabel": "Carrying Value Term Loan" } } }, "localname": "CarryingValueTermLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_ChangeInAccountingEstimateaggregateaffectingearningsfromcontinuingoperations": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Change In Accounting Estimate, aggregate, affecting earnings from continuing operations", "label": "Change In Accounting Estimate, aggregate, affecting earnings from continuing operations", "terseLabel": "Change In Accounting Estimate, aggregate, affecting earnings from continuing operations" } } }, "localname": "ChangeInAccountingEstimateaggregateaffectingearningsfromcontinuingoperations", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "monetaryItemType" }, "spr_ChangeInEstimateAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Change In Estimate [Abstract]" } } }, "localname": "ChangeInEstimateAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_ChangeInEstimateLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Change In Estimate [Line Items]", "terseLabel": "Change In Estimate [Line Items]" } } }, "localname": "ChangeInEstimateLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "stringItemType" }, "spr_ChangeInEstimateTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Change In Estimate [Table]", "terseLabel": "Change In Estimate [Table]" } } }, "localname": "ChangeInEstimateTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "stringItemType" }, "spr_ChangeInEstimateToIncreaseWarrantyAndExtraordinaryReworkReserveIncludedInUnallocatedCostOfSale": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Change in estimate to increase warranty and extraordinary rework reserve included in unallocated cost of sales", "label": "Change In Estimate To Increase Warranty And Extraordinary Rework Reserve Included In Unallocated Cost Of Sale", "verboseLabel": "Change In Estimate To Increase Warranty And Extraordinary Rework Reserve Included In Unallocated Cost Of Sale" } } }, "localname": "ChangeInEstimateToIncreaseWarrantyAndExtraordinaryReworkReserveIncludedInUnallocatedCostOfSale", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_ChangeinAccountingEstimateContractAccounting": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Change in Estimate - Contract Accounting: when adjustments in estimated total contract block revenue or estimated total cost are required, any changes from prior estimates for delivered units are recognized in the current period as a cumulative catch-up adjustment for the inception-to-date effect of such changes. Cumulative catch-up adjustments are driven by several factors including improved production efficiencies, assumed rate of production, the rate of overhead absorption, changes to scope of work and contract modifications. When estimates of total costs to be incurred on a contract block exceed estimates of total revenue to be earned, a provision for the entire loss on the contract block is recorded in the period in which the loss is determined.", "label": "Change in Accounting Estimate - Contract Accounting", "terseLabel": "Change in Accounting Estimate - Contract Accounting" } } }, "localname": "ChangeinAccountingEstimateContractAccounting", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ChangeinEstimateonLossProgram": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Change in Estimate on Loss Program", "label": "Change in Estimate on Loss Program", "terseLabel": "Change in Estimate on Loss Program" } } }, "localname": "ChangeinEstimateonLossProgram", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ChangeinEstimateonLossProgramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Change in Estimate on Loss Program [Member] - change in accounting estimate on a forward loss program", "label": "Change in Estimate on Loss Program [Member]", "terseLabel": "Change in Estimate on Loss Program [Member]" } } }, "localname": "ChangeinEstimateonLossProgramMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_Changeincontractasset": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "change in contract asset", "label": "change in contract asset", "terseLabel": "change in contract asset" } } }, "localname": "Changeincontractasset", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "spr_Changeincontractliability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "change in contract liability", "label": "change in contract liability", "terseLabel": "change in contract liability" } } }, "localname": "Changeincontractliability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "spr_Changeinnetcontractassetliability": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "change in net contract asset (liability)", "label": "change in net contract asset (liability)", "terseLabel": "change in net contract asset" } } }, "localname": "Changeinnetcontractassetliability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "spr_ChangesinContractEstimatesaggregateAffectingearningsfromContinuingOperationsperSharediluted": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Changes in Accounting Estimates - Contract Accounting, aggregate, Affecting earnings from Continuing Operations, per Share diluted", "label": "Changes in Contract Estimates, aggregate, Affecting earnings from Continuing Operations, per Share diluted", "terseLabel": "Changes in Accounting Estimates - Contract Accounting, aggregate, Affecting earnings from Continuing Operations, per Share diluted" } } }, "localname": "ChangesinContractEstimatesaggregateAffectingearningsfromContinuingOperationsperSharediluted", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "perShareItemType" }, "spr_ChangesinEstimatesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Changes in Estimates [Abstract]", "label": "Changes in Estimates [Abstract]" } } }, "localname": "ChangesinEstimatesAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_ChargesToCostsAndExpensesDeferredProductionInventory": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Relief of deferred production inventory in the period.", "label": "Charges To Costs And Expenses Deferred Production Inventory", "negatedLabel": "Charges to costs and expenses" } } }, "localname": "ChargesToCostsAndExpensesDeferredProductionInventory", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails3" ], "xbrltype": "monetaryItemType" }, "spr_CollectiveInvestmentTrustsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Collective Investment Trusts [Member]", "terseLabel": "Collective Investment Trusts [Member]" } } }, "localname": "CollectiveInvestmentTrustsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "spr_CommingledEquityBondFundsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Commingled Equity Bond Funds [Member]", "terseLabel": "Commingled Equity Bond Funds [Member]" } } }, "localname": "CommingledEquityBondFundsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "spr_CommitmentsContingenciesAndGuaranteesTextualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Commitments Contingencies And Guarantees Textuals [Abstract]", "verboseLabel": "Commitments Contingencies And Guarantees Textuals [Abstract]" } } }, "localname": "CommitmentsContingenciesAndGuaranteesTextualsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "stringItemType" }, "spr_CommonStockVotingRightsPerShare": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Common Stock, Voting Rights Per Share", "label": "Common Stock, Voting Rights Per Share", "terseLabel": "Vote Per Share" } } }, "localname": "CommonStockVotingRightsPerShare", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails" ], "xbrltype": "integerItemType" }, "spr_Commonstockshareseliminated": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of Class B Common shares which were previously authorized but eliminated via shareholder approval to eliminated Class B commons shares", "label": "Common stock, shares eliminated", "terseLabel": "Common stock, shares eliminated" } } }, "localname": "Commonstockshareseliminated", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "spr_CompanyOneMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Company One [Member]", "verboseLabel": "Boeing [Member]" } } }, "localname": "CompanyOneMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_ComplianceAssuranceProcessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Compliance Assurance Process [Member]", "terseLabel": "Compliance Assurance Process [Member]" } } }, "localname": "ComplianceAssuranceProcessMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_ConcentrationTypeMemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Concentration Type Member [Domain]", "terseLabel": "Concentration Type Member [Domain]" } } }, "localname": "ConcentrationTypeMemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_ConcentrationtypeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "ConcentrationType [Axis]", "terseLabel": "ConcentrationType [Axis]" } } }, "localname": "ConcentrationtypeAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "spr_ConsentPaymentonNotes": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Consent Payment on Notes", "label": "Consent Payment on Notes", "terseLabel": "Consent Payment on Notes" } } }, "localname": "ConsentPaymentonNotes", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_Considerationreceivedfromavendor": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash consideration received from a vendor to a customer", "label": "Consideration received from a vendor", "terseLabel": "Consideration received from a vendor" } } }, "localname": "Considerationreceivedfromavendor", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_ContingenciesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Contingencies [Line Items]", "terseLabel": "Contingencies [Line Items]" } } }, "localname": "ContingenciesLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "stringItemType" }, "spr_ContractBlockDeliveries": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Deliveries recorded for current accounting contract block.", "label": "Contract Block Deliveries", "terseLabel": "Contract Block Deliveries" } } }, "localname": "ContractBlockDeliveries", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "decimalItemType" }, "spr_ContractBlockDeliveriesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Contract Block Deliveries [Table Text Block]", "terseLabel": "Contract Block Deliveries" } } }, "localname": "ContractBlockDeliveriesTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryTables" ], "xbrltype": "textBlockItemType" }, "spr_ContractBlockQuantity": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Original quantity of the current accounting contract block", "label": "Contract Block Quantity", "terseLabel": "Contract Block Quantity" } } }, "localname": "ContractBlockQuantity", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "decimalItemType" }, "spr_ContractLiability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Liability created by losses taken on a program in excess of inventory. This amount will be amortized into the forward loss catagory of inventory as inventory on the program increases.", "label": "Contract Liability", "terseLabel": "Contract Liability" } } }, "localname": "ContractLiability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1", "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "monetaryItemType" }, "spr_Contractlaboremployees": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "contract labor employees", "label": "contract labor employees", "terseLabel": "contract labor employees" } } }, "localname": "Contractlaboremployees", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "spr_ContractswithCustomersNetContractAssetLiability": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Contracts with Customers, Net Contract Asset (Liability)", "label": "Contracts with Customers, Net Contract Asset (Liability)", "terseLabel": "Contracts with Customers, Net Contract Asset (Liability)" } } }, "localname": "ContractswithCustomersNetContractAssetLiability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "spr_ContractwithcustomerassetandliabilityTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "contract with customer, asset and liability [Text Block]", "label": "contract with customer, asset and liability [Text Block]", "terseLabel": "contract with customer, asset and liability [Text Block]" } } }, "localname": "ContractwithcustomerassetandliabilityTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityNotes" ], "xbrltype": "textBlockItemType" }, "spr_CostsIncurredinAnticipationofContracts": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Costs Incurred in Anticipation of Contracts", "label": "Costs Incurred in Anticipation of Contracts", "terseLabel": "Costs Incurred in Anticipation of Contracts" } } }, "localname": "CostsIncurredinAnticipationofContracts", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2" ], "xbrltype": "monetaryItemType" }, "spr_CountryDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Country [Domain]", "terseLabel": "Country [Domain]" } } }, "localname": "CountryDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "domainItemType" }, "spr_CovenantRatioTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Covenant ratio table", "label": "Covenant Ratio [Table Text Block]", "terseLabel": "Covenant Ratio" } } }, "localname": "CovenantRatioTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "spr_CreditAgreementAmendedInterestMargin": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Credit Agreement Amended Interest Margin Eurodollar", "label": "Credit Agreement Amended Interest Margin", "terseLabel": "Credit Agreement Amended Interest Margin" } } }, "localname": "CreditAgreementAmendedInterestMargin", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_CreditAgreementAmendmentAmendedInterestMarginBaseRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Credit Agreement Amendment Amended Interest Margin Base Rate", "label": "Credit Agreement Amendment Amended Interest Margin Base Rate", "terseLabel": "Credit Agreement Amendment Amended Interest Margin Base Rate" } } }, "localname": "CreditAgreementAmendmentAmendedInterestMarginBaseRate", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_CreditAgreementAmendmentMinimumLiquidityRequirement": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Credit Agreement Amendment Minimum Liquidity Requirement", "label": "Credit Agreement Amendment Minimum Liquidity Requirement", "terseLabel": "Credit Agreement Amendment Minimum Liquidity Requirement" } } }, "localname": "CreditAgreementAmendmentMinimumLiquidityRequirement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_CreditAgreementLiborRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Credit agreement Libor rate", "label": "Credit Agreement Libor Rate", "terseLabel": "Credit Agreement Libor Rate" } } }, "localname": "CreditAgreementLiborRate", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "integerItemType" }, "spr_CreditAgreementMarginonLIBOR": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Credit Agreement Margin on LIBOR", "label": "Credit Agreement Margin on LIBOR", "terseLabel": "Credit Agreement Margin on LIBOR" } } }, "localname": "CreditAgreementMarginonLIBOR", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "pureItemType" }, "spr_CumulativeCatchUpAdjustment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Effect on operating income due to change in accounting estimate", "label": "Cumulative Catch Up Adjustment", "terseLabel": "Cumulative Catch Up Adjustment" } } }, "localname": "CumulativeCatchUpAdjustment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_CumulativeForwardLossChargesNetofContractLiabilitiesOpenBlocks": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cumulative Forward Loss Charges, Net of Contract Liabilities, Open Blocks", "label": "Cumulative Forward Loss Charges, Net of Contract Liabilities, Open Blocks", "terseLabel": "Cumulative Forward Loss Charges, Net of Contract Liabilities, Open Blocks" } } }, "localname": "CumulativeForwardLossChargesNetofContractLiabilitiesOpenBlocks", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "spr_CumulativecatchupadjustmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cumulative catch-up adjustment [Member] - effect on income due to change in accounting estimate", "label": "Cumulative catch-up adjustment [Member]", "terseLabel": "Cumulative catch-up adjustment [Member]" } } }, "localname": "CumulativecatchupadjustmentMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_CumulativepositiveU.S.profitsadjustedforpermanenttaxitems": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cumulative positive U.S. profits, adjusted for permanent tax items", "label": "Cumulative positive U.S. profits, adjusted for permanent tax items", "terseLabel": "Cumulative positive U.S. profits, adjusted for permanent tax items" } } }, "localname": "CumulativepositiveU.S.profitsadjustedforpermanenttaxitems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "spr_CurrentandformerSpiritEmployeesputative": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Current and former Spirit Employees, putative", "label": "Current and former Spirit Employees, putative", "terseLabel": "Current and former Spirit Employees, putative" } } }, "localname": "CurrentandformerSpiritEmployeesputative", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "integerItemType" }, "spr_CustomerCostRecovery": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 2.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of customer cost recovery.", "label": "Customer Cost Recovery", "terseLabel": "Customer cost recovery" } } }, "localname": "CustomerCostRecovery", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_CustomerRelationshipMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Customer Relationship [Member]", "label": "Customer Relationship [Member]", "terseLabel": "Customer Relationship [Member]" } } }, "localname": "CustomerRelationshipMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_CustomerSupplyAgreement": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 4.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Customer supply agreement", "label": "Customer Supply Agreement", "verboseLabel": "Supply agreement(1)" } } }, "localname": "CustomerSupplyAgreement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "spr_CustomerWithheldPaymentsPendingCompletionofRetrofitWork": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Customer Withheld Payments, Pending Completion of Retrofit Work", "label": "Customer Withheld Payments, Pending Completion of Retrofit Work", "terseLabel": "Customer Withheld Payments, Pending Completion Of Work" } } }, "localname": "CustomerWithheldPaymentsPendingCompletionofRetrofitWork", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "spr_CustomeradvancereclassificationtoLT": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "customer advance reclassification to LT", "label": "customer advance reclassification to LT", "terseLabel": "customer advance reclassification to LT" } } }, "localname": "CustomeradvancereclassificationtoLT", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "monetaryItemType" }, "spr_Customeradvances": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Customer advances", "label": "Customer advances", "terseLabel": "Customer advances" } } }, "localname": "Customeradvances", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "monetaryItemType" }, "spr_Customercostrecoverycurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "carrying value as of the balance sheet date of customer cost recovery - short term", "label": "customer cost recovery - current", "terseLabel": "customer cost recovery - current" } } }, "localname": "Customercostrecoverycurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_DebtInstrumentRepurchasedFaceAmountIncludingInterest": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Repurchased Face Amount Including Interest", "label": "Debt Instrument, Repurchased Face Amount Including Interest", "terseLabel": "Debt Instrument, Repurchased Face Amount Including Interest" } } }, "localname": "DebtInstrumentRepurchasedFaceAmountIncludingInterest", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_DeferredFinanceChargeForDebtExtinguishment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The deferred finance charge directly pertaining to an early extinguishment of debt.", "label": "Deferred Finance Charge For Debt Extinguishment", "terseLabel": "Deferred Finance Charge For Debt Extinguishment" } } }, "localname": "DeferredFinanceChargeForDebtExtinguishment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/OtherAssetsDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "spr_DeferredGainSevereWeatherEvent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to severe weather event insurance gains related items which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken.", "label": "Deferred Gain Severe Weather Event", "negatedTerseLabel": "Deferred gain \u2014 severe weather event" } } }, "localname": "DeferredGainSevereWeatherEvent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_DeferredGrantIncomeAmortizationPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Deferred grant income amortization period.", "label": "Deferred Grant Income Amortization Period", "verboseLabel": "Deferred Grant Income Amortization Period" } } }, "localname": "DeferredGrantIncomeAmortizationPeriod", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetailsTextuals" ], "xbrltype": "durationStringItemType" }, "spr_DeferredGrantIncomeLiability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Liability associated with eligible amounts of capital spending under the terms of the grants that will be amortized as a component of production cost to offset depreciation of the completed asset. The deferred grant income liability is net of the present value of any future minimum lease payments.", "label": "Deferred Grant Income Liability", "periodEndLabel": "Deferred grant income liability, Ending Balance", "periodStartLabel": "Deferred grant income liability, Beginning Balance" } } }, "localname": "DeferredGrantIncomeLiability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails" ], "xbrltype": "monetaryItemType" }, "spr_DeferredGrantIncomeLiabilityCurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 10.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Deferred Grant Income Liability Current", "label": "Deferred Grant Income Liability Current", "verboseLabel": "Deferred grant income liability \u2014 current" } } }, "localname": "DeferredGrantIncomeLiabilityCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "spr_DeferredGrantIncomeLiabilityNetRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Deferred Grant Income Liability Net [Roll Forward]", "verboseLabel": "Deferred Grant Income Liability Net [Roll Forward]" } } }, "localname": "DeferredGrantIncomeLiabilityNetRollForward", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails" ], "xbrltype": "stringItemType" }, "spr_DeferredGrantIncomeLiabilityNetTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Deferred Grant Income Liability Net", "label": "Deferred Grant Income Liability Net [Table Text Block]", "verboseLabel": "Deferred Grant Income Liability, Net" } } }, "localname": "DeferredGrantIncomeLiabilityNetTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsTables" ], "xbrltype": "textBlockItemType" }, "spr_DeferredGrantIncomeLiabilityNoncurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 12.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Deferred Grant Income Liability Noncurrent", "label": "Deferred Grant Income Liability Noncurrent", "verboseLabel": "Deferred grant income liability \u2014 non-current" } } }, "localname": "DeferredGrantIncomeLiabilityNoncurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "spr_DeferredIncomeTaxExpenseBenefitIncludedInTaxProvision": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Income Tax Expense Benefit Included In Tax Provision", "label": "Deferred Income Tax Expense Benefit Included In Tax Provision", "totalLabel": "Total Deferred" } } }, "localname": "DeferredIncomeTaxExpenseBenefitIncludedInTaxProvision", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_DeferredProductionCosts": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails1": { "order": 4.0, "parentTag": "us-gaap_InventoryNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Excess-over-average cost that is reasonably expected to be fully offset by lower-than-average cost in future periods of a contract, included in inventory.", "label": "Deferred Production Costs", "periodEndLabel": "Deferred production costs, Ending Balance", "periodStartLabel": "Deferred production costs, Beginning Balance", "terseLabel": "Deferred production(3)" } } }, "localname": "DeferredProductionCosts", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1", "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails3" ], "xbrltype": "monetaryItemType" }, "spr_DeferredProductionInventoryRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Deferred Production Inventory [Roll Forward]", "verboseLabel": "Deferred Production Inventory [Roll Forward]" } } }, "localname": "DeferredProductionInventoryRollForward", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails3" ], "xbrltype": "stringItemType" }, "spr_DeferredProductionReclassifiedfromWorkInProcess": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Deferred Production, Reclassified from Work-In-Process", "label": "Deferred Production, Reclassified from Work-In-Process", "terseLabel": "Deferred Production, Reclassified from Work-In-Process" } } }, "localname": "DeferredProductionReclassifiedfromWorkInProcess", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "spr_DeferredTaxAssetValuationAllowancereleaseduetonormaloperations": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Tax Asset Valuation Allowance - release due to normal operations", "label": "Deferred Tax Asset Valuation Allowance - release due to normal operations", "terseLabel": "Deferred Tax Asset Valuation Allowance - release due to normal operations" } } }, "localname": "DeferredTaxAssetValuationAllowancereleaseduetonormaloperations", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "spr_DeferredTaxAssetsDeferredIncomeLongTermContracts": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to income recognized for long term contracts", "label": "Deferred Tax Assets Deferred Income Long Term Contracts", "verboseLabel": "Long-term contracts" } } }, "localname": "DeferredTaxAssetsDeferredIncomeLongTermContracts", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_DeferredTaxAssetsDeferredProduction": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 9.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to deferred production related items which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken", "label": "Deferred Tax Assets Deferred Production", "terseLabel": "Deferred production" } } }, "localname": "DeferredTaxAssetsDeferredProduction", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_Deferredtaxassetvaluationallowancereleasedduetodivestitureofprograms": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "reduction/release in valuation allowance due to divestiture of programs", "label": "deferred tax asset valuation allowance - released due to divestiture of programs", "terseLabel": "deferred tax asset valuation allowance - released due to divestiture of programs" } } }, "localname": "Deferredtaxassetvaluationallowancereleasedduetodivestitureofprograms", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_DefinedBenefitPlanCumulativeEmployerContributionsInExcessOfNetPeriodBenefitCost": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Defined Benefit Plan Cumulative Employer Contributions In Excess O fNet Period Benefit Cost", "label": "Defined Benefit Plan Cumulative Employer Contributions In Excess Of Net Period Benefit Cost", "verboseLabel": "Cumulative employer contributions in excess of net periodic benefit cost" } } }, "localname": "DefinedBenefitPlanCumulativeEmployerContributionsInExcessOfNetPeriodBenefitCost", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "spr_DefinedBenefitPlanNetAmountRecognizedInBalanceSheet": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Defined Benefit Plan Net Amount Recognized In The Balance Sheet", "label": "Defined Benefit Plan Net Amount Recognized In Balance Sheet", "verboseLabel": "Net amount recognized in the balance sheet" } } }, "localname": "DefinedBenefitPlanNetAmountRecognizedInBalanceSheet", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "spr_DefinedBenefitPlanRebatesFromUkGovernmentFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Defined Benefit Plan Rebates From UK Government Fair Value", "label": "Defined Benefit Plan Rebates From Uk Government Fair Value", "verboseLabel": "Expense paid" } } }, "localname": "DefinedBenefitPlanRebatesFromUkGovernmentFairValue", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "spr_DefinedBenefitPrepaidPensionCost": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Defined Benefit Prepaid Pension Cost", "label": "Defined Benefit Prepaid Pension Cost", "verboseLabel": "Prepaid pension cost" } } }, "localname": "DefinedBenefitPrepaidPensionCost", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "spr_DefinedContributionPlanDescription": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Defined Contribution Plan Description", "terseLabel": "Defined Contribution Plan Description" } } }, "localname": "DefinedContributionPlanDescription", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "spr_DefinedContributionTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Defined Contribution [Table]", "terseLabel": "Defined Contribution [Table]" } } }, "localname": "DefinedContributionTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "spr_DefinedContributionsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Defined Contributions [Axis]", "terseLabel": "Defined Contributions [Axis]" } } }, "localname": "DefinedContributionsAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "spr_DelayedDrawTermLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Delayed Draw Term Loan [Member]", "label": "Delayed Draw Term Loan [Member]", "terseLabel": "Delayed Draw Term Loan [Member]" } } }, "localname": "DelayedDrawTermLoanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_DepreciationGrantAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Depreciationof Grant Assets", "label": "Depreciation Grant Assets", "negatedLabel": "Amortization" } } }, "localname": "DepreciationGrantAssets", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails1" ], "xbrltype": "monetaryItemType" }, "spr_DirectorStockPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Director Stock Plan [Member]", "verboseLabel": "Director Stock Plan [Member]" } } }, "localname": "DirectorStockPlanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_DisaggregationofrevenuetotalinternationallocationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disaggregation of revenue, total international locations [Member]", "label": "Disaggregation of revenue, total international locations [Member]", "terseLabel": "Disaggregation of revenue, total international locations [Member]" } } }, "localname": "DisaggregationofrevenuetotalinternationallocationsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_DisclosureOnGeographicAreasLongLivedAssetsFromExternalCustomersAttributedToForeignCountries": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located outside the country of domicile.", "label": "Disclosure on Geographic Areas, Long Lived Assets from External Customers Attributed to Foreign Countries", "terseLabel": "Disclosure on Geographic Areas, Long Lived Assets from External Customers Attributed to Foreign Countries" } } }, "localname": "DisclosureOnGeographicAreasLongLivedAssetsFromExternalCustomersAttributedToForeignCountries", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "percentItemType" }, "spr_DisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountriesPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Outside Of The Country of Domicile.", "label": "Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries Percentage", "terseLabel": "Percent of Total Net Revenues, International" } } }, "localname": "DisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountriesPercentage", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "percentItemType" }, "spr_DocumentAndEntityInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Document And Entity Information [Abstract]" } } }, "localname": "DocumentAndEntityInformationAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_EarlyRetirementIncentive": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Early retirement incentive elected by eligible employees", "label": "Early Retirement Incentive", "terseLabel": "Early Retirement Incentive" } } }, "localname": "EarlyRetirementIncentive", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_EarlyRetirementIncentiveIncludedInTenYearAgreementWithIam": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Charge for early retirement incentive incuded in ten-year agreement with IAM", "label": "Early Retirement Incentive Included In Ten Year Agreement With Iam", "terseLabel": "Early Retirement Incentive Included In Ten Year Agreement With Iam" } } }, "localname": "EarlyRetirementIncentiveIncludedInTenYearAgreementWithIam", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "monetaryItemType" }, "spr_EffectiveIncomeTaxRateReconciliationExcessTaxBenefit": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 10.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Excess Tax Benefit", "label": "Effective Income Tax Rate Reconciliation, Excess Tax Benefit", "terseLabel": "Effective Income Tax Rate Reconciliation, Excess Tax Benefit" } } }, "localname": "EffectiveIncomeTaxRateReconciliationExcessTaxBenefit", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_EffectiveIncomeTaxReconciliationGILTITaxPercent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 8.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Effective Income Tax Reconciliation, GILTI Tax, Percent", "label": "Effective Income Tax Reconciliation, GILTI Tax, Percent", "terseLabel": "Effective Income Tax Reconciliation, GILTI Tax, Percent" } } }, "localname": "EffectiveIncomeTaxReconciliationGILTITaxPercent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "spr_EffectiveTaxRateReconExcessTaxBenefitPercentage": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 10.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "EffectiveTaxRateRecon, ExcessTaxBenefit, Percentage", "label": "EffectiveTaxRateRecon, ExcessTaxBenefit, Percentage", "terseLabel": "EffectiveTaxRateRecon, ExcessTaxBenefit, Percentage" } } }, "localname": "EffectiveTaxRateReconExcessTaxBenefitPercentage", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "spr_EffectiveTaxReconciliationGILTI": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 8.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Effective Tax Reconciliation- Global Intangible Low-Taxed Tax- GILTI", "label": "Effective Tax Reconciliation- GILTI", "terseLabel": "Effective Tax Reconciliation- GILTI" } } }, "localname": "EffectiveTaxReconciliationGILTI", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_EffectiveTermBFixedInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Effective Term B Fixed Interest Rate", "label": "Effective Term B Fixed Interest Rate", "terseLabel": "Effective Term B Fixed Interest Rate" } } }, "localname": "EffectiveTermBFixedInterestRate", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "percentItemType" }, "spr_EmployeeStockPurchasePlanNumberofAllocatedShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Employee Stock Purchase Plan, Number of Allocated Shares - the shares or unites in an ESSP that may be purchased", "label": "Employee Stock Purchase Plan, Number of Allocated Shares", "terseLabel": "Employee Stock Purchase Plan, Number of Allocated Shares" } } }, "localname": "EmployeeStockPurchasePlanNumberofAllocatedShares", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "spr_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicilePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure on Geographic Areas, Long-Lived Assts in Entity's County of Domicile, percentage", "label": "Entity Wide Disclosure On Geographic Areas Long Lived Assets In Entitys Country Of Domicile Percentage", "verboseLabel": "United States" } } }, "localname": "EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicilePercentage", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "percentItemType" }, "spr_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicilePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile.", "label": "Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Entitys Country Of Domicile Percentage", "verboseLabel": "Percent of Total Net Revenues, United States" } } }, "localname": "EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicilePercentage", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "percentItemType" }, "spr_EquityInNetAssetsOfSubsidiaries": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Equity in net assets of subsidiaries not accounted for under the equity method", "label": "Equity In Net Assets Of Subsidiaries", "terseLabel": "Equity in net assets of subsidiaries" } } }, "localname": "EquityInNetAssetsOfSubsidiaries", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_EquityInNetIncomeOfSubsidiaries": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 3.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of the equity in net income or loss of subsidiary companies not accounted for under the equity method.", "label": "Equity in net income of subsidiaries", "terseLabel": "Equity in net income of subsidiaries" } } }, "localname": "EquityInNetIncomeOfSubsidiaries", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_EstablishmentofaDeferredTaxAssetValuationAllowanceCharge": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Establishment of a Deferred Tax Asset Valuation Allowance, Charge", "label": "Establishment of a Deferred Tax Asset Valuation Allowance, Charge", "verboseLabel": "Establishment Of A Deferred Tax Asset Valuation Allowance, Charge" } } }, "localname": "EstablishmentofaDeferredTaxAssetValuationAllowanceCharge", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "monetaryItemType" }, "spr_ExchangeRateDeferredProductionInventory": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Exchange rate deferred production inventory.", "label": "Exchange Rate Deferred Production Inventory", "verboseLabel": "Exchange rate" } } }, "localname": "ExchangeRateDeferredProductionInventory", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails3" ], "xbrltype": "monetaryItemType" }, "spr_ExchangeRateEffectOnAssetRelatedToDeferredGrantIncome": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Exchange Rate Effect On Asset Related To Deferred Grant Income.", "label": "Exchange Rate Effect On Asset Related To Deferred Grant Income", "verboseLabel": "Exchange rate" } } }, "localname": "ExchangeRateEffectOnAssetRelatedToDeferredGrantIncome", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails1" ], "xbrltype": "monetaryItemType" }, "spr_ExchangeRateEffectOnDeferredGrantIncomeLiability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Exchange rate effect on deferred grant income liability", "label": "Exchange Rate Effect On Deferred Grant Income Liability", "verboseLabel": "Exchange rate" } } }, "localname": "ExchangeRateEffectOnDeferredGrantIncomeLiability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails" ], "xbrltype": "monetaryItemType" }, "spr_ExecutiveIncentivePlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Executive Incentive Plan [Member]", "verboseLabel": "Executive Incentive Plan [Member]" } } }, "localname": "ExecutiveIncentivePlanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_ExpectedContributionsUkPlan": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Expected contributions to U.K. pension and post-retirement plan", "label": "Expected Contributions Uk Plan", "terseLabel": "Expected Contributions Uk Plan" } } }, "localname": "ExpectedContributionsUkPlan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "monetaryItemType" }, "spr_Expectedtobesatisfiedinyear2019Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portion of Remaining Performance Obligation Expected to be Satisfied in Year 2019 [Member]", "label": "Expected to be satisfied in year 2019 [Member]", "terseLabel": "Expected to be satisfied in year 2019 [Member]" } } }, "localname": "Expectedtobesatisfiedinyear2019Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_Expectedtobesatisfiedinyear2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Expected to be satisfied in year 2020 [Member]", "label": "Expected to be satisfied in year 2020 [Member]", "terseLabel": "Expected to be satisfied in year 2020 [Member]" } } }, "localname": "Expectedtobesatisfiedinyear2020Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_Expectedtobesatisfiedinyear2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Expected to be satisfied in year 2021 [Member]", "label": "Expected to be satisfied in year 2021 [Member]", "terseLabel": "Expected to be satisfied in year 2021 [Member]" } } }, "localname": "Expectedtobesatisfiedinyear2021Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_Expectedtobesatisfiedinyear2022andthereafterMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Expected to be satisfied in year 2022 and thereafter [Member]", "label": "Expected to be satisfied in year 2022 and thereafter [Member]", "terseLabel": "Expected to be satisfied in year 2022 and thereafter [Member]" } } }, "localname": "Expectedtobesatisfiedinyear2022andthereafterMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_ExpirationDateofCollectiveBargainingAgreements": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Expiration Date of Collective-Bargaining Agreements", "label": "Expiration Date of Collective-Bargaining Agreements", "terseLabel": "Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date" } } }, "localname": "ExpirationDateofCollectiveBargainingAgreements", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "spr_ExtinguishmentIncludedInCashFlowAmortizationExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Extinguishment Included In Cash Flow Amortization Expense", "label": "Extinguishment Included In Cash Flow Amortization Expense", "terseLabel": "Extinguishment Included In Cash Flow Amortization Expense" } } }, "localname": "ExtinguishmentIncludedInCashFlowAmortizationExpense", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_ExtinguishmentIncludedInCashFlowDeferredFinancingFees": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Extinguishment Included In Cash Flow Deferred Financing Fees", "label": "Extinguishment Included In Cash Flow Deferred Financing Fees", "terseLabel": "Extinguishment Included In Cash Flow Deferred Financing Fees" } } }, "localname": "ExtinguishmentIncludedInCashFlowDeferredFinancingFees", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value Assets And Liabilities Measured On Recurring Basis Financial Statement Captions [Line Items]", "terseLabel": "Fair Value Assets And Liabilities Measured On Recurring Basis Financial Statement Captions [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "spr_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value Assets And Liabilities Measured On Recurring Basis [Table]", "terseLabel": "Fair Value Assets And Liabilities Measured On Recurring Basis [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "spr_FairValueAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value [Axis]", "terseLabel": "Fair Value [Axis]" } } }, "localname": "FairValueAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "stringItemType" }, "spr_FairValueMeasurementsRecurringAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value Measurements Recurring [Axis]", "terseLabel": "Fair Value Measurements Recurring [Axis]" } } }, "localname": "FairValueMeasurementsRecurringAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "stringItemType" }, "spr_FairValueMeasurementsRecurringDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value Measurements Recurring [Domain]", "terseLabel": "Fair Value Measurements Recurring [Domain]" } } }, "localname": "FairValueMeasurementsRecurringDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "spr_FairValueMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value [Member]", "terseLabel": "Fair Value [Member]" } } }, "localname": "FairValueMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "domainItemType" }, "spr_FairValueMemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fair Value Member [Domain]", "terseLabel": "Fair Value Member [Domain]" } } }, "localname": "FairValueMemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "domainItemType" }, "spr_FairValueOfInvestmentsInDebtAndMarketableSecuritiesWhoseValueIsLessThanHistoricalCost": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair Value Of Investments In Debt And Marketable Securities Whose Value Is Less Than Historical Cost", "label": "Fair Value Of Investments In Debt And Marketable Securities Whose Value Is Less Than Historical Cost", "verboseLabel": "Fair Value Of Investments In Debt And Marketable Securities Whose Value Is Less Than Historical Cost" } } }, "localname": "FairValueOfInvestmentsInDebtAndMarketableSecuritiesWhoseValueIsLessThanHistoricalCost", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "spr_FairValueOfSharesGranted": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair Value Of Shares Granted", "label": "Fair Value Of Shares Granted", "verboseLabel": "Grant Date Of Fair Value Of Shares Granted" } } }, "localname": "FairValueOfSharesGranted", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "spr_FavorableLeaseholdInterestsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Favorable Leasehold Interests [Member]", "terseLabel": "Favorable Leasehold Interests [Member]" } } }, "localname": "FavorableLeaseholdInterestsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "domainItemType" }, "spr_FavorableLeaseholdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Favorable Leasehold [Member]", "label": "Favorable Leasehold [Member]", "terseLabel": "Favorable Leasehold [Member]" } } }, "localname": "FavorableLeaseholdMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_FinanceLeaseRightofUseAssetAccumulatedAmortizationAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Finance Lease, Right-of-Use Asset, Accumulated Amortization Amount", "label": "Finance Lease, Right-of-Use Asset, Accumulated Amortization Amount", "terseLabel": "Finance Lease, Right-of-Use Asset, Accumulated Amortization Amount" } } }, "localname": "FinanceLeaseRightofUseAssetAccumulatedAmortizationAmount", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "spr_FinanceleaseRightofUseAssetgross": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "finance lease, Right-of-Use Asset, gross", "label": "finance lease, Right-of-Use Asset, gross", "terseLabel": "finance lease, Right-of-Use Asset, gross" } } }, "localname": "FinanceleaseRightofUseAssetgross", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "spr_FinancingObligations": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Financing obligations", "label": "Financing Obligations", "terseLabel": "Interest paid" } } }, "localname": "FinancingObligations", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_FipRpStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "FIP/RP Status", "label": "FIP RP Status", "terseLabel": "FIP RP Status" } } }, "localname": "FipRpStatus", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "spr_FirmOrders": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of firm orders received", "label": "Firm Orders", "verboseLabel": "Orders" } } }, "localname": "FirmOrders", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "decimalItemType" }, "spr_ForwardLossMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Forward Loss [Member] - The amount by which the estimate of total contract revenue is exceeded by the estimate of total contract costs.", "label": "Forward Loss [Member]", "terseLabel": "Forward Loss [Member]" } } }, "localname": "ForwardLossMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_Forwardlossprovision": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "forward loss provision", "label": "forward loss provision", "terseLabel": "forward loss provision" } } }, "localname": "Forwardlossprovision", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2" ], "xbrltype": "monetaryItemType" }, "spr_FuselageSystemsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Fuselage Systems [Member]", "terseLabel": "Fuselage Systems [Member]" } } }, "localname": "FuselageSystemsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_G280Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "G280 [Member]", "terseLabel": "G280 [Member]" } } }, "localname": "G280Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_G650Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "G650 [Member]", "terseLabel": "G650 [Member]" } } }, "localname": "G650Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_GainOnInsuranceSettlementSevereWeatherEvent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Net gain representing the insurance settlement received less charges incurred related to the severe weather event", "label": "Gain On Insurance Settlement Severe Weather Event", "terseLabel": "Impact from severe weather event" } } }, "localname": "GainOnInsuranceSettlementSevereWeatherEvent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_GovernmentGrantsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Government Grants [Abstract]" } } }, "localname": "GovernmentGrantsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_GovernmentGrantsTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Government grants", "label": "Government Grants [Text Block]", "verboseLabel": "Government Grants" } } }, "localname": "GovernmentGrantsTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrants" ], "xbrltype": "textBlockItemType" }, "spr_GovernmentGrantsTextualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Government Grants Textuals [Abstract]", "verboseLabel": "Government Grants Textuals [Abstract]" } } }, "localname": "GovernmentGrantsTextualsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetailsTextuals" ], "xbrltype": "stringItemType" }, "spr_GrantDateValueOfSharesVested": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Value of shares vested as of grant date", "label": "Grant Date Value Of Shares Vested", "terseLabel": "Grant Date Value Of Shares Vested" } } }, "localname": "GrantDateValueOfSharesVested", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "spr_GrantIncome": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Grant Income", "label": "Grant Income", "negatedLabel": "Grant liability amortization" } } }, "localname": "GrantIncome", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_GrantIncomeRecognized": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Grant Income Recognized", "label": "Grant Income Recognized", "negatedLabel": "Grant income recognized" } } }, "localname": "GrantIncomeRecognized", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetails" ], "xbrltype": "monetaryItemType" }, "spr_GulfstreamAccountsReceivableMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Gulfstream Accounts Receivable [Member]", "terseLabel": "Gulfstream [Member]" } } }, "localname": "GulfstreamAccountsReceivableMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_GulfstreamG280Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Gulfstream G280 [Member]", "terseLabel": "Gulfstream G280 [Member]" } } }, "localname": "GulfstreamG280Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "domainItemType" }, "spr_GulfstreamMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Gulfstream [Member]", "label": "Gulfstream [Member]", "terseLabel": "Gulfstream [Member]" } } }, "localname": "GulfstreamMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "spr_HeldToMaturitySecuritiesDebtMaturitiesTableTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Held To Maturity Securities Debt Maturities Table", "label": "Held To Maturity Securities Debt Maturities Table [Table Text Block]", "terseLabel": "Held To Maturity Securities Debt Maturities" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesTableTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsTables" ], "xbrltype": "textBlockItemType" }, "spr_HeldToMaturitySecuritiesFairValueCurrent": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Held to Maturity Securities Fair Value Current", "label": "Held To Maturity Securities Fair Value Current", "terseLabel": "Fair Value, Current" } } }, "localname": "HeldToMaturitySecuritiesFairValueCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "spr_HeldToMaturitySecuritiesFairValueNonCurrent": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Held To Maturity Securities Fair Value Non Current", "label": "Held To Maturity Securities Fair Value Non Current", "terseLabel": "Fair Value, Noncurrent" } } }, "localname": "HeldToMaturitySecuritiesFairValueNonCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "spr_HeldToMaturitySecuritiesUnrecognizedHoldingGainsNonCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Held To Maturity Securities Unrecognized Holding Gains Non Current", "label": "Held To Maturity Securities Unrecognized Holding Gains Non Current", "terseLabel": "Unrealized Gains, Noncurrent" } } }, "localname": "HeldToMaturitySecuritiesUnrecognizedHoldingGainsNonCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "spr_HeldToMaturitySecuritiesUnrecognizedHoldingLossNonCurrent": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Held To Maturity Securities Unrecognized Holding Loss Non Current", "label": "Held To Maturity Securities Unrecognized Holding Loss Non Current", "negatedLabel": "Unrealized Losses, Noncurrent" } } }, "localname": "HeldToMaturitySecuritiesUnrecognizedHoldingLossNonCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "spr_IAMLevelofContributionperhourEffectiveJuly2019": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "IAM Level of Contribution per hour Effective July 2019", "label": "IAM Level of Contribution per hour Effective July 2019", "terseLabel": "IAM Level of Contribution per hour Effective July 2019" } } }, "localname": "IAMLevelofContributionperhourEffectiveJuly2019", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "decimalItemType" }, "spr_IAMLevelofContributionperhouruntilJune2019": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "IAM Level of Contribution per hour", "label": "IAM Level of Contribution per hour until June 2019", "terseLabel": "IAM Level of Contribution per hour until June 2019" } } }, "localname": "IAMLevelofContributionperhouruntilJune2019", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "decimalItemType" }, "spr_IamMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "IAM [Member]", "terseLabel": "IAM [Member]" } } }, "localname": "IamMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_Impactof201707Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Impact of 2017-07 [Member]", "label": "Impact of 2017-07 [Member]", "terseLabel": "Impact of 2017-07 [Member]" } } }, "localname": "Impactof201707Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_ImpactonRetainedEarningsAdoptionofASC606": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Impact on Retained Earnings, Adoption of ASC 606", "label": "Impact on Retained Earnings, Adoption of ASC 606", "terseLabel": "Impact on Retained Earnings, Adoption of ASC 606" } } }, "localname": "ImpactonRetainedEarningsAdoptionofASC606", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "spr_IncentiveCompensationIncludedInUnallocatedCostOfSale": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Award of stock to eligible employees as part of ten-year agreement with UAW", "label": "Incentive Compensation Included In Unallocated Cost Of Sale", "terseLabel": "Incentive Compensation Included In Unallocated Cost Of Sale", "verboseLabel": "Incentive Compensation Included In Unallocated Cost Of Sale" } } }, "localname": "IncentiveCompensationIncludedInUnallocatedCostOfSale", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_IncomeBeforeEquityInNetLossOfAffiliates": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Income (loss) Before Equity In Netincome (Loss) Of Affiliates and subsidiaries", "label": "Income Before Equity In Net Loss Of Affiliates", "totalLabel": "Income before equity in net income of affiliates", "verboseLabel": "Income (loss) before equity in net income of affiliates and subsidiaries" } } }, "localname": "IncomeBeforeEquityInNetLossOfAffiliates", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "spr_IncreaseDecreaseinForwardPosition": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Increase (Decrease) in Forward Provision", "label": "Increase (Decrease) in Forward Position", "terseLabel": "Increase (Decrease) in Forward Position" } } }, "localname": "IncreaseDecreaseinForwardPosition", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_IncrementalTenderAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Incremental Tender Amount", "label": "Incremental Tender Amount", "terseLabel": "Incremental Tender Amount" } } }, "localname": "IncrementalTenderAmount", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_IndustrialRevenueBondMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Industrial Revenue Bond [Member]", "terseLabel": "Industrial Revenue Bond [Member]" } } }, "localname": "IndustrialRevenueBondMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "domainItemType" }, "spr_InsuranceSettlement": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount o full and final settlement resolving property damage, clean-up and recovery costs related the severe weather event. Also includes all expenses for production interruption and reduction of further interruptions.", "label": "Insurance settlement", "terseLabel": "Insurance settlement" } } }, "localname": "InsuranceSettlement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_IntangibleAssetAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Intangible Asset [Axis]", "label": "Intangible Asset [Axis]", "terseLabel": "Intangible Asset [Axis]" } } }, "localname": "IntangibleAssetAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "spr_IntangibleAssetDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Intangible Asset [Axis]", "label": "Intangible Asset [Domain]", "terseLabel": "Intangible Asset [Domain]" } } }, "localname": "IntangibleAssetDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_InterestRateSwapsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate swaps", "label": "Interest Rate Swaps [Table Text Block]", "verboseLabel": "Interest Rate Swaps" } } }, "localname": "InterestRateSwapsTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesTables" ], "xbrltype": "textBlockItemType" }, "spr_InternationalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "international [Member]", "label": "international [Member]", "terseLabel": "international [Member]" } } }, "localname": "InternationalMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_InventoriesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventories [Line Items]", "terseLabel": "Inventories [Line Items]" } } }, "localname": "InventoriesLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "stringItemType" }, "spr_InventoriesTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventories [Table]", "terseLabel": "Inventories [Table]" } } }, "localname": "InventoriesTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "stringItemType" }, "spr_InventoryByPlatformAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory By Platform [Abstract]", "verboseLabel": "Inventory By Platform [Abstract]" } } }, "localname": "InventoryByPlatformAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "stringItemType" }, "spr_InventoryInProcess": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails1": { "order": 1.0, "parentTag": "us-gaap_InventoryNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "In process inventory", "label": "Inventory In Process", "terseLabel": "Inventory In Process" } } }, "localname": "InventoryInProcess", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "spr_InventoryTypeB787Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory Type B787 [Member]", "verboseLabel": "B787 [Member]" } } }, "localname": "InventoryTypeB787Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails", "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_InventoryTypeEightMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory Type Eight [Member]", "terseLabel": "Inventory Type Eight [Member]", "verboseLabel": "Rolls-Royce [Member]" } } }, "localname": "InventoryTypeEightMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_InventoryTypeGulfstreamMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory Type Gulfstream [Member]", "verboseLabel": "Gulfstream [Member]" } } }, "localname": "InventoryTypeGulfstreamMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "domainItemType" }, "spr_InventoryTypeOneMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory Type One [Member]", "verboseLabel": "B737 [Member]" } } }, "localname": "InventoryTypeOneMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "domainItemType" }, "spr_InventoryTypeSixMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory Type Six [Member]", "verboseLabel": "Airbus - All Other Platforms [Member]" } } }, "localname": "InventoryTypeSixMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "domainItemType" }, "spr_InventoryTypeThreeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Inventory Type Three [Member]", "verboseLabel": "B767 [Member]" } } }, "localname": "InventoryTypeThreeMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_InvestingActivitiesEquityInNetAssetsOfSubsidiaries": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash flow impact of equity in net assets of subsidiaries", "label": "Investing Activities Equity In Net Assets Of Subsidiaries", "terseLabel": "Investing Activities Equity In Net Assets Of Subsidiaries" } } }, "localname": "InvestingActivitiesEquityInNetAssetsOfSubsidiaries", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_InvestmentInSubsidiary": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Investiment in subsidiary", "label": "Investment In Subsidiary", "verboseLabel": "Investment in subsidiary" } } }, "localname": "InvestmentInSubsidiary", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_InvestmentsTextualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Investments Textuals [Abstract]", "verboseLabel": "Investments Textuals [Abstract]" } } }, "localname": "InvestmentsTextualsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "stringItemType" }, "spr_JointVenturePolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for joint ventures", "label": "Joint Venture Policy [Policy Text Block]", "verboseLabel": "Joint Venture" } } }, "localname": "JointVenturePolicyPolicyTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "spr_JointVenturesTwoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Joint Ventures Two [Member]", "verboseLabel": "TSACCL [Member]" } } }, "localname": "JointVenturesTwoMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "domainItemType" }, "spr_KansasBusinessAndJobsDevelopmentCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Kansas Business and Jobs Development Credit [Member]", "terseLabel": "Kansas Business and Jobs Development Credit [Member]" } } }, "localname": "KansasBusinessAndJobsDevelopmentCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_KansasHighPerformanceIncentiveProgramHpipCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Kansas High Performance Incentive Program (HPIP) Credit [Member]", "terseLabel": "Kansas High Performance Incentive Program (HPIP) Credit [Member]" } } }, "localname": "KansasHighPerformanceIncentiveProgramHpipCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_KansasResearchDevelopmentCreditRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Kansas Research & Development Credit (R&D) [Member]", "terseLabel": "Kansas Research & Development Credit (R&D) [Member]" } } }, "localname": "KansasResearchDevelopmentCreditRdMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_KansasStateIncomeTaxCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Kansas State Income Tax Credit [Member]", "terseLabel": "Kansas State Income Tax Credit [Member]" } } }, "localname": "KansasStateIncomeTaxCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_KfdaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "KFDA [Member]", "terseLabel": "KFDA [Member]" } } }, "localname": "KfdaMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "domainItemType" }, "spr_KiescOwnershipPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of ownership of KIESC, which has been consolidated for financial statement presentation purposes", "label": "KIESC Ownership Percentage", "terseLabel": "KIESC Ownership Percentage" } } }, "localname": "KiescOwnershipPercentage", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "percentItemType" }, "spr_LeaseDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lease Disclosure [Abstract]", "label": "Lease Disclosure [Abstract]" } } }, "localname": "LeaseDisclosureAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_LeaseInterestMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amount necessary to reduce net minimum lease payments to present value calculated at the lesser of the interest rate implicit in the lease (if known) or the entity's incremental borrowing rate (as defined) at inception of the lease.", "label": "Lease Interest [Member]", "terseLabel": "Lease Interest [Member]" } } }, "localname": "LeaseInterestMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "domainItemType" }, "spr_LesseeFinanceLeaseLeaseNotYetCommencedCommitment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lessee, Finance Lease, Lease Not Yet Commenced, Commitment", "label": "Lessee, Finance Lease, Lease Not Yet Commenced, Commitment", "terseLabel": "Lessee, Finance Lease, Lease Not Yet Commenced, Commitment" } } }, "localname": "LesseeFinanceLeaseLeaseNotYetCommencedCommitment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "spr_LesseeImputedInterestDueFinance": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lessee Imputed Interest Due- Finance", "label": "Lessee Imputed Interest Due- Finance", "terseLabel": "Lessee Imputed Interest Due- Finance" } } }, "localname": "LesseeImputedInterestDueFinance", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "spr_LesseeImputedInterestDueOperating": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lessee Imputed Interest Due- Operating", "label": "Lessee Imputed Interest Due- Operating", "terseLabel": "Lessee Imputed Interest Due- Operating" } } }, "localname": "LesseeImputedInterestDueOperating", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "spr_LesseeOperatingLeaseLeaseNotYetCommencedLiability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lessee, Operating Lease, Lease Not Yet Commenced, Commitment", "label": "Lessee, Operating Lease, Lease Not Yet Commenced, Liability", "terseLabel": "Lessee, Operating Lease, Lease Not Yet Commenced, Liability" } } }, "localname": "LesseeOperatingLeaseLeaseNotYetCommencedLiability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "spr_LettersOfCreditFrontingFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Letters of credit fronting fee", "label": "Letters Of Credit Fronting Fee", "terseLabel": "Letters Of Credit Fronting Fee" } } }, "localname": "LettersOfCreditFrontingFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level1CommitmentFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 1 Commitment Fee", "label": "Level 1 Commitment Fee", "terseLabel": "Level 1 Commitment Fee" } } }, "localname": "Level1CommitmentFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level1DebtRatiocovenant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 1 Debt Ratio, covenant", "label": "Level 1 Debt Ratio, covenant", "terseLabel": "Level 1 Debt Ratio, covenant" } } }, "localname": "Level1DebtRatiocovenant", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "pureItemType" }, "spr_Level1LetterOfCreditFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 1 Letter Of Credit Fee", "label": "Level 1 Letter Of Credit Fee", "terseLabel": "Level 1 Letter Of Credit Fee" } } }, "localname": "Level1LetterOfCreditFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level1MarginOnAlternateBaseRateBorrowingOnRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 1 Margin On Alternate Base Rate Borrowing On Revolving Loan", "label": "Level 1 Margin On Alternate Base Rate Borrowing On Revolving Loan", "verboseLabel": "Level 1 Margin On Alternate Base Rate Borrowing On Revolving Loan" } } }, "localname": "Level1MarginOnAlternateBaseRateBorrowingOnRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level1MarginOnLiborBorrowingOnRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 1 Margin On Libor Borrowing On Revolving Loan", "label": "Level 1 Margin On Libor Borrowing On Revolving Loan", "verboseLabel": "Level 1 Margin On Libor Borrowing On Revolving Loan" } } }, "localname": "Level1MarginOnLiborBorrowingOnRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level2CommitmentFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 2 Commitment Fee", "label": "Level 2 Commitment Fee", "terseLabel": "Level 2 Commitment Fee" } } }, "localname": "Level2CommitmentFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level2DebtRatiocovenant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 2 Debt Ratio, covenant", "label": "Level 2 Debt Ratio, covenant", "terseLabel": "Level 2 Debt Ratio, covenant" } } }, "localname": "Level2DebtRatiocovenant", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "pureItemType" }, "spr_Level2LetterOfCreditFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 2 Letter Of Credit Fee", "label": "Level 2 Letter Of Credit Fee", "terseLabel": "Level 2 Letter Of Credit Fee" } } }, "localname": "Level2LetterOfCreditFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level2MarginOnAlternateBaseRateBorrowingOnRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 2 Margin On Alternate Base Rate Borrowing On Revolving Loan", "label": "Level 2 Margin On Alternate Base Rate Borrowing On Revolving Loan", "terseLabel": "Level 2 Margin On Alternate Base Rate Borrowing On Revolving Loan" } } }, "localname": "Level2MarginOnAlternateBaseRateBorrowingOnRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level2MarginOnLiborBorrowingOnRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 2 Margin On Libor Borrowing On Revolving Loan", "label": "Level 2 Margin On Libor Borrowing On Revolving Loan", "terseLabel": "Level 2 Margin On Libor Borrowing On Revolving Loan" } } }, "localname": "Level2MarginOnLiborBorrowingOnRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level3CommitmentFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 3 Commitment Fee", "label": "Level 3 Commitment Fee", "terseLabel": "Level 3 Commitment Fee" } } }, "localname": "Level3CommitmentFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level3DebtRatiocovenant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 3 Debt Ratio, covenant", "label": "Level 3 Debt Ratio, covenant", "terseLabel": "Level 3 Debt Ratio, covenant" } } }, "localname": "Level3DebtRatiocovenant", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "pureItemType" }, "spr_Level3LetterOfCreditFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 3 Letter Of Credit Fee", "label": "Level 3 Letter Of Credit Fee", "terseLabel": "Level 3 Letter Of Credit Fee" } } }, "localname": "Level3LetterOfCreditFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level3MarginOnAlternateBaseRateBorrowingOnRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 3 Margin On Alternate Base Rate Borrowing On Revolving Loan", "label": "Level 3 Margin On Alternate Base Rate Borrowing On Revolving Loan", "verboseLabel": "Level 3 Margin On Alternate Base Rate Borrowing On Revolving Loan" } } }, "localname": "Level3MarginOnAlternateBaseRateBorrowingOnRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level3MarginOnLiborBorrowingOnRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 3 Margin On Libor Borrowing On Revolving Loan", "label": "Level 3 Margin On Libor Borrowing On Revolving Loan", "verboseLabel": "Level 3 Margin On Libor Borrowing On Revolving Loan" } } }, "localname": "Level3MarginOnLiborBorrowingOnRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level4CommitmentFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 4 Commitment Fee", "label": "Level 4 Commitment Fee", "terseLabel": "Level 4 Commitment Fee" } } }, "localname": "Level4CommitmentFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level4DebtRatiocovenant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 4 Debt Ratio, covenant", "label": "Level 4 Debt Ratio, covenant", "terseLabel": "Level 4 Debt Ratio, covenant" } } }, "localname": "Level4DebtRatiocovenant", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "pureItemType" }, "spr_Level4LetterOfCreditFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 4 Letter Of Credit Fee", "label": "Level 4 Letter Of Credit Fee", "terseLabel": "Level 4 Letter Of Credit Fee" } } }, "localname": "Level4LetterOfCreditFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level4MarginOnAlternateBaseRateRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 4 Margin On Alternate Base Rate Revolving Loan", "label": "Level 4 Margin On Alternate Base Rate Revolving Loan", "terseLabel": "Level 4 Margin On Alternate Base Rate Revolving Loan" } } }, "localname": "Level4MarginOnAlternateBaseRateRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level4MarginOnLiborBorrowingRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 4 Margin On Libor Borrowing Revolving Loan", "label": "Level 4 Margin On Libor Borrowing Revolving Loan", "terseLabel": "Level 4 Margin On Libor Borrowing Revolving Loan" } } }, "localname": "Level4MarginOnLiborBorrowingRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level5CommitmentFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 5 Commitment Fee", "label": "Level 5 Commitment Fee", "terseLabel": "Level 5 Commitment Fee" } } }, "localname": "Level5CommitmentFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level5LetterOfCreditFee": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 5 Letter Of Credit Fee", "label": "Level 5 Letter Of Credit Fee", "terseLabel": "Level 5 Letter Of Credit Fee" } } }, "localname": "Level5LetterOfCreditFee", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level5MarginOnAlternateBaseRateRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 5 Margin On Alternate Base Rate Revolving Loan", "label": "Level 5 Margin On Alternate Base Rate Revolving Loan", "terseLabel": "Level 5 Margin On Alternate Base Rate Revolving Loan" } } }, "localname": "Level5MarginOnAlternateBaseRateRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Level5MarginOnLiborBorrowingRevolvingLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level 5 Margin On Libor Borrowing Revolving Loan", "label": "Level 5 Margin On Libor Borrowing Revolving Loan", "terseLabel": "Level 5 Margin On Libor Borrowing Revolving Loan" } } }, "localname": "Level5MarginOnLiborBorrowingRevolvingLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_LevelofContributionperhourIncrease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level of Contribution per hour Increase", "label": "Level of Contribution per hour Increase", "terseLabel": "Level of Contribution per hour Increase" } } }, "localname": "LevelofContributionperhourIncrease", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "decimalItemType" }, "spr_LevelofContributionperhoureffectiveJuly2010": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Level of Contribution per hour effective July2010", "label": "Level of Contribution per hour effective July2010", "terseLabel": "Level of Contribution per hour effective July 2010" } } }, "localname": "LevelofContributionperhoureffectiveJuly2010", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "decimalItemType" }, "spr_LeverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Leverage ratio", "label": "Leverage Ratio", "terseLabel": "Leverage Ratio" } } }, "localname": "LeverageRatio", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "pureItemType" }, "spr_LitigationsettlementamountagainstBoeing": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of announced judgment or settlement against Boeing", "label": "Litigation settlement amount against Boeing", "terseLabel": "Litigation settlement amount against Boeing" } } }, "localname": "LitigationsettlementamountagainstBoeing", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "spr_LocationUnitedKingdomMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disaggregated revenue based upon the location where products and services are transferred to the customer. Location:United Kingdom [Member]", "label": "Location United Kingdom [Member]", "terseLabel": "Location United Kingdom [Member]" } } }, "localname": "LocationUnitedKingdomMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_LocationUnitedStatesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disaggregated Revenue based upon location where products and services are transferred to customer: United States [Member]", "label": "Location United States [Member]", "terseLabel": "Location United States [Member]" } } }, "localname": "LocationUnitedStatesMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_LongTermDebtAndCapitalLeaseObligationsCurrentAndNonCurrentTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Long Term Debt And Capital Lease Obligations Current And Non Current", "label": "Long Term Debt And Capital Lease Obligations Current And Non Current [Table Text Block]", "verboseLabel": "Long Term Debt And Capital Lease Obligations Current And Non Current" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsCurrentAndNonCurrentTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "spr_LongTermIncentivePlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Long Term Incentive Plan [Member]", "terseLabel": "Long Term Incentive Plan [Member]" } } }, "localname": "LongTermIncentivePlanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_LossonDerivativesettlement": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Loss on Derivative settlement", "label": "Loss on Derivative settlement", "terseLabel": "Loss on Derivative settlement" } } }, "localname": "LossonDerivativesettlement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "spr_Lossondivestitureofprograms": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The gains and losses included in earning resulting from the divestiture of programs.", "label": "loss on divestiture of programs", "negatedTerseLabel": "loss on sale of divestiture", "terseLabel": "loss on divestiture of programs" } } }, "localname": "Lossondivestitureofprograms", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_Lossonsaleofdivestitureofprogramscashflow": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Loss on sale of divestiture of programs - cash flow", "label": "Loss on sale of divestiture of programs - cash flow", "terseLabel": "Loss on sale of divestiture of programs - cash flow" } } }, "localname": "Lossonsaleofdivestitureofprogramscashflow", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_MachineryAndEquipmentExcludingToolingGross": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Machinery And Equipment Excluding Tooling Gross", "label": "Machinery And Equipment Excluding Tooling Gross", "terseLabel": "Machinery and equipment" } } }, "localname": "MachineryAndEquipmentExcludingToolingGross", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "spr_MalaysiaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Malaysia [Member]", "label": "Malaysia [Member]", "terseLabel": "Malaysia [Member]" } } }, "localname": "MalaysiaMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_MalaysianTermLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Malaysian Term Loan [Member]", "terseLabel": "Malaysian Term Loan [Member]" } } }, "localname": "MalaysianTermLoanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_MarginOnBaseRateBorrowingOn2012SeniorSecuredCreditFacilityTermCurrent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Margin On Base Rate Borrowing On 2012 Senior Secured Credit Facility Term Current", "label": "Margin On Base Rate Borrowing On 2012 Senior Secured Credit Facility Term Current", "terseLabel": "Margin On Base Rate Borrowing On 2012 Senior Secured Credit Facility Term Current" } } }, "localname": "MarginOnBaseRateBorrowingOn2012SeniorSecuredCreditFacilityTermCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MarginOnBaseRateBorrowingOn2012SeniorSecuredCreditFacilityTermStepDown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Margin On Base Rate Borrowing On 2012 Senior Secured Credit Facility Term Step Down", "label": "Margin On Base Rate Borrowing On 2012 Senior Secured Credit Facility Term Step Down", "terseLabel": "Margin On Base Rate Borrowing On 2012 Senior Secured Credit Facility Term Step Down" } } }, "localname": "MarginOnBaseRateBorrowingOn2012SeniorSecuredCreditFacilityTermStepDown", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MarginOnBaseRateBorrowingTermLoan": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Margin On Base Rate Borrowing Term Loan", "label": "Margin On Base Rate Borrowing Term Loan", "terseLabel": "Margin On Base Rate Borrowing Term Loan" } } }, "localname": "MarginOnBaseRateBorrowingTermLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MarginOnLiborBorrowingOn2012SeniorSecuredCreditFacilityTermCurrent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Margin On Libor Borrowing On 2012 Senior Secured Credit Facility Term Current", "label": "Margin On Libor Borrowing On 2012 Senior Secured Credit Facility Term Current", "terseLabel": "Margin On Libor Borrowing On 2012 Senior Secured Credit Facility Term Current" } } }, "localname": "MarginOnLiborBorrowingOn2012SeniorSecuredCreditFacilityTermCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MarginOnLiborBorrowingOn2012SeniorSecuredCreditFacilityTermStepDown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Margin On Libor Borrowing On 2012 Senior Secured Credit Facility Term Step Down", "label": "Margin On Libor Borrowing On 2012 Senior Secured Credit Facility Term Step Down", "terseLabel": "Margin On Libor Borrowing On 2012 Senior Secured Credit Facility Term Step Down" } } }, "localname": "MarginOnLiborBorrowingOn2012SeniorSecuredCreditFacilityTermStepDown", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MarginOverEuriborOnCapitalLeaseRepayment": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Margin Over Euribor On Capital Lease Repayment", "label": "Margin Over Euribor On Capital Lease Repayment", "verboseLabel": "Margin Over Euribor On Capital Lease Repayment" } } }, "localname": "MarginOverEuriborOnCapitalLeaseRepayment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MarketBasedLTIAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Market Based LTIA [Member]", "label": "Market Based LTIA [Member]", "terseLabel": "Market Based LTIA [Member]" } } }, "localname": "MarketBasedLTIAMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_MarketBasedPortionofLTIA": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Market Based Portion of LTIA", "label": "Market Based Portion of LTIA", "terseLabel": "Market Based Portion of LTIA" } } }, "localname": "MarketBasedPortionofLTIA", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "percentItemType" }, "spr_MaturityDate2012SeniorSecuredCreditFacilityRevolver": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maturity date of 2012 Senior Securied Credit Facility revolver", "label": "Maturity Date 2012 Senior Secured Credit Facility Revolver", "terseLabel": "Maturity Date 2012 Senior Secured Credit Facility Revolver" } } }, "localname": "MaturityDate2012SeniorSecuredCreditFacilityRevolver", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "dateItemType" }, "spr_MaturityDate2012SeniorSecuredCreditFacilityTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maturity date of the 2012 Senior Secured Credit Facility Term loan", "label": "Maturity Date 2012 Senior Secured Credit Facility Term", "terseLabel": "Maturity Date 2012 Senior Secured Credit Facility Term" } } }, "localname": "MaturityDate2012SeniorSecuredCreditFacilityTerm", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "dateItemType" }, "spr_MaturityDateAmendmentNo3SeniorSecuredFacilityTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "MaturityDateAmendmentNo3SeniorSecuredFacilityTerm", "label": "MaturityDateAmendmentNo3SeniorSecuredFacilityTerm", "terseLabel": "MaturityDateAmendmentNo3SeniorSecuredFacilityTerm" } } }, "localname": "MaturityDateAmendmentNo3SeniorSecuredFacilityTerm", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "dateItemType" }, "spr_MaximumAdjustmentMarginonLibor": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maximum Adjustment Margin on Libor", "label": "Maximum Adjustment Margin on Libor", "terseLabel": "Maximum Adjustment Margin on Libor" } } }, "localname": "MaximumAdjustmentMarginonLibor", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MaximumAdjustmentonMarginonBaseRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maximum Adjustment on Margin on Base Rate", "label": "Maximum Adjustment on Margin on Base Rate", "terseLabel": "Maximum Adjustment on Margin on Base Rate" } } }, "localname": "MaximumAdjustmentonMarginonBaseRate", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MaximumBorrowingCapacity": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Company executed credit agreement", "label": "Maximum Borrowing Capacity", "verboseLabel": "Company executed credit agreement" } } }, "localname": "MaximumBorrowingCapacity", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_MilestoneRevenueRecognitionTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure related to research and development milestone revenue recognized during the period.", "label": "Milestone Revenue Recognition [Text Block]", "terseLabel": "Research and Development Milestones" } } }, "localname": "MilestoneRevenueRecognitionTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ResearchAndDevelopmentMilestones" ], "xbrltype": "textBlockItemType" }, "spr_MinimumAdjustmentMarginonLibor": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Minimum Adjustment Margin on Libor", "label": "Minimum Adjustment Margin on Libor", "terseLabel": "Minimum Adjustment Margin on Libor" } } }, "localname": "MinimumAdjustmentMarginonLibor", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MinimumAdjustmentonMarginonBaserate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Minimum Adjustment on Margin on Base rate", "label": "Minimum Adjustment on Margin on Base rate", "terseLabel": "Minimum Adjustment on Margin on Base rate" } } }, "localname": "MinimumAdjustmentonMarginonBaserate", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_MinimumInterestCoverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Minimum interest coverage ratio", "label": "Minimum Interest Coverage Ratio", "terseLabel": "Minimum Interest Coverage Ratio" } } }, "localname": "MinimumInterestCoverageRatio", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "pureItemType" }, "spr_MultiemployerPensionPlanNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "EIN/Penions plan number", "label": "Multiemployer Pension Plan Number", "verboseLabel": "EIN/Pensions plan number" } } }, "localname": "MultiemployerPensionPlanNumber", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "spr_MultiemployerPlanTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Multiemployer plan Table", "label": "Multiemployer plan Table [Text Block]", "terseLabel": "Multiemployer Plan Table" } } }, "localname": "MultiemployerPlanTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_NetDecreaseInOperatingProfitFromImpactOfChangesInProfitBookingRatesAndOtherMatters": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net decrease in operating profit from the impact of changes in the estimated profit booking rates on our contracts accounted for using the percentage-of-completion method of accounting and other matters.", "label": "Net Decrease In Operating Profit From Impact Of Changes In Profit Booking Rates And Other Matters", "terseLabel": "Net Decrease In Operating Profit From Impact Of Changes In Profit Booking Rates And Other Matters" } } }, "localname": "NetDecreaseInOperatingProfitFromImpactOfChangesInProfitBookingRatesAndOtherMatters", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_NetEstimatedTaxBenefitUponAdoptionofAS01409Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Net Estimated Tax Benefit in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "label": "Net Estimated Tax Benefit Upon Adoption of AS014-09 [Member]", "terseLabel": "Net Estimated Tax Benefit in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]" } } }, "localname": "NetEstimatedTaxBenefitUponAdoptionofAS01409Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_NetForwardLossChargeRecorded": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Forward loss recorded in the reporting period", "label": "Net Forward Loss Charge Recorded", "terseLabel": "Net Forward Loss Charge Recorded", "verboseLabel": "Net Forward Loss Charge Recorded" } } }, "localname": "NetForwardLossChargeRecorded", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/InventoryDetails1", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_NetForwardLossChargesRecordedSubsequentPlanningBlock": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Net Forward Loss Charges Recorded, Subsequent Planning Block", "label": "Net Forward Loss Charges Recorded, Subsequent Planning Block", "terseLabel": "Net Forward Loss Charges Recorded, Subsequent Planning Block" } } }, "localname": "NetForwardLossChargesRecordedSubsequentPlanningBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "spr_NetIncomeLossAvailableToParticipatingSecurities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Net Income Loss Available To Participating Securities", "label": "Net Income Loss Available To Participating Securities", "verboseLabel": "Income allocated to participating securities" } } }, "localname": "NetIncomeLossAvailableToParticipatingSecurities", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "monetaryItemType" }, "spr_NetInventoryRawMaterialsFinishedGoodsAndWorkInProcess": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": 1.0, "parentTag": "us-gaap_InventoryNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Net Inventory Raw Materials Finished Goods And Work In Process", "label": "Net Inventory Raw Materials Finished Goods And Work In Process", "totalLabel": "Product inventory" } } }, "localname": "NetInventoryRawMaterialsFinishedGoodsAndWorkInProcess", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "spr_NetpresentvalueofallegedamountofUAWarbitrationliability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "net present value of alleged amount of UAW arbitration liability", "label": "net present value of alleged amount of UAW arbitration liability", "terseLabel": "net present value of alleged amount of UAW arbitration liability" } } }, "localname": "NetpresentvalueofallegedamountofUAWarbitrationliability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "spr_NewAccountingPronouncementorChangeinAccountingPrinciple": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "New Accounting Pronouncement or Change in Accounting Principle Increase to the Assets and Liabilities on Consolidated Balance Sheet", "label": "New Accounting Pronouncement or Change in Accounting Principle", "terseLabel": "New Accounting Pronouncement or Change in Accounting Principle Increase to the Assets and Liabilities on Consolidated Balance Sheet" } } }, "localname": "NewAccountingPronouncementorChangeinAccountingPrinciple", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsTables" ], "xbrltype": "monetaryItemType" }, "spr_NewAccountingPronouncementorChangeinAccountingPrincipleDebtIssuanceCostsReclassifiedtoaReductioninLongtermDebtNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net", "label": "New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net", "terseLabel": "New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net" } } }, "localname": "NewAccountingPronouncementorChangeinAccountingPrincipleDebtIssuanceCostsReclassifiedtoaReductioninLongtermDebtNet", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "spr_NewAccountingPronouncementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New Accounting Pronouncements [Abstract]", "label": "New Accounting Pronouncements [Abstract]" } } }, "localname": "NewAccountingPronouncementsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_NewProgramsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Desctiption of accounting policy for new programs", "label": "New Programs Policy [Policy Text Block]", "verboseLabel": "Developments on Our Maturing Programs" } } }, "localname": "NewProgramsPolicyPolicyTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "spr_NoncurrentIncomeTaxExpenseBenefit": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Noncurrent Income Tax Expense (Benefit)", "label": "Noncurrent Income Tax Expense (Benefit)", "terseLabel": "Long-term tax benefit" } } }, "localname": "NoncurrentIncomeTaxExpenseBenefit", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_NonrecurringInventory": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails1": { "order": 2.0, "parentTag": "us-gaap_InventoryNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Non-recurring production costs include design and engineering costs and test articles.", "label": "Nonrecurring Inventory", "verboseLabel": "Non-recurring production cost included in inventory" } } }, "localname": "NonrecurringInventory", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "spr_NonrecurringRevenues": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Non-recurring revenues derived primarily from engineering and design efforts", "label": "Non-recurring Revenues", "terseLabel": "Non-recurring Revenues" } } }, "localname": "NonrecurringRevenues", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_NorthCarolinaCreatingJobsCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "North Carolina Creating Jobs Credit [Member]", "terseLabel": "North Carolina Creating Jobs Credit [Member]" } } }, "localname": "NorthCarolinaCreatingJobsCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_NorthCarolinaInvestingInBusinessPropertyCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "North Carolina Investing in Business Property Credit [Member]", "terseLabel": "North Carolina Investing in Business Property Credit [Member]" } } }, "localname": "NorthCarolinaInvestingInBusinessPropertyCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_NorthCarolinaInvestmentInRealPropertyCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "North Carolina Investment in Real Property Credit [Member]", "terseLabel": "North Carolina Investment in Real Property Credit [Member]" } } }, "localname": "NorthCarolinaInvestmentInRealPropertyCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_NorthCarolinaStateIncomeTaxCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "North Carolina State Income Tax Credit [Member]", "terseLabel": "North Carolina State Income Tax Credit [Member]" } } }, "localname": "NorthCarolinaStateIncomeTaxCreditMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "spr_NoteConsiderationPayment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Note Consideration Payment", "label": "Note Consideration Payment", "terseLabel": "Note Consideration Payment" } } }, "localname": "NoteConsiderationPayment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_NumberOfLargestCustomers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Largest Customers", "label": "Number Of Largest Customers", "verboseLabel": "Number Of Largest Customers" } } }, "localname": "NumberOfLargestCustomers", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "integerItemType" }, "spr_NumberOfPrincipalSegments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Principal Segments", "label": "Number Of Principal Segments", "verboseLabel": "Number Of Principal Segments" } } }, "localname": "NumberOfPrincipalSegments", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "integerItemType" }, "spr_Numberofemployees": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of employees", "label": "Number of employees", "terseLabel": "Number of employees" } } }, "localname": "Numberofemployees", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "pureItemType" }, "spr_Onexsharessoldinsecondaryoffering": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Onex shares sold in secondary offering", "label": "Onex shares sold in secondary offering", "terseLabel": "Onex shares sold in secondary offering" } } }, "localname": "Onexsharessoldinsecondaryoffering", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "sharesItemType" }, "spr_OperatingLossCarryforwardAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Operating Loss Carryforward [Abstract]" } } }, "localname": "OperatingLossCarryforwardAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "spr_OptionalRevolverCommitment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Optional Revolver Commitment", "label": "Optional Revolver Commitment", "terseLabel": "Optional Revolver Commitment" } } }, "localname": "OptionalRevolverCommitment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_Other": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 6.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Other assets not specified.", "label": "Other", "verboseLabel": "Other" } } }, "localname": "Other", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "spr_OtherAssetsDetailsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Assets Details [Abstract]" } } }, "localname": "OtherAssetsDetailsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "spr_OtherAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Assets [Line Items]", "terseLabel": "Other Assets [Line Items]" } } }, "localname": "OtherAssetsLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "spr_OtherAssetsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Assets [Table]", "terseLabel": "Other Assets [Table]" } } }, "localname": "OtherAssetsTable", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "spr_OtherAssetsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other assets", "label": "Other Assets [Table Text Block]", "verboseLabel": "Other Assets" } } }, "localname": "OtherAssetsTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsTables" ], "xbrltype": "textBlockItemType" }, "spr_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentTotal": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Total", "terseLabel": "Net gain on foreign currency hedge contracts" } } }, "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentTotal", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "spr_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesRealizedInOtherAssetsNetOfTax": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Other Comprehensive Income Reclassification Adjustment On Derivatives Realized In Other Assets Net Of Tax", "label": "Other Comprehensive Income Reclassification Adjustment On Derivatives Realized In Other Assets Net Of Tax", "verboseLabel": "Less: reclassification adjustment for loss realized in net other assets, net of tax effect" } } }, "localname": "OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesRealizedInOtherAssetsNetOfTax", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "spr_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesRealizedInOtherAssetsTax": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Other Comprehensive Income Reclassification Adjustment On Derivatives Realized In Other Assets Tax", "label": "Other Comprehensive Income Reclassification Adjustment On Derivatives Realized In Other Assets Tax", "verboseLabel": "Other comprehensive income reclassification adjustment on derivatives realized in other assets, tax" } } }, "localname": "OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesRealizedInOtherAssetsTax", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "monetaryItemType" }, "spr_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTotal": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Total", "terseLabel": "Net (loss) gain on interest rate swaps" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTotal", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "spr_OtherComprehensiveIncomeUnrealizedGainLossOnIntercompanyLoanNetOfTax": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 3.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Net Of Tax", "label": "Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Net Of Tax", "verboseLabel": "Unrealized foreign exchange gain (loss) on intercompany loan, net of effect" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnIntercompanyLoanNetOfTax", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "spr_OtherComprehensiveIncomeUnrealizedGainLossOnIntercompanyLoanTax": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Tax\tVerbose en-US\tUnchecked", "label": "Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Tax", "verboseLabel": "Unrealized foreign exchange gain (loss) on intercompany loan, tax" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnIntercompanyLoanTax", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "monetaryItemType" }, "spr_OtherCountriesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other Countries [Member]", "label": "Other Countries [Member]", "terseLabel": "Other Countries [Member]", "verboseLabel": "Other [Member]" } } }, "localname": "OtherCountriesMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "domainItemType" }, "spr_OtherFinancingCashFlows": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Other Financing Cash Flows", "label": "Other Financing Cash Flows", "terseLabel": "Proceeds from (Payments for) Other Financing Activities", "verboseLabel": "Other Financing Cash Flows" } } }, "localname": "OtherFinancingCashFlows", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_OtherIncomeExpenseNetTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other Income Expense Net", "label": "Other Income Expense Net [Table Text Block]", "verboseLabel": "Other Income Expense Net" } } }, "localname": "OtherIncomeExpenseNetTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetTables" ], "xbrltype": "textBlockItemType" }, "spr_OtherInventoryCapitalizedCostsGrossreclassified": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Other Inventory, Capitalized Costs, Gross, reclassified", "label": "Other Inventory, Capitalized Costs, Gross, reclassified", "terseLabel": "Other Inventory, Capitalized Costs, Gross, reclassified" } } }, "localname": "OtherInventoryCapitalizedCostsGrossreclassified", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "spr_OtherInventoryMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Inventory [Member]", "verboseLabel": "Other [Member]" } } }, "localname": "OtherInventoryMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "domainItemType" }, "spr_OtherInvestingActivities": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Other Investing Activitie", "label": "Other Investing Activities", "negatedLabel": "Other", "terseLabel": "Other Investing Activities" } } }, "localname": "OtherInvestingActivities", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_OtherLiabilityDerivativesCurrentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Liability Derivatives Current [Member]", "terseLabel": "Other Liability Derivatives Current [Member]" } } }, "localname": "OtherLiabilityDerivativesCurrentMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "domainItemType" }, "spr_OtherLiabilityDerivativesNoncurrentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Liability Derivatives Noncurrent [Member]", "terseLabel": "Other Liability Derivatives Noncurrent [Member]" } } }, "localname": "OtherLiabilityDerivativesNoncurrentMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "domainItemType" }, "spr_OtherSystemsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Other Systems [Member]", "verboseLabel": "Other Systems [Member]" } } }, "localname": "OtherSystemsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_OtherplatformsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other platforms other than Boeing and Airbus platforms/programs [Member]", "label": "Other platforms [Member]", "terseLabel": "Other platforms [Member]" } } }, "localname": "OtherplatformsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "spr_OutstandingBalanceNotes": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Outstanding Balance Notes", "label": "Outstanding Balance Notes", "terseLabel": "Outstanding Balance Notes" } } }, "localname": "OutstandingBalanceNotes", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_OutstandingBalanceTermLoan": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Outstanding balance on term loan", "label": "Outstanding Balance Term Loan", "terseLabel": "Outstanding Balance Term Loan" } } }, "localname": "OutstandingBalanceTermLoan", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_PensionAndOtherPostRetirementBenefitPlansAnnualExpense": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Annual Expense", "label": "Pension and Other Post Retirement Benefit Plans Annual Expense", "verboseLabel": "Annual Expense" } } }, "localname": "PensionAndOtherPostRetirementBenefitPlansAnnualExpense", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PensionAndOtherPostRetirementBenefitsPlans10YearExpectedBenefitsPaid": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Total Benefits Expected To Be Paid Over Next Ten Years", "label": "Pension and Other Post Retirement Benefits Plans 10 Year Expected Benefits Paid", "verboseLabel": "Total Benefits Expected To Be Paid Over Next Ten Years" } } }, "localname": "PensionAndOtherPostRetirementBenefitsPlans10YearExpectedBenefitsPaid", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PensionAndOtherPostRetirementBenefitsPlansInvestmentObjectivesUsPlans": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "U.S. Plans Investment Objectives", "label": "Pension and Other Post Retirement Benefits Plans Investment Objectives U.S. Plans", "verboseLabel": "U.S. Plans Investment Objectives" } } }, "localname": "PensionAndOtherPostRetirementBenefitsPlansInvestmentObjectivesUsPlans", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PensionAndOtherPostRetirementBenefitsPlansPlanAssetsAtFairValue": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pension and Other Post Retirement Benefits Plans U.K. Investment Objectives", "label": "Pension and Other Post Retirement Benefits Plans Plan Assets at Fair Value", "verboseLabel": "Pension Plan Assets Measured at Fair Value on a Recurring Basis" } } }, "localname": "PensionAndOtherPostRetirementBenefitsPlansPlanAssetsAtFairValue", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PensionIncomeExpensewithoutServiceCost": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 8.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Pension Income (Expense) without Service Cost", "label": "Pension Income (Expense) without Service Cost", "terseLabel": "Pension Income (Expense) without Service Cost" } } }, "localname": "PensionIncomeExpensewithoutServiceCost", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "spr_PensionRelatedGainsincludedinUnallocatedcostsofsale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Pension Related Gains included in Unallocated costs of sale", "label": "Pension Related Gains included in Unallocated costs of sale", "terseLabel": "Pension Related Gains included in Unallocated costs of sale" } } }, "localname": "PensionRelatedGainsincludedinUnallocatedcostsofsale", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_PensionandOtherPostRetirementBenefitPlansAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pension and Other Post-Retirement Benefit Plans [Abstract]", "label": "Pension and Other Post-Retirement Benefit Plans [Abstract]" } } }, "localname": "PensionandOtherPostRetirementBenefitPlansAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_PensionandOtherPostRetirementBenefitsPlanU.S.AssetCatagoryTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Asset Category U.S.", "label": "Pension and Other Post Retirement Benefits Plan U.S. Asset Catagory [Table Text Block]", "verboseLabel": "Asset Category U.S." } } }, "localname": "PensionandOtherPostRetirementBenefitsPlanU.S.AssetCatagoryTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PensionandOtherPostRetirementBenefitsPlansU.K.AssetCategoryTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pension and Other Post Retirement Benefits Plans U.K.Asset Category", "label": "Pension and Other Post Retirement Benefits Plans U.K. Asset Category [Table Text Block]", "verboseLabel": "Asset Category U.K." } } }, "localname": "PensionandOtherPostRetirementBenefitsPlansU.K.AssetCategoryTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PensionandOtherPostRetirementBenefitsPlansU.K.InvestmentObjectivesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pension and Other Post Retirement Benefits Plans U.K. Investment Objectives", "label": "Pension and Other Post Retirement Benefits Plans U.K. Investment Objectives [Table Text Block]", "verboseLabel": "U.K. Plans Investment Objecives" } } }, "localname": "PensionandOtherPostRetirementBenefitsPlansU.K.InvestmentObjectivesTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "spr_PercentageOfInvestmentsHavingValueLessThanHistoricalCost": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Investments having value less than historical cost as a percentage of the total carrying value of the held-to-maturity securities", "label": "Percentage Of Investments Having Value Less Than Historical Cost", "verboseLabel": "Percentage Of Investments Having Value Less Than Historical Cost" } } }, "localname": "PercentageOfInvestmentsHavingValueLessThanHistoricalCost", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "percentItemType" }, "spr_PercentageOfNetRevenueDerivedFromTwoLargestCustomers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage Of Net Revenue Derived From Two Largest Customers", "label": "Percentage Of Net Revenue Derived From Two Largest Customers", "verboseLabel": "Percentage Of Net Revenue Derived From Two Largest Customers" } } }, "localname": "PercentageOfNetRevenueDerivedFromTwoLargestCustomers", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "percentItemType" }, "spr_Percentageofrepresentedworkers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "percentage of represented workers", "label": "percentage of represented workers", "terseLabel": "percentage of represented workers" } } }, "localname": "Percentageofrepresentedworkers", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "percentItemType" }, "spr_PhantomStockUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Subset of participating securities for which rights are non forfeitable and non transferable until the participant leaves the Company", "label": "Phantom Stock Units", "terseLabel": "Phantom Stock Units" } } }, "localname": "PhantomStockUnits", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails" ], "xbrltype": "sharesItemType" }, "spr_PhantomStockValuePerShare": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Subset of participating securities for which rights are non forfeitable and non transferable until the participant leaves the Company", "label": "Phantom Stock Value Per Share", "terseLabel": "Phantom Stock Value Per Share" } } }, "localname": "PhantomStockValuePerShare", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails" ], "xbrltype": "perShareItemType" }, "spr_PortionofSTIPPaidinCash": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portion of STIP Paid in Cash", "label": "Portion of STIP Paid in Cash", "terseLabel": "Portion of STIP Paid in Cash" } } }, "localname": "PortionofSTIPPaidinCash", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "percentItemType" }, "spr_PreTaxImpactonCapitalizedPreProductioninRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "PreTax Impact on Capitalized PreProduction in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "label": "PreTax Impact on Capitalized PreProduction in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "terseLabel": "PreTax Impact on Capitalized PreProduction in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]" } } }, "localname": "PreTaxImpactonCapitalizedPreProductioninRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_PreTaxImpactonDeferredProductioninRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "PreTax Impact on Deferred Production in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "label": "PreTax Impact on Deferred Production in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "terseLabel": "PreTax Impact on Deferred Production in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]" } } }, "localname": "PreTaxImpactonDeferredProductioninRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_PreTaxImpactonDeferredRevenueinRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "PreTax Impact on Deferred Revenue in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "label": "PreTax Impact on Deferred Revenue in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "terseLabel": "PreTax Impact on Deferred Revenue in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]" } } }, "localname": "PreTaxImpactonDeferredRevenueinRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_PreTaxImpactonForwardLossProvisioninRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "PreTax Impact on Forward Loss Provision in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "label": "PreTax Impact on Forward Loss Provision in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]", "terseLabel": "PreTax Impact on Forward Loss Provision in Retained Earnings Transition Adjustment Upon Adoption of AS014-09 [Member]" } } }, "localname": "PreTaxImpactonForwardLossProvisioninRetainedEarningsTransitionAdjustmentUponAdoptionofAS01409Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_PresentValueLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The discounted value of future cash flows under leases meeting the criteria for capitalization.", "label": "Present Value Leases [Member]", "terseLabel": "Present Value Leases [Member]" } } }, "localname": "PresentValueLeasesMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "domainItemType" }, "spr_ProceedsFromRepaymentsOfIntercompanyBorrowings": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Collection on (repayment of) intercompany debt", "label": "Proceeds From Repayments Of Intercompany Borrowings", "negatedLabel": "Collection on (repayment of) intercompany debt" } } }, "localname": "ProceedsFromRepaymentsOfIntercompanyBorrowings", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_ProceedsfromsubsidiarypaymentstoParenttopaydividends": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds from subsidiary (payments to Parent) to pay dividends", "label": "Proceeds from subsidiary (payments to Parent) to pay dividends", "negatedTerseLabel": "Proceeds from subsidiary (payments to Parent) to pay dividends" } } }, "localname": "ProceedsfromsubsidiarypaymentstoParenttopaydividends", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_ProductWarrantyAndExtraordinaryRework": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework.", "label": "Product Warranty And Extraordinary Rework", "periodEndLabel": "Product Warranty And Extraordinary Rework, Ending Balance", "periodStartLabel": "Product Warranty And Extraordinary Rework, Beginning Balance" } } }, "localname": "ProductWarrantyAndExtraordinaryRework", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ProductWarrantyAndExtraordinaryReworkAccrualAmountsIssued": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the aggregate increase in the liability for accruals related to standard and extended product warranties and extraordinary rework issued during the reporting period.", "label": "Product Warranty And Extraordinary Rework Accrual Amounts Issued", "negatedLabel": "Charges to costs and expenses", "negatedTerseLabel": "Charges to costs and expenses" } } }, "localname": "ProductWarrantyAndExtraordinaryReworkAccrualAmountsIssued", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ProductWarrantyAndExtraordinaryReworkWriteOffsNetOfRecoveries": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Product warranty and extraordinary rework write-offs, net of recoveries.", "label": "Product Warranty And Extraordinary Rework Write Offs Net Of Recoveries", "negatedLabel": "Write-offs, net of recoveries", "negatedTerseLabel": "Write-offs, net of recoveries" } } }, "localname": "ProductWarrantyAndExtraordinaryReworkWriteOffsNetOfRecoveries", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ProductWarrantyExtraordinaryReworkAccrualCurrencyTranslationIncreaseDecrease": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total increase (decrease) in the standard and extended product warranty and extraordinary rework liability due to currency translation.", "label": "Product Warranty Extraordinary Rework Accrual Currency Translation Increase Decrease", "negatedLabel": "Exchange rate", "negatedTerseLabel": "Exchange rate" } } }, "localname": "ProductWarrantyExtraordinaryReworkAccrualCurrencyTranslationIncreaseDecrease", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_PropertyPlantAndEquipmentTextualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Property Plant And Equipment Textuals [Abstract]", "verboseLabel": "Property Plant And Equipment Textuals [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentTextualsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "stringItemType" }, "spr_PropertyPlantEquipmentAndDeferredGrantIncomeLiability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Property Plant Equipment And Deferred Grant Income Liability", "label": "Property Plant Equipment And Deferred Grant Income Liability", "verboseLabel": "Property Plant Equipment And Deferred Grant Income Liability" } } }, "localname": "PropertyPlantEquipmentAndDeferredGrantIncomeLiability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/GovernmentGrantsDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "spr_PropulsionSystemsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Propulsion Systems [Member]", "terseLabel": "Propulsion Systems [Member]" } } }, "localname": "PropulsionSystemsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_ProvisionforLossonContactsNonCurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Provision for Loss on Contacts, Non Current", "label": "Provision for Loss on Contacts, Non Current", "terseLabel": "Provision for Loss on Contacts, Non Current" } } }, "localname": "ProvisionforLossonContactsNonCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "spr_ProvisionforLossonContractsGross": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Provision for Loss on Contracts, Gross", "label": "Provision for Loss on Contracts, Gross", "terseLabel": "Provision for Loss on Contracts, Gross" } } }, "localname": "ProvisionforLossonContractsGross", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2" ], "xbrltype": "monetaryItemType" }, "spr_ProvisionforLossonContractsInventory": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": 3.0, "parentTag": "us-gaap_InventoryNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Provision for Loss on Contracts, Inventory", "label": "Provision for Loss on Contracts, Inventory", "terseLabel": "Provision for Loss on Contracts, Inventory" } } }, "localname": "ProvisionforLossonContractsInventory", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "spr_PurchaseOfPropertyPlantAndEquipmentSevereWeatherEvent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Purchase of property plant and equipment related to severe weather event", "label": "Purchase Of Property Plant And Equipment Severe Weather Event", "negatedTerseLabel": "Purchase of property, plant and equipment \u2014 severe weather event" } } }, "localname": "PurchaseOfPropertyPlantAndEquipmentSevereWeatherEvent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "spr_QuarterlyInformationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Quarterly Information [Line Items]", "terseLabel": "Quarterly Information [Line Items]" } } }, "localname": "QuarterlyInformationLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "stringItemType" }, "spr_ReclassificationPPE": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Reclassification of capitalized software to machinery and equipment", "label": "Reclassification - PPE", "terseLabel": "Reclassification - PPE" } } }, "localname": "ReclassificationPPE", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_Reclassificationinventory": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Reclassification of work-in-process to forward loss provision.", "label": "Reclassification - inventory", "terseLabel": "Reclassification - inventory" } } }, "localname": "Reclassificationinventory", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "spr_RedeemedNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Redeemed Notes [Member]", "label": "Redeemed Notes [Member]", "terseLabel": "Redeemed Notes [Member]" } } }, "localname": "RedeemedNotesMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_RemainingPerformanceObligationsYearofExpectedSatisfactionAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Remaining Performance Obligations, Year of Expected Satisfaction [Axis]", "label": "Remaining Performance Obligations, Year of Expected Satisfaction [Axis]", "terseLabel": "Remaining Performance Obligations, Year of Expected Satisfaction [Axis]" } } }, "localname": "RemainingPerformanceObligationsYearofExpectedSatisfactionAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "spr_RemainingPerformanceObligationsYearofExpectedSatisfactionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Remaining Performance Obligations, Year of Expected Satisfaction [Axis]", "label": "Remaining Performance Obligations, Year of Expected Satisfaction [Domain]", "terseLabel": "Remaining Performance Obligations, Year of Expected Satisfaction [Domain]" } } }, "localname": "RemainingPerformanceObligationsYearofExpectedSatisfactionDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "spr_RequiredHolderstoDeclareNotesUnderDefault": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Required Holders to Declare Notes Under Default", "label": "Required Holders to Declare Notes Under Default", "terseLabel": "Required Holders to Declare Notes Under Default" } } }, "localname": "RequiredHolderstoDeclareNotesUnderDefault", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_Researchanddevelopmentexpensereclassification": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "research and development expense reclassification", "label": "research and development expense reclassification", "terseLabel": "research and development expense reclassification" } } }, "localname": "Researchanddevelopmentexpensereclassification", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_RestrictedShareActivityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Restricted Share Activity [Roll Forward]", "label": "Restricted Share Activity [Roll Forward]", "terseLabel": "Restricted Share Activity [Roll Forward]" } } }, "localname": "RestrictedShareActivityRollForward", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "stringItemType" }, "spr_RevenueMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Revenue [Member]", "terseLabel": "Revenue [Member]" } } }, "localname": "RevenueMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_RevenueReductionConsiderationGivenByVendorToCustomer": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Reduction in revenue due to amortization of consideration of a vendor given to a customer", "label": "Revenue Reduction Consideration Given By Vendor To Customer", "terseLabel": "Revenue Reduction Consideration Given By Vendor To Customer" } } }, "localname": "RevenueReductionConsiderationGivenByVendorToCustomer", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_RollsRoyceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Rolls-Royce [Member]", "label": "Rolls-Royce [Member]", "terseLabel": "Rolls-Royce [Member]" } } }, "localname": "RollsRoyceMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails4" ], "xbrltype": "domainItemType" }, "spr_SERPunits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Balance of subset of participating securities for which rights are non forfeitable and nontransferable until the participant leaves the company", "label": "SERP units", "terseLabel": "SERP units" } } }, "localname": "SERPunits", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails" ], "xbrltype": "sharesItemType" }, "spr_SaintNazaireMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Saint Nazaire [Member]", "verboseLabel": "Saint Nazaire [Member]" } } }, "localname": "SaintNazaireMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_ScheduleOfFutureMinimumLeaseOrRentalPaymentsForLeasesTableTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of future minimum rental payments for operating leases and in the case of capital leases, lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.", "label": "Schedule Of Future Minimum Lease Or Rental Payments For Leases Table [Table Text Block]", "terseLabel": "Schedule Of Future Minimum Lease Or Rental Payments For Leases Table [Text Block]" } } }, "localname": "ScheduleOfFutureMinimumLeaseOrRentalPaymentsForLeasesTableTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesTables" ], "xbrltype": "textBlockItemType" }, "spr_ScheduleOfOperatingLeaseExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule Of Operating Lease Expenses", "label": "Schedule Of Operating Lease Expenses [Table Text Block]", "terseLabel": "Schedule Of Operating Lease Expenses" } } }, "localname": "ScheduleOfOperatingLeaseExpensesTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesTables" ], "xbrltype": "textBlockItemType" }, "spr_ScheduleofEstimatedUsefulLifeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Estimated Useful Life [Table Text Block]", "label": "Schedule of Estimated Useful Life [Table Text Block]", "terseLabel": "Schedule of Estimated Useful Life" } } }, "localname": "ScheduleofEstimatedUsefulLifeTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "spr_ScheduleofProspectiveAdoptionofNewAccountingPronouncementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Prospective Adoption of New Accounting Pronouncements [Abstract]", "label": "Schedule of Prospective Adoption of New Accounting Pronouncements [Abstract]" } } }, "localname": "ScheduleofProspectiveAdoptionofNewAccountingPronouncementsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "xbrltype": "stringItemType" }, "spr_ScheduleoftheWarrantyandExtraordinaryReworkProvisionTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of the Warranty and Extraordinary Rework Provision [Table Text Block]", "label": "Schedule of the Warranty and Extraordinary Rework Provision [Table Text Block]", "terseLabel": "Schedule of the Warranty and Extraordinary Rework Provision" } } }, "localname": "ScheduleoftheWarrantyandExtraordinaryReworkProvisionTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "spr_SecuredDebtOutstanding": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Outstanding amount as of the balance sheet date , including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.", "label": "Secured Debt Outstanding", "terseLabel": "Secured Debt Outstanding" } } }, "localname": "SecuredDebtOutstanding", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_SecuredDebtTermAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Secured Debt Term A [Member]", "label": "Secured Debt Term A [Member]", "terseLabel": "Secured Debt Term A [Member]" } } }, "localname": "SecuredDebtTermAMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SecuredDebtTermBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Secured Debt Term B [Member]", "label": "Secured Debt Term B [Member]", "terseLabel": "Secured Debt Term B [Member]" } } }, "localname": "SecuredDebtTermBMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SegmentGeographicalGroupsOfCountriesGroupThreeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Segment, Geographical, Groups of Countries, Group Three [Member]", "verboseLabel": "Total International [Member]" } } }, "localname": "SegmentGeographicalGroupsOfCountriesGroupThreeMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "domainItemType" }, "spr_SegmentInformationUnallocatedCorporateSellingGeneralAndAdministrative": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "egment Information Unallocated Corporate Selling General And Administrative", "label": "Segment Information Unallocated Corporate Selling General And Administrative", "negatedLabel": "Corporate SG&A (2)" } } }, "localname": "SegmentInformationUnallocatedCorporateSellingGeneralAndAdministrative", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_SegmentInformationUnallocatedCostOfSales": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Segment Information Unallocated Cost Of Sales", "label": "Segment Information Unallocated Cost Of Sales", "negatedLabel": "Unallocated cost of sales" } } }, "localname": "SegmentInformationUnallocatedCostOfSales", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_SegmentInformationUnallocatedImpactOfSevereWeatherEvent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Unallocated impact of severe weather event.", "label": "Segment Information Unallocated Impact Of Severe Weather Event", "negatedTerseLabel": "Unallocated impact of severe weather event" } } }, "localname": "SegmentInformationUnallocatedImpactOfSevereWeatherEvent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_SegmentInformationUnallocatedResearchAndDevelopment": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Segment Information Unallocated Research And Development", "label": "Segment Information Unallocated Research And Development", "negatedLabel": "Research and development" } } }, "localname": "SegmentInformationUnallocatedResearchAndDevelopment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_Sellinggeneralandadministrativeexpensereclassification": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "selling, general and administrative expense reclassification", "label": "selling, general and administrative expense reclassification", "terseLabel": "selling, general and administrative expense reclassification" } } }, "localname": "Sellinggeneralandadministrativeexpensereclassification", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_SeniorSecuredCreditFacilityTermLiborFloor": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Secured Credit Facility Term Libor Floor", "label": "Senior Secured Credit Facility Term Libor Floor", "terseLabel": "Senior Secured Credit Facility Term Libor Floor" } } }, "localname": "SeniorSecuredCreditFacilityTermLiborFloor", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "spr_SeniorSecuredDebtToEbitdaRatioRequiredForStepDown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Secured Debt to EBITDA Ratio Required For Step Down", "label": "Senior Secured Debt to EBITDA Ratio Required For Step Down", "terseLabel": "Senior Secured Debt to EBITDA Ratio Required For Step Down" } } }, "localname": "SeniorSecuredDebtToEbitdaRatioRequiredForStepDown", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "pureItemType" }, "spr_SeniorSecuredLeverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior secured leverage ratio", "label": "Senior Secured Leverage Ratio", "terseLabel": "Senior Secured Leverage Ratio" } } }, "localname": "SeniorSecuredLeverageRatio", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "pureItemType" }, "spr_SeniorUnsecuredNotes2026MemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes 2026 [Member]", "label": "Senior Unsecured Notes 2026 [Member] [Domain]", "terseLabel": "Senior Unsecured Notes 2026 [Member] [Domain]" } } }, "localname": "SeniorUnsecuredNotes2026MemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDue2021MemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes Due 2021 [Member]", "label": "Senior Unsecured Notes Due 2021 [Member] [Domain]", "terseLabel": "Senior Unsecured Notes Due 2021 [Member] [Domain]" } } }, "localname": "SeniorUnsecuredNotesDue2021MemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDue2022Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes Due 2022 [Member]", "label": "Senior Unsecured Notes Due 2022 [Member]", "terseLabel": "Senior Unsecured Notes Due 2022 [Member]" } } }, "localname": "SeniorUnsecuredNotesDue2022Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDue2023Domain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes Due 2023", "label": "Senior Unsecured Notes Due 2023 [Domain]", "terseLabel": "Senior Unsecured Notes Due 2023 [Member] [Domain]" } } }, "localname": "SeniorUnsecuredNotesDue2023Domain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDue2026Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes Due 2026 [Member]", "label": "Senior Unsecured Notes Due 2026 [Member]", "terseLabel": "Senior Unsecured Notes Due 2026 [Member]" } } }, "localname": "SeniorUnsecuredNotesDue2026Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDue2028Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes Due 2028 [Member]", "label": "Senior Unsecured Notes Due 2028 [Member]", "terseLabel": "Senior Unsecured Notes Due 2028 [Member]" } } }, "localname": "SeniorUnsecuredNotesDue2028Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDueTwoThousandAndSeventeenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Senior Unsecured Notes Due Two Thousand And Seventeen [Member]", "terseLabel": "Senior Unsecured Notes Due Two Thousand And Seventeen [Member]", "verboseLabel": "Senior Unsecured Notes Due 2017 [Member]" } } }, "localname": "SeniorUnsecuredNotesDueTwoThousandAndSeventeenMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesDueTwoThousandAndTwentyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Senior Unsecured Notes Due Two Thousand And Twenty [Member]", "terseLabel": "Senior Unsecured Notes Due Two Thousand And Twenty [Member]", "verboseLabel": "Senior Unsecured Notes Due 2020 [Member]" } } }, "localname": "SeniorUnsecuredNotesDueTwoThousandAndTwentyMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "spr_SeniorUnsecuredNotesdue2023and2028Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Unsecured Notes due 2023 and 2028 [Member]", "label": "Senior Unsecured Notes due 2023 and 2028 [Member]", "terseLabel": "Senior Unsecured Notes due 2023 and 2028 [Member]" } } }, "localname": "SeniorUnsecuredNotesdue2023and2028Member", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_SeniorunsecuredtermloanAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior unsecured term loan A [Member]", "label": "Senior unsecured term loan A [Member]", "terseLabel": "Senior unsecured term loan A [Member]" } } }, "localname": "SeniorunsecuredtermloanAMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_SerpAndPostRetirementMedicalPlanContributionsMaximum": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "SERP and post-retirement medical plan contributions maximum amount expected to be contributed", "label": "Serp And Post Retirement Medical Plan Contributions Maximum", "terseLabel": "Serp And Post Retirement Medical Plan Contributions Maximum" } } }, "localname": "SerpAndPostRetirementMedicalPlanContributionsMaximum", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "monetaryItemType" }, "spr_ServiceBasedLTIAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Service Based LTIA [Member]", "label": "Service Based LTIA [Member]", "terseLabel": "Service Based LTIA [Member]" } } }, "localname": "ServiceBasedLTIAMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_ServiceBasedLTIPVestingPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Service Based LTIP Vesting Period", "label": "Service Based LTIP Vesting Period", "terseLabel": "Service Based LTIP Vesting Period" } } }, "localname": "ServiceBasedLTIPVestingPeriod", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "durationItemType" }, "spr_ServiceBasedPortionofLTIA": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Service Based Portion of LTIA", "label": "Service Based Portion of LTIA", "terseLabel": "Service Based Portion of LTIA" } } }, "localname": "ServiceBasedPortionofLTIA", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "percentItemType" }, "spr_ServiceandProductWarrantiesAndExtraordinaryReworkPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for service and product warranties and extraordinary rework including the methodology for measuring the liability.", "label": "Service and Product Warranties And Extraordinary Rework [Policy Text Block]", "terseLabel": "Service and Product Warranties And Extraordinary Rework Provision" } } }, "localname": "ServiceandProductWarrantiesAndExtraordinaryReworkPolicyTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "spr_SevereWeatherEventCharge": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The charge taken on the income statement included in operating income for property damage, clean up and recovery costs related to a tornado. Also includes expenses incurred to make up for production interruption and reduce further disruption.", "label": "Severe Weather Event Charge", "terseLabel": "Impact from severe weather event" } } }, "localname": "SevereWeatherEventCharge", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "monetaryItemType" }, "spr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodVestingInstallments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period, Vesting Installments", "label": "Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period, Vesting Installments", "terseLabel": "Annual vesting installments, beginning on the one-year or two-year anniversary" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodVestingInstallments", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "integerItemType" }, "spr_ShareBasedCompensationArrangementGrantDateWeightedAverageFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.", "label": "Share Based Compensation Arrangement Grant Date Weighted Average Fair Value", "periodStartLabel": "Nonvested, beginning balance, value", "terseLabel": "Nonvested, ending balance, value" } } }, "localname": "ShareBasedCompensationArrangementGrantDateWeightedAverageFairValue", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "spr_SharesVested": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number off shares of stock vested in the period", "label": "Shares Vested", "terseLabel": "Shares Vested" } } }, "localname": "SharesVested", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "spr_ShortTermIncentivePlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Short Term Incentive Plan [Member]", "verboseLabel": "Short Term Incentive Plan [Member]" } } }, "localname": "ShortTermIncentivePlanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_SikorskyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Sikorsky [Member]", "terseLabel": "Sikorsky [Member]" } } }, "localname": "SikorskyMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "domainItemType" }, "spr_StatementDefinedContributionPlansLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Statement Defined Contribution Plans [Line Items]", "terseLabel": "Statement Defined Contribution Plans [Line Items]" } } }, "localname": "StatementDefinedContributionPlansLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "spr_SummaryOfInventoriesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Summary Of Inventories [Abstract]", "verboseLabel": "Summary Of Inventories [Abstract]" } } }, "localname": "SummaryOfInventoriesAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "stringItemType" }, "spr_SummaryOfInventoriesByPlatformTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Summary Of Inventories By Platform", "label": "Summary Of Inventories By Platform [Table Text Block]", "verboseLabel": "Summary Of Inventories By Platform" } } }, "localname": "SummaryOfInventoriesByPlatformTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryTables" ], "xbrltype": "textBlockItemType" }, "spr_SummaryOfInventoriesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Summary Of Inventories", "label": "Summary Of Inventories [Table Text Block]", "verboseLabel": "Summary Of Inventories" } } }, "localname": "SummaryOfInventoriesTableTextBlock", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryTables" ], "xbrltype": "textBlockItemType" }, "spr_SummaryPretaxIncomeAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Summary Pretax Income [Abstract]", "terseLabel": "Summary Pretax Income [Abstract]" } } }, "localname": "SummaryPretaxIncomeAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "spr_SupplementalRetirementPlanSharesIssued": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Shares to be issued pursuant to supplemental retirement share plan for eligible employees.", "label": "Supplemental Retirement Plan Shares Issued", "verboseLabel": "SERP shares issued" } } }, "localname": "SupplementalRetirementPlanSharesIssued", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "sharesItemType" }, "spr_SupplementalRetirementPlanSharesIssuedValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Supplemental Retirement Plan Shares Issued Value", "label": "Supplemental Retirement Plan Shares Issued Value", "terseLabel": "Supplemental Retirement Plan Shares Issued Value" } } }, "localname": "SupplementalRetirementPlanSharesIssuedValue", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "spr_Surchargemultiemployerplans": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Surcharge, multiemployer plans", "label": "Surcharge, multiemployer plans", "terseLabel": "Surcharge, multiemployer plans" } } }, "localname": "Surchargemultiemployerplans", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "spr_TaikooSpiritAerosystemsCompositeCoLtdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Taikoo Spirit AeroSystems Composite Co Ltd [Member]", "terseLabel": "Taikoo Spirit AeroSystems Composite Co Ltd [Member]" } } }, "localname": "TaikooSpiritAerosystemsCompositeCoLtdMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_TaxCreditExpectedUtilization": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount recorded as of the balance sheet date pertaining to the specified deferred tax asset that is expected to be realized through related deductions on future tax returns.", "label": "Tax Credit Expected Utilization", "terseLabel": "Tax Credit Expected Utilization" } } }, "localname": "TaxCreditExpectedUtilization", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "spr_TaxExemptBonds": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amounts associated with utilization of city and State issued bonds.", "label": "Tax Exempt Bonds", "terseLabel": "Tax Exempt Bonds" } } }, "localname": "TaxExemptBonds", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "spr_TemporaryCashInvestmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Temporary Cash Investments [Member]", "terseLabel": "Temporary Cash Investments [Member]" } } }, "localname": "TemporaryCashInvestmentsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "spr_TermAswapMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term A swap [Member]", "label": "Term A swap [Member]", "terseLabel": "Term A swap [Member]" } } }, "localname": "TermAswapMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_TermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Term Loan Facility [Member]", "terseLabel": "Term Loan Facility [Member]" } } }, "localname": "TermLoanFacilityMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_TextualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Textuals [Abstract]", "terseLabel": "Textuals [Abstract]" } } }, "localname": "TextualsAbstract", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "spr_TextualsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Textuals [Line Items]", "terseLabel": "Textuals [Line Items]" } } }, "localname": "TextualsLineItems", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "spr_ThirdPartyFees": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "ThirdPartyFees", "label": "ThirdPartyFees", "terseLabel": "ThirdPartyFees" } } }, "localname": "ThirdPartyFees", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_ToolingAirplaneProgramAllOthersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Tooling Airplane Program All Others [Member]", "terseLabel": "Tooling Airplane Program All Others [Member]" } } }, "localname": "ToolingAirplaneProgramAllOthersMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_ToolingAirplaneProgramB787RollsRoyceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Tooling Airplane Program B787 Rolls Royce [Member]", "terseLabel": "Tooling Airplane Program B787 Rolls Royce [Member]" } } }, "localname": "ToolingAirplaneProgramB787RollsRoyceMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_ToolingGross": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Gross tooling", "label": "Tooling Gross", "verboseLabel": "Tooling" } } }, "localname": "ToolingGross", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "spr_TotalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Total [Member]", "terseLabel": "Total [Member]" } } }, "localname": "TotalMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "spr_TotalPercentageLongLivedAssets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Total Percentage Long Lived Assets", "terseLabel": "Total Percentage Long Lived Assets" } } }, "localname": "TotalPercentageLongLivedAssets", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "percentItemType" }, "spr_TotalPercentageRevenues": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Total Percentage Revenues", "terseLabel": "Total Percentage Revenues" } } }, "localname": "TotalPercentageRevenues", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "percentItemType" }, "spr_TotalSharesAuthorized": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The maximum number of shares common and preferred, permitted to be issued by an entity's chanrter and bylaws.", "label": "Total Shares Authorized", "terseLabel": "Total Shares Authorized" } } }, "localname": "TotalSharesAuthorized", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails" ], "xbrltype": "sharesItemType" }, "spr_TotalTargetAllocation": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Total Target Allocation", "terseLabel": "Total Target Allocation" } } }, "localname": "TotalTargetAllocation", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "percentItemType" }, "spr_Totalpaymentofswapsettlement": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "total payment of swap settlement", "label": "total payment of swap settlement", "terseLabel": "total payment of swap settlement" } } }, "localname": "Totalpaymentofswapsettlement", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "spr_TransitionAdjustment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Transition Adjustment, net of tax, due to the Adoption of ASU 2014-09", "label": "Transition Adjustment", "terseLabel": "Transition Adjustment" } } }, "localname": "TransitionAdjustment", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_TransitionAdjustmentcontractasset": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Transition Adjustment, ASU 2014-09, contract asset", "label": "Transition Adjustment - contract asset", "terseLabel": "Transition Adjustment - contract asset" } } }, "localname": "TransitionAdjustmentcontractasset", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_TransitionAdjustmentcontractliability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Transition Adjustment, ASU 2014-09, contract liability", "label": "Transition Adjustment - contract liability", "terseLabel": "Transition Adjustment - contract liability" } } }, "localname": "TransitionAdjustmentcontractliability", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_TransitionAdjustmentdeferredproductioncosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Transition Adjustment, ASU 2014-09 - deferred production costs", "label": "Transition Adjustment - deferred production costs", "terseLabel": "Transition Adjustment - deferred production costs" } } }, "localname": "TransitionAdjustmentdeferredproductioncosts", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/InventoryDetails2" ], "xbrltype": "monetaryItemType" }, "spr_TransitionAdjustmentforwardlossreserves": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Transition Adjustment, ASU 2014-09, forward loss reserves", "label": "Transition Adjustment - forward loss reserves", "terseLabel": "Transition Adjustment - forward loss reserves" } } }, "localname": "TransitionAdjustmentforwardlossreserves", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "monetaryItemType" }, "spr_Transitionadjustmentcapitalizedcostspretax": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Transition adjustment - capitalized costs (pretax)", "label": "Transition adjustment - capitalized costs (pretax)", "terseLabel": "Transition adjustment - capitalized costs (pretax)" } } }, "localname": "Transitionadjustmentcapitalizedcostspretax", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2" ], "xbrltype": "monetaryItemType" }, "spr_TwentyTwelveSeniorSecuredCreditFacilityEffectiveStepDownDateTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Twenty Twelve Senior Secured Credit Facility Effective Step Down Date Term", "label": "Twenty Twelve Senior Secured Credit Facility Effective Step Down Date Term", "terseLabel": "Twenty Twelve Senior Secured Credit Facility Effective Step Down Date Term" } } }, "localname": "TwentyTwelveSeniorSecuredCreditFacilityEffectiveStepDownDateTerm", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "dateItemType" }, "spr_TwentyTwelveSeniorSecuredCreditFacilityRevolverMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Twenty Twelve Senior Secured Credit Facility Revolver [Member]", "terseLabel": "Twenty Twelve Senior Secured Credit Facility Revolver [Member]" } } }, "localname": "TwentyTwelveSeniorSecuredCreditFacilityRevolverMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_TwentyTwelveSeniorSecuredCreditFacilityTermLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Twenty Twelve Senior Secured Credit Facility Term Loan [Member]", "terseLabel": "Twenty Twelve Senior Secured Credit Facility Term Loan [Member]" } } }, "localname": "TwentyTwelveSeniorSecuredCreditFacilityTermLoanMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "spr_UAWLevelofContributionperhour": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "UAWLevel of Contribution per hour", "label": "UAW Level of Contribution per hour", "terseLabel": "UAW Level of Contribution per hour" } } }, "localname": "UAWLevelofContributionperhour", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "decimalItemType" }, "spr_UawMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "UAW [Member]", "terseLabel": "UAW [Member]" } } }, "localname": "UawMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "spr_UkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "U.K. [Member]", "terseLabel": "U.K. [Member]" } } }, "localname": "UkMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6", "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "spr_UnbilledReceivableNonCurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 7.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Unbilled Receivable, Non Current", "label": "Unbilled Receivable, Non Current", "terseLabel": "Unbilled Receivable, Non Current" } } }, "localname": "UnbilledReceivableNonCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "spr_UnionMemberDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Union Member [Domain]", "terseLabel": "Union Member [Domain]" } } }, "localname": "UnionMemberDomain", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "spr_UnionsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Unions [Axis]", "terseLabel": "Unions [Axis]" } } }, "localname": "UnionsAxis", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "spr_UniteStatesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Unite States [Member]", "label": "Unite States [Member]", "terseLabel": "United States [Member]" } } }, "localname": "UniteStatesMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "domainItemType" }, "spr_UsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "U.S. [Member]", "terseLabel": "U.S. [Member]" } } }, "localname": "UsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "domainItemType" }, "spr_ValuationAllowancesandReservesDepreciationandAmortization": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Valuation Allowances and Reserves, Depreciation and Amortization", "label": "Valuation Allowances and Reserves, Depreciation and Amortization", "terseLabel": "Valuation Allowances and Reserves, Depreciation and Amortization" } } }, "localname": "ValuationAllowancesandReservesDepreciationandAmortization", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ValuationAllowancesandReservesDomesticDeferredTaxAsset": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Valuation Allowances and Reserves, Domestic Deferred Tax Asset", "label": "Valuation Allowances and Reserves, Domestic Deferred Tax Asset", "terseLabel": "Valuation Allowances and Reserves, Domestic Deferred Tax Asset" } } }, "localname": "ValuationAllowancesandReservesDomesticDeferredTaxAsset", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ValuationAllowancesandReservesLongTermContracts": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "ValuationAllowancesandReservesLongTermContracts", "label": "ValuationAllowancesandReservesLongTermContracts", "terseLabel": "ValuationAllowancesandReservesLongTermContracts" } } }, "localname": "ValuationAllowancesandReservesLongTermContracts", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_ValuationAllowancesandReservesOther": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Valuation Allowances and Reserves, Other", "label": "Valuation Allowances and Reserves, Other", "terseLabel": "Valuation Allowances and Reserves, Other" } } }, "localname": "ValuationAllowancesandReservesOther", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "spr_Valuationallowancereleasetotal": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "valuation allowance release - total", "label": "valuation allowance release - total", "terseLabel": "valuation allowance release - total" } } }, "localname": "Valuationallowancereleasetotal", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "spr_Vestingyearsputative": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vesting years, putative", "label": "Vesting years, putative", "terseLabel": "Vesting years, putative" } } }, "localname": "Vestingyearsputative", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "durationItemType" }, "spr_WarrantyAndExtraordinaryReworkReserveCurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 6.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework, current.", "label": "Warranty And Extraordinary Rework Reserve Current", "terseLabel": "Warranty/extraordinary rework reserve \u2014 current" } } }, "localname": "WarrantyAndExtraordinaryReworkReserveCurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_WarrantyAndExtraordinaryReworkReserveNoncurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 1.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework, noncurrent", "label": "Warranty and Extraordinary Rework Reserve Noncurrent", "terseLabel": "Warranty/extraordinary rework reserve \u2014 non-current" } } }, "localname": "WarrantyAndExtraordinaryReworkReserveNoncurrent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "spr_WingSystemsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "-- None. No documentation exists for this element. --", "label": "Wing Systems [Member]", "terseLabel": "Wing Systems [Member]" } } }, "localname": "WingSystemsMember", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "spr_YearCompanyContributionsExceed5Percent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Year company multi-employer contributions to plan exceed more than 5% of total contributions", "label": "Year Company Contributions Exceed 5 Percent", "terseLabel": "Year Company Contributions Exceed 5 Percent" } } }, "localname": "YearCompanyContributionsExceed5Percent", "nsuri": "http://www.spiritaerosystems.com/20191231", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Condensed Financial Information Disclosure [Abstract]" } } }, "localname": "CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract", "nsuri": "http://fasb.org/srt/2019-01-31", "xbrltype": "stringItemType" }, "srt_CondensedFinancialStatementsCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Condensed Financial Statements, Captions [Line Items]", "terseLabel": "Condensed Financial Statements, Captions [Line Items]" } } }, "localname": "CondensedFinancialStatementsCaptionsLineItems", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesAxis": { "auth_ref": [ "r677", "r688" ], "lang": { "en-US": { "role": { "documentation": "Information by consolidated entity or group of entities.", "label": "Consolidated Entities [Axis]", "terseLabel": "Consolidated Entities [Axis]" } } }, "localname": "ConsolidatedEntitiesAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entity or group of entities consolidated into reporting entity.", "label": "Consolidated Entities [Domain]", "terseLabel": "Consolidated Entities [Domain]" } } }, "localname": "ConsolidatedEntitiesDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationEliminationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Eliminating entries used in consolidating a parent entity and its subsidiaries.", "label": "Consolidation, Eliminations [Member]", "terseLabel": "Consolidation, Eliminations [Member]" } } }, "localname": "ConsolidationEliminationsMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationItemsAxis": { "auth_ref": [ "r201", "r210" ], "lang": { "en-US": { "role": { "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.", "label": "Consolidation Items [Axis]", "terseLabel": "Consolidation Items [Axis]" } } }, "localname": "ConsolidationItemsAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidationItemsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.", "label": "Consolidation Items [Domain]", "terseLabel": "Consolidation Items [Domain]" } } }, "localname": "ConsolidationItemsDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_EquityMethodInvesteeNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of investment, including named security. Excludes consolidated entity.", "label": "Investment, Name [Domain]", "terseLabel": "Equity Method Investee, Name [Domain]" } } }, "localname": "EquityMethodInvesteeNameDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "srt_MajorCustomersAxis": { "auth_ref": [ "r214", "r319", "r324", "r666" ], "lang": { "en-US": { "role": { "documentation": "Information by name or description of a single external customer or a group of external customers.", "label": "Customer [Axis]", "terseLabel": "Customer [Axis]" } } }, "localname": "MajorCustomersAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Upper limit of the provided range.", "label": "Maximum [Member]", "terseLabel": "Maximum [Member]" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lower limit of the provided range.", "label": "Minimum [Member]", "terseLabel": "Minimum [Member]" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "srt_NameOfMajorCustomerDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Single external customer or group of external customers.", "label": "Customer [Domain]", "terseLabel": "Customer [Domain]" } } }, "localname": "NameOfMajorCustomerDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "domainItemType" }, "srt_NonGuarantorSubsidiariesMember": { "auth_ref": [ "r292", "r691" ], "lang": { "en-US": { "role": { "documentation": "Entity owned or controlled by another entity which has not guaranteed the issue of securities by another subsidiary of the parent or has not guaranteed the issue of securities by the parent.", "label": "Non-Guarantor Subsidiaries [Member]", "terseLabel": "Non-Guarantor Subsidiaries [Member]" } } }, "localname": "NonGuarantorSubsidiariesMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_ParentCompanyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The registrant that controls, directly or indirectly, another entity (or entities). The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree.", "label": "Parent Company [Member]", "terseLabel": "Parent Company [Member]" } } }, "localname": "ParentCompanyMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r211", "r319", "r322", "r660", "r664" ], "lang": { "en-US": { "role": { "documentation": "Information by product and service, or group of similar products and similar services.", "label": "Product and Service [Axis]", "terseLabel": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails", "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Product or service, or a group of similar products or similar services.", "label": "Product and Service [Domain]", "terseLabel": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails", "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/InventoryDetails2", "http://www.spiritaerosystems.com/role/InventoryDetails4", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Domain]", "terseLabel": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "srt_ScheduleOfCondensedBalanceSheetTableTextBlock": { "auth_ref": [ "r692" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations.", "label": "Condensed Balance Sheet [Table Text Block]", "terseLabel": "Condensed Consolidating Balance Sheet" } } }, "localname": "ScheduleOfCondensedBalanceSheetTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfCondensedCashFlowStatementTableTextBlock": { "auth_ref": [ "r692" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations.", "label": "Condensed Cash Flow Statement [Table Text Block]", "terseLabel": "Condensed Consolidating Statements of Cash Flows" } } }, "localname": "ScheduleOfCondensedCashFlowStatementTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfCondensedFinancialStatementsTable": { "auth_ref": [ "r153", "r484", "r690", "r693", "r694", "r695" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about condensed financial statements, including, but not limited to, the balance sheet, income statement, and statement of cash flows.", "label": "Condensed Financial Statements [Table]", "terseLabel": "Schedule of Condensed Financial Statements [Table]" } } }, "localname": "ScheduleOfCondensedFinancialStatementsTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ScheduleOfCondensedIncomeStatementTableTextBlock": { "auth_ref": [ "r692" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed income statement, including, but not limited to, income statements of consolidated entities and consolidation eliminations.", "label": "Condensed Income Statement [Table Text Block]", "terseLabel": "Condensed Consolidating Statements of Operations" } } }, "localname": "ScheduleOfCondensedIncomeStatementTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": { "auth_ref": [ "r235" ], "lang": { "en-US": { "role": { "documentation": "Information by name of investment, including named security. Excludes consolidated entity.", "label": "Investment, Name [Axis]", "terseLabel": "Schedule of Equity Method Investment, Equity Method Investee, Name [Axis]" } } }, "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "srt_SegmentGeographicalDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Geographical area.", "label": "Geographical [Domain]", "terseLabel": "Geographical [Domain]" } } }, "localname": "SegmentGeographicalDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1", "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "srt_StatementGeographicalAxis": { "auth_ref": [ "r213", "r319", "r323", "r665", "r673", "r676", "r687", "r689" ], "lang": { "en-US": { "role": { "documentation": "Information by geographical components.", "label": "Geographical [Axis]", "terseLabel": "Geographical [Axis]" } } }, "localname": "StatementGeographicalAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1", "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r278", "r591" ], "lang": { "en-US": { "role": { "documentation": "Information by scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Axis]", "terseLabel": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "srt_SubsidiaryIssuerMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A company controlled, directly or indirectly, by its parent, which has issued securities and those securities are guaranteed by its parent and another subsidiary of the parent.", "label": "Subsidiary Issuer [Member]", "terseLabel": "Subsidiary Issuer [Member]" } } }, "localname": "SubsidiaryIssuerMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "stpr_KS": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "KANSAS", "terseLabel": "KANSAS" } } }, "localname": "KS", "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "stpr_NC": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "NORTH CAROLINA", "terseLabel": "North Carolina [Member]" } } }, "localname": "NC", "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingChangesAndErrorCorrectionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounting Changes and Error Corrections [Abstract]" } } }, "localname": "AccountingChangesAndErrorCorrectionsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingChangesAndErrorCorrectionsTextBlock": { "auth_ref": [ "r162" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting accounting changes and error corrections. It includes the conveyance of information necessary for a user of the Company's financial information to understand all aspects and required disclosure information concerning all changes and error corrections reported in the Company's financial statements for the period.", "label": "Accounting Changes and Error Corrections [Text Block]", "terseLabel": "Accounting Changes and Error Corrections [Text Block]" } } }, "localname": "AccountingChangesAndErrorCorrectionsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountingChangesTextBlock": { "auth_ref": [ "r162" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting accounting changes, excludes error corrections information.", "label": "Accounting Changes [Text Block]", "terseLabel": "Accounting Changes [Text Block]" } } }, "localname": "AccountingChangesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimates" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountingGuidanceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Previous accounting guidance and the new accounting guidance.", "label": "Accounting Guidance [Domain]", "terseLabel": "Accounting Guidance [Domain]" } } }, "localname": "AccountingGuidanceMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201409Member": { "auth_ref": [ "r330" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2014-09 Revenue from Contracts with Customers (Topic 606).", "label": "Accounting Standards Update 2014-09 [Member]", "terseLabel": "Accounting Standards Update 2014-09 [Member]" } } }, "localname": "AccountingStandardsUpdate201409Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201602Member": { "auth_ref": [ "r569" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-02 Leases (Topic 842).", "label": "Accounting Standards Update 2016-02 [Member]", "terseLabel": "Accounting Standards Update 2016-02 [Member]" } } }, "localname": "AccountingStandardsUpdate201602Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201618Member": { "auth_ref": [ "r139" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-18 Statement of Cash Flows (Topic 230): Restricted Cash (a consensus of the FASB Emerging Issues Task Force).", "label": "Accounting Standards Update 2016-18 [Member]", "terseLabel": "Accounting Standards Update 2016-18 [Member]" } } }, "localname": "AccountingStandardsUpdate201618Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201707Member": { "auth_ref": [ "r391" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2017-07 Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.", "label": "Accounting Standards Update 2017-07 [Member]", "terseLabel": "Accounting Standards Update 2017-07 [Member]" } } }, "localname": "AccountingStandardsUpdate201707Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201802Member": { "auth_ref": [ "r98" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2018-02 Income Statement-Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.", "label": "Accounting Standards Update 2018-02 [Member]", "terseLabel": "Accounting Standards Update 2018-02 [Member]" } } }, "localname": "AccountingStandardsUpdate201802Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r47" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Current", "verboseLabel": "Accounts payable" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableGrossCurrent": { "auth_ref": [ "r216", "r217" ], "calculation": { "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails": { "order": 2.0, "parentTag": "us-gaap_AccountsReceivableNetCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, before Allowance for Credit Loss, Current", "verboseLabel": "Trade receivables" } } }, "localname": "AccountsReceivableGrossCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Due from customers or clients for goods or services that have been delivered or sold.", "label": "Accounts Receivable [Member]", "terseLabel": "Accounts Receivable [Member]" } } }, "localname": "AccountsReceivableMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r5", "r29", "r216", "r217", "r320" ], "calculation": { "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, after Allowance for Credit Loss, Current", "terseLabel": "Accounts Receivable, after Allowance for Credit Loss, Current", "totalLabel": "Accounts receivable, net", "verboseLabel": "Accounts receivable, net" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]", "verboseLabel": "Accounts Receivable, Net" } } }, "localname": "AccountsReceivableNetCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccruedIncomeTaxesCurrent": { "auth_ref": [ "r23", "r619", "r645" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.", "label": "Accrued Income Taxes, Current", "terseLabel": "Accrued Income Taxes, Current" } } }, "localname": "AccruedIncomeTaxesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedIncomeTaxesNoncurrent": { "auth_ref": [ "r25", "r619", "r645" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.", "label": "Accrued Income Taxes, Noncurrent", "terseLabel": "Accrued Income Taxes, Noncurrent" } } }, "localname": "AccruedIncomeTaxesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Liabilities, Current", "terseLabel": "Accrued Liabilities, Current", "totalLabel": "Total", "verboseLabel": "Accrued expenses" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accrued Liabilities, Current [Abstract]" } } }, "localname": "AccruedLiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts": { "auth_ref": [ "r46", "r559" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredFinanceCostsNoncurrentNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated amortization of debt issuance costs classified as noncurrent.", "label": "Accumulated Amortization, Debt Issuance Costs, Noncurrent", "negatedLabel": "Less: Accumulated amortization-deferred financing costs" } } }, "localname": "AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember": { "auth_ref": [ "r79", "r86", "r89", "r368", "r488" ], "lang": { "en-US": { "role": { "documentation": "Accumulated other comprehensive (income) loss related to defined benefit plans attributable to the parent.", "label": "Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]", "terseLabel": "Accumulated Defined Benefit Plans Adjustment [Member]" } } }, "localname": "AccumulatedDefinedBenefitPlansAdjustmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "auth_ref": [ "r45", "r267" ], "calculation": { "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "negatedLabel": "Less: accumulated depreciation" } } }, "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Accumulated Other Comprehensive Income (Loss) [Line Items]", "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Line Items]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r82", "r85", "r86" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "terseLabel": "Accumulated Other Comprehensive Income (Loss)", "verboseLabel": "Accumulated other comprehensive loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss).", "label": "Accumulated Other Comprehensive Income (Loss) [Table]", "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r81", "r86", "r89", "r488" ], "lang": { "en-US": { "role": { "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.", "label": "AOCI Attributable to Parent [Member]", "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Member]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedTranslationAdjustmentMember": { "auth_ref": [ "r77", "r86", "r89", "r488" ], "lang": { "en-US": { "role": { "documentation": "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to the parent.", "label": "Accumulated Foreign Currency Adjustment Attributable to Parent [Member]", "terseLabel": "Accumulated Translation Adjustment [Member]" } } }, "localname": "AccumulatedTranslationAdjustmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "domainItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r30" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.", "label": "Additional Paid in Capital, Common Stock", "verboseLabel": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapitalCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.", "label": "Additional Paid-in Capital [Member]", "terseLabel": "Additional Paid-in Capital [Member]" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentForAmortization": { "auth_ref": [ "r131", "r261" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.", "label": "Amortization", "verboseLabel": "Amortization expense" } } }, "localname": "AdjustmentForAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r158" ], "lang": { "en-US": { "role": { "documentation": "Information by new accounting pronouncement.", "label": "Adjustments for New Accounting Pronouncements [Axis]", "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "verboseLabel": "Adjustments to reconcile net income to net cash provided by operating activities" } } }, "localname": "AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation": { "auth_ref": [ "r300", "r307", "r426" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.", "label": "Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation", "verboseLabel": "Excess tax benefits from share-based payment arrangements" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r407", "r420", "r423" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Share-based Payment Arrangement, Expense", "terseLabel": "Share-based Payment Arrangement, Expense" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivable": { "auth_ref": [ "r219", "r237", "r238", "r239" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable.", "label": "Accounts Receivable, Allowance for Credit Loss", "terseLabel": "Accounts Receivable, Allowance for Credit Loss" } } }, "localname": "AllowanceForDoubtfulAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": { "auth_ref": [ "r35", "r219", "r237" ], "calculation": { "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails": { "order": 1.0, "parentTag": "us-gaap_AccountsReceivableNetCurrent", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current.", "label": "Accounts Receivable, Allowance for Credit Loss, Current", "negatedLabel": "Less: allowance for doubtful accounts" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCostsAndDiscounts": { "auth_ref": [ "r131", "r559" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.", "label": "Amortization of Debt Issuance Costs and Discounts", "verboseLabel": "Amortization of deferred financing fees" } } }, "localname": "AmortizationOfFinancingCostsAndDiscounts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfIntangibleAssets": { "auth_ref": [ "r131", "r255", "r261" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Amortization of Intangible Assets", "verboseLabel": "Amortization Expense Of Intangibles" } } }, "localname": "AmortizationOfIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r175" ], "lang": { "en-US": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_AssetImpairmentCharges": { "auth_ref": [ "r131", "r264" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.", "label": "Asset Impairment Charges", "terseLabel": "Asset Impairment Charges" } } }, "localname": "AssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Assets": { "auth_ref": [ "r205", "r617", "r644" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets", "terseLabel": "Assets", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r6", "r7", "r69" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Current", "totalLabel": "Total current assets" } } }, "localname": "AssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets, Current [Abstract]", "verboseLabel": "Assets" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r408", "r422" ], "lang": { "en-US": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by location on balance sheet (statement of financial position).", "label": "Balance Sheet Location [Axis]", "terseLabel": "Balance Sheet Location [Axis]" } } }, "localname": "BalanceSheetLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationDomain": { "auth_ref": [ "r505", "r510" ], "lang": { "en-US": { "role": { "documentation": "Location in the balance sheet (statement of financial position).", "label": "Balance Sheet Location [Domain]", "terseLabel": "Balance Sheet Location [Domain]" } } }, "localname": "BalanceSheetLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "domainItemType" }, "us-gaap_BalanceSheetRelatedDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Balance Sheet Related Disclosures [Abstract]" } } }, "localname": "BalanceSheetRelatedDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r156" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity.", "label": "Basis of Presentation and Significant Accounting Policies [Text Block]", "terseLabel": "Basis of Presentation and Significant Accounting Policies [Text Block]" } } }, "localname": "BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_BillingsInExcessOfCostCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method that are expected to be realized within one year or one operating cycle, whichever is longer, from the reporting date.", "label": "Billings in Excess of Cost, Current", "terseLabel": "Billings in Excess of Cost, Current" } } }, "localname": "BillingsInExcessOfCostCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BillingsInExcessOfCostNoncurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method that are expected to be realized more than one year or one operating cycle, whichever is longer, from the reporting date.", "label": "Billings in Excess of Cost, Noncurrent", "terseLabel": "Billings in Excess of Cost, Noncurrent" } } }, "localname": "BillingsInExcessOfCostNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BuildingMember": { "auth_ref": [ "r266" ], "lang": { "en-US": { "role": { "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities.", "label": "Building [Member]", "terseLabel": "Building [Member]" } } }, "localname": "BuildingMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BuildingsAndImprovementsGross": { "auth_ref": [ "r9", "r266" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.", "label": "Buildings and Improvements, Gross", "verboseLabel": "Buildings (including improvements)" } } }, "localname": "BuildingsAndImprovementsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Business Combinations [Abstract]" } } }, "localname": "BusinessCombinationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CapitalLeaseObligations": { "auth_ref": [ "r24", "r567", "r648" ], "calculation": { "http://www.spiritaerosystems.com/role/DebtDetails": { "order": 2.0, "parentTag": "us-gaap_DebtAndCapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.", "label": "Capital Lease Obligations", "terseLabel": "Capital lease balance", "verboseLabel": "Present value of capital lease obligations" } } }, "localname": "CapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsCurrent": { "auth_ref": [ "r21", "r565", "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of capital lease obligation due within one year or the normal operating cycle, if longer.", "label": "Capital Lease Obligations, Current", "terseLabel": "Capital Lease Obligations, Current" } } }, "localname": "CapitalLeaseObligationsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsIncurred": { "auth_ref": [ "r136", "r137" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in lease obligation from new lease.", "label": "Lease Obligation Incurred", "verboseLabel": "Property acquired through capital leases" } } }, "localname": "CapitalLeaseObligationsIncurred", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsMember": { "auth_ref": [ "r567" ], "lang": { "en-US": { "role": { "documentation": "A borrowing recorded for a lease meeting the criteria for capitalization. A lease is defined as an agreement conveying the right to use property, plant, or equipment (land or depreciable assets) usually for a stated period of time.", "label": "Capital Lease Obligations [Member]", "terseLabel": "Capital Lease Agreement [Member]" } } }, "localname": "CapitalLeaseObligationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_CapitalLeaseObligationsNoncurrent": { "auth_ref": [ "r55", "r565", "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.", "label": "Capital Lease Obligations, Noncurrent", "terseLabel": "Capital Lease Obligations, Noncurrent" } } }, "localname": "CapitalLeaseObligationsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasedAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Capital Leased Assets [Line Items]", "terseLabel": "Capital Leased Assets [Line Items]" } } }, "localname": "CapitalLeasedAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2014" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Five Years", "terseLabel": "2018" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Four Years", "terseLabel": "2017" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Three Years", "terseLabel": "2016" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Two Years", "terseLabel": "2015" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r567" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due Thereafter", "terseLabel": "2019 and thereafter" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesIncomeStatementInterestExpense": { "auth_ref": [ "r566" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The financing charge for leasing arrangements meeting the criteria for capitalization.", "label": "Capital Leases, Income Statement, Interest Expense", "verboseLabel": "Interest Expense Related To Capital Leases" } } }, "localname": "CapitalLeasesIncomeStatementInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareAdditions": { "auth_ref": [ "r256" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Additions made to capitalized computer software costs during the period.", "label": "Capitalized Computer Software, Additions", "terseLabel": "Capitalized Computer Software, Additions" } } }, "localname": "CapitalizedComputerSoftwareAdditions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareAmortization1": { "auth_ref": [ "r678", "r680" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for amortization of capitalized computer software costs.", "label": "Capitalized Computer Software, Amortization", "terseLabel": "Capitalized Computer Software, Amortization", "verboseLabel": "Depreciation Expense Related To Capitalized Software" } } }, "localname": "CapitalizedComputerSoftwareAmortization1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails", "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareGross": { "auth_ref": [ "r679" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.", "label": "Capitalized Computer Software, Gross", "verboseLabel": "Capitalized software" } } }, "localname": "CapitalizedComputerSoftwareGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r3", "r41", "r133" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash and Cash Equivalents, at Carrying Value", "periodEndLabel": "Cash, cash equivalents, and restricted cash, end of period", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsFairValueDisclosure": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash and Cash Equivalents, Fair Value Disclosure", "verboseLabel": "Money Market Fund" } } }, "localname": "CashAndCashEquivalentsFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.", "label": "Cash and Cash Equivalents, Period Increase (Decrease)", "totalLabel": "Net increase (decrease) in cash, cash equivalents, and restricted cash for the period" } } }, "localname": "CashAndCashEquivalentsPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "auth_ref": [ "r16", "r134", "r140" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "verboseLabel": "Cash and Cash Equivalents" } } }, "localname": "CashAndCashEquivalentsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r127", "r133", "r138" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "terseLabel": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashFlowHedgingMember": { "auth_ref": [ "r501" ], "lang": { "en-US": { "role": { "documentation": "Hedge of the exposure to variability in the cash flows of a recognized asset or liability, or of a forecasted transaction, that is attributable to a particular risk.", "label": "Cash Flow Hedging [Member]", "terseLabel": "Cash Flow Hedging [Member]" } } }, "localname": "CashFlowHedgingMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_ChangeInAccountingEstimateByTypeAxis": { "auth_ref": [ "r157", "r161", "r180", "r183" ], "lang": { "en-US": { "role": { "documentation": "Information by type of change in accounting estimate.", "label": "Change in Accounting Estimate by Type [Axis]", "terseLabel": "Change in Accounting Estimate by Type [Axis]" } } }, "localname": "ChangeInAccountingEstimateByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesChangesInEstimateTables", "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ChangeInAccountingEstimateLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Change in Accounting Estimate [Line Items]", "terseLabel": "Change in Accounting Estimate [Line Items]" } } }, "localname": "ChangeInAccountingEstimateLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesChangesInEstimateTables" ], "xbrltype": "stringItemType" }, "us-gaap_ChangeInAccountingEstimateTypeDomain": { "auth_ref": [ "r157", "r161", "r180", "r184" ], "lang": { "en-US": { "role": { "documentation": "Identification of the accounting estimate that was changed that had the effect of adjusting the carrying amount of an existing asset or liability, or that will alter the subsequent accounting for existing or future assets or liabilities.", "label": "Change in Accounting Estimate, Type [Domain]", "terseLabel": "Change in Accounting Estimate, Type [Domain]" } } }, "localname": "ChangeInAccountingEstimateTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesChangesInEstimateTables", "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Class of Stock Disclosures [Abstract]" } } }, "localname": "ClassOfStockDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.", "label": "Class of Stock [Domain]", "terseLabel": "Class of Stock [Domain]" } } }, "localname": "ClassOfStockDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Class of Stock [Line Items]", "terseLabel": "Class of Stock [Line Items]", "verboseLabel": "Class Of Stock [Line Items]" } } }, "localname": "ClassOfStockLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfTreasuryStockTable": { "auth_ref": [ "r308", "r309", "r310", "r311" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.", "label": "Class of Treasury Stock [Table]", "terseLabel": "Class of Treasury Stock [Table]" } } }, "localname": "ClassOfTreasuryStockTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CollectiveBargainingArrangementAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by collective bargaining arrangement. A collective bargaining arrangement is a written, legally enforceable employment contract between management of an organization and its employees represented by a union.", "label": "Collective Bargaining Arrangement [Axis]", "terseLabel": "Collective Bargaining Arrangement [Axis]" } } }, "localname": "CollectiveBargainingArrangementAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_CollectiveBargainingArrangementDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Names of collective bargaining arrangements. A collective bargaining arrangement is a written, legally enforceable employment contract between management of an organization and its employees represented by a union.", "label": "Collective Bargaining Arrangement [Domain]", "terseLabel": "Future periods UAW contribution per hour [Domain]" } } }, "localname": "CollectiveBargainingArrangementDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "domainItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsContingenciesAndGuaranteesTextBlock": { "auth_ref": [ "r276", "r285", "r290" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for commitments, contingencies, and guarantees.", "label": "Commitments Contingencies and Guarantees [Text Block]", "verboseLabel": "Commitments, Contingencies and Guarantees" } } }, "localname": "CommitmentsContingenciesAndGuaranteesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuarantees" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonClassAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Classification of common stock representing ownership interest in a corporation.", "label": "Common Class A [Member]", "terseLabel": "Common Class A [Member]", "verboseLabel": "Class A [Member]" } } }, "localname": "CommonClassAMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonClassBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Classification of common stock that has different rights than Common Class A, representing ownership interest in a corporation.", "label": "Common Class B [Member]", "terseLabel": "Class B [Member]" } } }, "localname": "CommonClassBMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockDividendsPerShareCashPaid": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "Aggregate dividends paid during the period for each share of common stock outstanding.", "label": "Common Stock, Dividends, Per Share, Cash Paid", "terseLabel": "Common Stock, Dividends, Per Share, Cash Paid" } } }, "localname": "CommonStockDividendsPerShareCashPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockDividendsPerShareDeclared": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding.", "label": "Common Stock, Dividends, Per Share, Declared", "terseLabel": "Common Stock, Dividends, Per Share, Declared" } } }, "localname": "CommonStockDividendsPerShareDeclared", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "terseLabel": "Common Stock [Member]" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]", "terseLabel": "Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]" } } }, "localname": "CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r28" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common Stock, Par Value", "verboseLabel": "Common stock, par value" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r28" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common Stock, Shares Authorized", "verboseLabel": "Common stock, shares authorized" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r28" ], "lang": { "en-US": { "role": { "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.", "label": "Common Stock, Shares, Issued", "verboseLabel": "Common stock, shares issued" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r28", "r300" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common Stock, Shares, Outstanding", "periodEndLabel": "Balance, shares", "periodStartLabel": "Balance, shares", "terseLabel": "Common Stock, Shares, Outstanding" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r28" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Common Stock, Value, Issued", "verboseLabel": "Common stock" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CompensationAndRetirementDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Retirement Benefits [Abstract]" } } }, "localname": "CompensationAndRetirementDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Components of Deferred Tax Assets and Liabilities [Abstract]", "terseLabel": "Components of Deferred Tax Assets and Liabilities [Abstract]" } } }, "localname": "ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r92", "r94", "r95" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "netLabel": "Comprehensive income", "totalLabel": "Total comprehensive income" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]", "terseLabel": "Other comprehensive income (loss), net of tax:" } } }, "localname": "ComprehensiveIncomeNetOfTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "stringItemType" }, "us-gaap_ComputerSoftwareIntangibleAssetMember": { "auth_ref": [ "r256", "r259", "r481" ], "lang": { "en-US": { "role": { "documentation": "Collection of computer programs and related data that provide instructions to a computer, for example, but not limited to, application program, control module or operating system, that perform one or more particular functions or tasks.", "label": "Computer Software, Intangible Asset [Member]", "terseLabel": "Software [Member]" } } }, "localname": "ComputerSoftwareIntangibleAssetMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "domainItemType" }, "us-gaap_ConcentrationRiskByTypeAxis": { "auth_ref": [ "r192", "r193", "r547", "r548", "r670" ], "lang": { "en-US": { "role": { "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.", "label": "Concentration Risk Type [Axis]", "terseLabel": "Concentration Risk by Type [Axis]" } } }, "localname": "ConcentrationRiskByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskDisclosureTextBlock": { "auth_ref": [ "r198" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.", "label": "Concentration Risk Disclosure [Text Block]", "terseLabel": "Significant Concentration Risk" } } }, "localname": "ConcentrationRiskDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationOfRisk" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConcentrationRiskLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Concentration Risk [Line Items]", "terseLabel": "Concentration Risk [Line Items]" } } }, "localname": "ConcentrationRiskLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskPercentage1": { "auth_ref": [ "r192", "r193", "r547", "r548" ], "lang": { "en-US": { "role": { "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.", "label": "Concentration Risk, Percentage", "terseLabel": "Concentration Risk, Percentage" } } }, "localname": "ConcentrationRiskPercentage1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ConcentrationRiskTable": { "auth_ref": [ "r191", "r192", "r193", "r194", "r547", "r549" ], "lang": { "en-US": { "role": { "documentation": "Describes the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.", "label": "Concentration Risk [Table]", "terseLabel": "Concentration Risk [Table]" } } }, "localname": "ConcentrationRiskTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskTypeDomain": { "auth_ref": [ "r192", "r193", "r547", "r548" ], "lang": { "en-US": { "role": { "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.", "label": "Concentration Risk Type [Domain]", "terseLabel": "Concentration Risk Type [Domain]" } } }, "localname": "ConcentrationRiskTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock": { "auth_ref": [ "r154", "r484" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for condensed financial information, including the financial position, cash flows, and the results of operations of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.", "label": "Condensed Financial Information of Parent Company Only Disclosure [Text Block]", "verboseLabel": "Condensed Consolidating Financial Information" } } }, "localname": "CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConstructionInProgressGross": { "auth_ref": [ "r266" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.", "label": "Construction in Progress, Gross", "verboseLabel": "Construction-in-progress" } } }, "localname": "ConstructionInProgressGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractReceivableRetainage": { "auth_ref": [ "r61", "r600" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract.", "label": "Contract Receivable Retainage", "verboseLabel": "Accounts Receivable Held In Retainage By Customer" } } }, "localname": "ContractReceivableRetainage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerAssetGross": { "auth_ref": [ "r314", "r316", "r320" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time.", "label": "Contract with Customer, Asset, before Allowance for Credit Loss", "terseLabel": "Contract with Customer, Asset, before Allowance for Credit Loss" } } }, "localname": "ContractWithCustomerAssetGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerBasisOfPricingAxis": { "auth_ref": [ "r325" ], "lang": { "en-US": { "role": { "documentation": "Information by basis of pricing for contract representing right to consideration in exchange for good or service transferred to customer.", "label": "Contract with Customer, Basis of Pricing [Axis]", "terseLabel": "Contract with Customer, Basis of Pricing [Axis]" } } }, "localname": "ContractWithCustomerBasisOfPricingAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "us-gaap_ContractWithCustomerBasisOfPricingDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Basis of pricing for contract with customer. Includes, but is not limited to, fixed-price and time-and-materials contracts.", "label": "Contract with Customer, Basis of Pricing [Domain]", "terseLabel": "Contract with Customer, Basis of Pricing [Domain]" } } }, "localname": "ContractWithCustomerBasisOfPricingDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerDurationAxis": { "auth_ref": [ "r326" ], "lang": { "en-US": { "role": { "documentation": "Information by duration of contract with customer. Includes, but is not limited to, short-term and long-term contracts.", "label": "Contract with Customer, Duration [Axis]", "terseLabel": "Contract with Customer, Duration [Axis]" } } }, "localname": "ContractWithCustomerDurationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "us-gaap_ContractWithCustomerDurationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Duration of contract with customer. Includes, but is not limited to, short-term and long-term contracts.", "label": "Contract with Customer, Duration [Domain]", "terseLabel": "Contract with Customer, Duration [Domain]" } } }, "localname": "ContractWithCustomerDurationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerLiability": { "auth_ref": [ "r314", "r315", "r320" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.", "label": "Contract with Customer, Liability", "negatedTerseLabel": "Contract with Customer, Liability" } } }, "localname": "ContractWithCustomerLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityCurrent": { "auth_ref": [ "r314", "r315", "r320" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.", "label": "Contract with Customer, Liability, Current", "terseLabel": "Contract with Customer, Liability, Current" } } }, "localname": "ContractWithCustomerLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityNoncurrent": { "auth_ref": [ "r314", "r315", "r320" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.", "label": "Contract with Customer, Liability, Noncurrent", "terseLabel": "Contract with Customer, Liability, Noncurrent" } } }, "localname": "ContractWithCustomerLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": { "auth_ref": [ "r321" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.", "label": "Contract with Customer, Liability, Revenue Recognized", "terseLabel": "Contract with Customer, Liability, Revenue Recognized" } } }, "localname": "ContractWithCustomerLiabilityRevenueRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ContractWithCustomerAssetAndLiabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerSalesChannelAxis": { "auth_ref": [ "r328" ], "lang": { "en-US": { "role": { "documentation": "Information by sales channel for delivery of good or service in contract with customer.", "label": "Contract with Customer, Sales Channel [Axis]", "terseLabel": "Contract with Customer, Sales Channel [Axis]" } } }, "localname": "ContractWithCustomerSalesChannelAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "us-gaap_ContractWithCustomerSalesChannelDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sales channel for delivery of good or service in contract with customer. Includes, but is not limited to, directly to consumer and through intermediary.", "label": "Contract with Customer, Sales Channel [Domain]", "terseLabel": "Contract with Customer, Sales Channel [Domain]" } } }, "localname": "ContractWithCustomerSalesChannelDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "domainItemType" }, "us-gaap_ContractualObligationFiscalYearMaturityScheduleAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]" } } }, "localname": "ContractualObligationFiscalYearMaturityScheduleAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CostOfGoodsAndServicesSold": { "auth_ref": [ "r107" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.", "label": "Cost of Goods and Services Sold", "terseLabel": "Cost of Goods and Services Sold", "verboseLabel": "Cost of sales" } } }, "localname": "CostOfGoodsAndServicesSold", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfPropertyRepairsAndMaintenance": { "auth_ref": [ "r108" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.", "label": "Cost of Property Repairs and Maintenance", "terseLabel": "Cost of Property Repairs and Maintenance", "verboseLabel": "Repair And Maintenance Costs" } } }, "localname": "CostOfPropertyRepairsAndMaintenance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails", "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostsAndExpenses": { "auth_ref": [ "r104" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total costs of sales and operating expenses for the period.", "label": "Costs and Expenses", "totalLabel": "Total operating costs and expenses", "verboseLabel": "Total operating costs and expenses" } } }, "localname": "CostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostsAndExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Costs and Expenses [Abstract]", "verboseLabel": "Operating costs and expenses" } } }, "localname": "CostsAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.", "label": "Cumulative Effect of New Accounting Principle in Period of Adoption", "terseLabel": "Cumulative Effect of New Accounting Principle in Period of Adoption" } } }, "localname": "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentFederalTaxExpenseBenefit": { "auth_ref": [ "r144", "r467", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current Federal Tax Expense (Benefit)", "verboseLabel": "Federal" } } }, "localname": "CurrentFederalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentForeignTaxExpenseBenefit": { "auth_ref": [ "r150", "r469" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current Foreign Tax Expense (Benefit)", "verboseLabel": "Foreign" } } }, "localname": "CurrentForeignTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentIncomeTaxExpenseBenefit": { "auth_ref": [ "r144", "r467", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.", "label": "Current Income Tax Expense (Benefit)", "totalLabel": "Total current" } } }, "localname": "CurrentIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]", "terseLabel": "Current" } } }, "localname": "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CurrentStateAndLocalTaxExpenseBenefit": { "auth_ref": [ "r144", "r467", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current State and Local Tax Expense (Benefit)", "verboseLabel": "State" } } }, "localname": "CurrentStateAndLocalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CustomerAdvancesCurrent": { "auth_ref": [ "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The current portion of prepayments received from customers for goods or services to be provided in the future.", "label": "Customer Advances, Current", "verboseLabel": "Advance payments, short-term" } } }, "localname": "CustomerAdvancesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CustomerAdvancesNoncurrent": { "auth_ref": [ "r56" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The noncurrent portion of prepayments received from customers for goods or services to be provided in the future.", "label": "Customer Advances, Noncurrent", "verboseLabel": "Advance payments, long-term" } } }, "localname": "CustomerAdvancesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CustomerRelationshipsMember": { "auth_ref": [ "r480" ], "lang": { "en-US": { "role": { "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships.", "label": "Customer Relationships [Member]", "terseLabel": "Customer relationships [Member]" } } }, "localname": "CustomerRelationshipsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtAndCapitalLeaseObligations": { "auth_ref": [ "r624", "r654" ], "calculation": { "http://www.spiritaerosystems.com/role/DebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of short-term and long-term debt and lease obligation.", "label": "Debt and Lease Obligation", "totalLabel": "Total" } } }, "localname": "DebtAndCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r296" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.", "label": "Debt Disclosure [Text Block]", "verboseLabel": "Debt" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/Debt" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r21", "r23", "r24", "r618", "r620", "r641" ], "lang": { "en-US": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]", "terseLabel": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r558", "r560" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "terseLabel": "Debt Instrument, Face Amount" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFairValue": { "auth_ref": [ "r546" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.", "label": "Debt Instrument, Fair Value Disclosure", "verboseLabel": "Long-term Debt, Fair Value" } } }, "localname": "DebtInstrumentFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r52" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "terseLabel": "Debt Instrument, Interest Rate, Stated Percentage", "verboseLabel": "Fixed interest rate" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentInterestRateTerms": { "auth_ref": [ "r52" ], "lang": { "en-US": { "role": { "documentation": "Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.", "label": "Debt Instrument, Interest Rate Terms", "terseLabel": "Debt Instrument, Interest Rate Terms" } } }, "localname": "DebtInstrumentInterestRateTerms", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Debt Instrument [Line Items]", "terseLabel": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentMaturityDate": { "auth_ref": [ "r53", "r537" ], "lang": { "en-US": { "role": { "documentation": "Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.", "label": "Debt Instrument, Maturity Date", "terseLabel": "Debt Instrument, Maturity Date" } } }, "localname": "DebtInstrumentMaturityDate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "dateItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r55" ], "lang": { "en-US": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument, Name [Domain]", "terseLabel": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentPaymentTerms": { "auth_ref": [ "r54", "r635" ], "lang": { "en-US": { "role": { "documentation": "Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.", "label": "Debt Instrument, Payment Terms", "terseLabel": "Debt Instrument, Payment Terms" } } }, "localname": "DebtInstrumentPaymentTerms", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentPeriodicPaymentPrincipal": { "auth_ref": [ "r55" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the required periodic payments applied to principal.", "label": "Debt Instrument, Periodic Payment, Principal", "verboseLabel": "Quarterly principal repayment from September 2011 through May 2017 until entirely repaid" } } }, "localname": "DebtInstrumentPeriodicPaymentPrincipal", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentRedemptionPricePercentage": { "auth_ref": [ "r636" ], "lang": { "en-US": { "role": { "documentation": "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.", "label": "Debt Instrument, Redemption Price, Percentage", "terseLabel": "Debt Instrument, Redemption Price, Percentage" } } }, "localname": "DebtInstrumentRedemptionPricePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentRepurchaseAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value amount of debt instrument that was repurchased.", "label": "Debt Instrument, Repurchase Amount", "terseLabel": "Debt Instrument, Repurchase Amount" } } }, "localname": "DebtInstrumentRepurchaseAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentRepurchasedFaceAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of the original debt instrument that was repurchased.", "label": "Debt Instrument, Repurchased Face Amount", "terseLabel": "Debt Instrument, Repurchased Face Amount" } } }, "localname": "DebtInstrumentRepurchasedFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r55", "r146", "r301", "r304", "r305", "r306", "r557", "r558", "r560", "r637" ], "lang": { "en-US": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]", "terseLabel": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtSecuritiesMember": { "auth_ref": [ "r233" ], "lang": { "en-US": { "role": { "documentation": "Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions.", "label": "Debt Securities [Member]", "terseLabel": "Debt Securities [Member]" } } }, "localname": "DebtSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "domainItemType" }, "us-gaap_DeferredChargesPolicyTextBlock": { "auth_ref": [ "r46", "r140" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for deferral and amortization of significant deferred charges.", "label": "Deferred Charges, Policy [Policy Text Block]", "verboseLabel": "Deferred Financing Costs" } } }, "localname": "DeferredChargesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredCompensationLiabilityCurrent": { "auth_ref": [ "r333", "r334" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 11.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.", "label": "Deferred Compensation Liability, Current", "verboseLabel": "Profit sharing" } } }, "localname": "DeferredCompensationLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock": { "auth_ref": [ "r46" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs.", "label": "Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]", "verboseLabel": "Deferred Production Included in Inventory Roll Forward" } } }, "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": { "auth_ref": [ "r144", "r468", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "spr_DeferredIncomeTaxExpenseBenefitIncludedInTaxProvision", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Federal Income Tax Expense (Benefit)", "verboseLabel": "Federal" } } }, "localname": "DeferredFederalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsNoncurrentGross": { "auth_ref": [ "r46", "r559" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredFinanceCostsNoncurrentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Cost, Gross, Noncurrent", "verboseLabel": "Deferred financing costs" } } }, "localname": "DeferredFinanceCostsNoncurrentGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsNoncurrentNet": { "auth_ref": [ "r46", "r559" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Noncurrent, Net", "totalLabel": "Deferred financing costs, net" } } }, "localname": "DeferredFinanceCostsNoncurrentNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredForeignIncomeTaxExpenseBenefit": { "auth_ref": [ "r144", "r468", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 3.0, "parentTag": "spr_DeferredIncomeTaxExpenseBenefitIncludedInTaxProvision", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Foreign Income Tax Expense (Benefit)", "verboseLabel": "Foreign" } } }, "localname": "DeferredForeignIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "auth_ref": [ "r131", "r144", "r468", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Income Tax Expense (Benefit)", "verboseLabel": "Deferred taxes" } } }, "localname": "DeferredIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]", "terseLabel": "Deferred" } } }, "localname": "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredRevenueAndCreditsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Revenue and Credits [Abstract]", "verboseLabel": "Advance payments and deferred revenue/credits summarized" } } }, "localname": "DeferredRevenueAndCreditsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredRevenueAndCreditsNoncurrent": { "auth_ref": [ "r57" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total carrying amount of consideration received or receivable as of the balance sheet date representing potential earnings that were not as yet recognized as revenue or other forms of income in conformity with GAAP, and which are expected to be recognized as such after one year or beyond the normal operating cycle, if longer.", "label": "Deferred Revenue and Credits, Noncurrent", "terseLabel": "Deferred Revenue and Credits, Noncurrent", "verboseLabel": "Deferred revenue and other deferred credits" } } }, "localname": "DeferredRevenueAndCreditsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredRevenueArrangementByTypeTable": { "auth_ref": [ "r12" ], "lang": { "en-US": { "role": { "documentation": "Schedule of deferred revenue disclosure which includes the type of arrangements and the corresponding amount that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.", "label": "Deferred Revenue Arrangement, by Type [Table]", "terseLabel": "Deferred Revenue Arrangement, by Type [Table]" } } }, "localname": "DeferredRevenueArrangementByTypeTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredRevenueArrangementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Deferred Revenue Arrangement [Line Items]", "terseLabel": "Deferred Revenue Arrangement [Line Items]" } } }, "localname": "DeferredRevenueArrangementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredRevenueCurrent": { "auth_ref": [ "r36" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.", "label": "Deferred Revenue, Current", "terseLabel": "Deferred Revenue, Current", "verboseLabel": "Deferred revenue and other deferred credits, short-term" } } }, "localname": "DeferredRevenueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit": { "auth_ref": [ "r144", "r468", "r471" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "spr_DeferredIncomeTaxExpenseBenefitIncludedInTaxProvision", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred State and Local Income Tax Expense (Benefit)", "verboseLabel": "State" } } }, "localname": "DeferredStateAndLocalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsDerivativeInstruments": { "auth_ref": [ "r431", "r465", "r466" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.", "label": "Deferred Tax Assets, Derivative Instruments", "verboseLabel": "Interest swap contracts" } } }, "localname": "DeferredTaxAssetsDerivativeInstruments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGross": { "auth_ref": [ "r458" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Gross", "terseLabel": "Deferred Tax Assets, Gross", "totalLabel": "Net deferred tax asset" } } }, "localname": "DeferredTaxAssetsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsHedgingTransactions": { "auth_ref": [ "r431", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 11.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from hedging transactions.", "label": "Deferred Tax Assets, Hedging Transactions", "terseLabel": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax" } } }, "localname": "DeferredTaxAssetsHedgingTransactions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsInventory": { "auth_ref": [ "r431", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 6.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.", "label": "Deferred Tax Assets, Inventory", "verboseLabel": "Inventory" } } }, "localname": "DeferredTaxAssetsInventory", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "auth_ref": [ "r461" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.", "label": "Deferred Tax Assets, Net", "terseLabel": "Deferred Tax Assets, Net", "totalLabel": "Total deferred tax asset" } } }, "localname": "DeferredTaxAssetsLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent": { "auth_ref": [ "r439", "r441", "r461" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current.", "label": "Deferred Tax Assets, Net, Current", "totalLabel": "Net current deferred tax asset" } } }, "localname": "DeferredTaxAssetsLiabilitiesNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent": { "auth_ref": [ "r439", "r441", "r461" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.", "label": "Deferred Tax Assets, Net, Noncurrent", "totalLabel": "Net non-current deferred tax assets" } } }, "localname": "DeferredTaxAssetsLiabilitiesNetNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNet": { "auth_ref": [ "r459" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Net of Valuation Allowance", "terseLabel": "Deferred Tax Assets, Net of Valuation Allowance", "totalLabel": "Net deferred tax asset" } } }, "localname": "DeferredTaxAssetsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNetCurrent": { "auth_ref": [ "r439", "r440", "r441", "r442", "r458" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.", "label": "Deferred Tax Assets, Net of Valuation Allowance, Current", "terseLabel": "Current deferred tax assets", "verboseLabel": "Deferred tax asset-current" } } }, "localname": "DeferredTaxAssetsNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNetNoncurrent": { "auth_ref": [ "r439", "r440", "r441", "r442", "r458" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.", "label": "Deferred Tax Assets, Net of Valuation Allowance, Noncurrent", "terseLabel": "Non-current deferred tax assets", "verboseLabel": "Deferred tax asset-non-current, net" } } }, "localname": "DeferredTaxAssetsNetNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign": { "auth_ref": [ "r430", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 10.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.", "label": "Deferred Tax Assets, Operating Loss Carryforwards, Foreign", "verboseLabel": "Net operating loss carryforward" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwardsForeign", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOther": { "auth_ref": [ "r431", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 12.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.", "label": "Deferred Tax Assets, Other", "verboseLabel": "Other" } } }, "localname": "DeferredTaxAssetsOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign": { "auth_ref": [ "r463", "r465", "r466" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.", "label": "Deferred Tax Assets, Tax Credit Carryforwards, Foreign", "terseLabel": "Deferred Tax Assets, Tax Credit Carryforwards, Foreign" } } }, "localname": "DeferredTaxAssetsTaxCreditCarryforwardsForeign", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther": { "auth_ref": [ "r463", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 7.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.", "label": "Deferred Tax Assets, Tax Credit Carryforwards, Other", "verboseLabel": "State income tax credits" } } }, "localname": "DeferredTaxAssetsTaxCreditCarryforwardsOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch": { "auth_ref": [ "r463", "r465", "r466" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.", "label": "Deferred Tax Assets, Tax Credit Carryforwards, Research", "terseLabel": "Deferred Tax Assets, Tax Credit Carryforwards, Research" } } }, "localname": "DeferredTaxAssetsTaxCreditCarryforwardsResearch", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Tax Assets, Tax Deferred Expense [Abstract]", "terseLabel": "Deferred Tax Assets, Tax Deferred Expense [Abstract]" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation": { "auth_ref": [ "r430", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation", "verboseLabel": "Employee compensation accruals" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions": { "auth_ref": [ "r465" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions", "negatedLabel": "Pension and other employee benefit plans" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits": { "auth_ref": [ "r465" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits", "verboseLabel": "Post-retirement benefits other than pensions" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther": { "auth_ref": [ "r430", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 8.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other", "verboseLabel": "Accruals and reserves" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r460" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.", "label": "Deferred Tax Assets, Valuation Allowance", "negatedLabel": "Valuation allowance", "terseLabel": "Deferred Tax Assets, Valuation Allowance" } } }, "localname": "DeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilities": { "auth_ref": [ "r441", "r461" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.", "label": "Deferred Tax Liabilities, Net", "terseLabel": "Deferred Tax Liabilities, Net" } } }, "localname": "DeferredTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesCurrent": { "auth_ref": [ "r439", "r441", "r442", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.", "label": "Deferred Tax Liabilities, Net, Current", "negatedLabel": "Current deferred tax liabilities" } } }, "localname": "DeferredTaxLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesNoncurrent": { "auth_ref": [ "r439", "r441", "r442" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.", "label": "Deferred Tax Liabilities, Net, Noncurrent", "negatedLabel": "Non-current deferred tax liabilities", "terseLabel": "Deferred Tax Liabilities, Net, Noncurrent" } } }, "localname": "DeferredTaxLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment": { "auth_ref": [ "r431", "r465", "r466" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 5.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.", "label": "Deferred Tax Liabilities, Property, Plant and Equipment", "negatedLabel": "Depreciation and amortization" } } }, "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings": { "auth_ref": [ "r465" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.", "label": "Deferred Tax Liabilities, Undistributed Foreign Earnings", "terseLabel": "Deferred Tax Liabilities, Undistributed Foreign Earnings" } } }, "localname": "DeferredTaxLiabilitiesUndistributedForeignEarnings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan [Abstract]" } } }, "localname": "DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax": { "auth_ref": [ "r80", "r86" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).", "label": "Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax", "positiveLabel": "Total (income) recognized in OCI", "terseLabel": "Accumulated gain (loss)", "verboseLabel": "Accumulated other comprehensive income (AOCI)" } } }, "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]", "terseLabel": "Other changes recognized in OCI:", "verboseLabel": "Amounts not yet reflected in net periodic benefit cost and included in AOCI:" } } }, "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax": { "auth_ref": [ "r86", "r368" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.", "label": "Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax", "negatedLabel": "Total recognized in net periodic benefit cost and OCI", "terseLabel": "Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax" } } }, "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets": { "auth_ref": [ "r349", "r390" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.", "label": "Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)", "terseLabel": "Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)" } } }, "localname": "DefinedBenefitPlanActualReturnOnPlanAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanActuarialGainLoss": { "auth_ref": [ "r344" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.", "label": "Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)", "negatedLabel": "Actuarial loss (gain)" } } }, "localname": "DefinedBenefitPlanActuarialGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAdministrationExpenses": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of administration expense of defined benefit plan which decreases plan assets. Excludes plan administration expense paid by employer.", "label": "Defined Benefit Plan, Plan Assets, Administration Expense", "negatedTerseLabel": "Defined Benefit Plan, Plan Assets, Administration Expense" } } }, "localname": "DefinedBenefitPlanAdministrationExpenses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses": { "auth_ref": [ "r364", "r386", "r390" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 4.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.", "label": "Defined Benefit Plan, Amortization of Gain (Loss)", "negatedTerseLabel": "Defined Benefit Plan, Amortization of Gain (Loss)", "terseLabel": "Defined Benefit Plan, Amortization of Gain (Loss)" } } }, "localname": "DefinedBenefitPlanAmortizationOfGainsLosses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit": { "auth_ref": [ "r365", "r387", "r390" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 5.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.", "label": "Defined Benefit Plan, Amortization of Prior Service Cost (Credit)", "negatedTerseLabel": "Defined Benefit Plan, Amortization of Prior Service Cost (Credit)" } } }, "localname": "DefinedBenefitPlanAmortizationOfPriorServiceCostCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet": { "auth_ref": [ "r337", "r355" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.", "label": "Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position", "verboseLabel": "Net amounts recognized" } } }, "localname": "DefinedBenefitPlanAmountsRecognizedInBalanceSheet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]", "verboseLabel": "Amounts recognized in balance sheet" } } }, "localname": "DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent": { "auth_ref": [ "r20", "r337", "r338", "r355", "r616", "r643" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.", "label": "Assets for Plan Benefits, Defined Benefit Plan", "terseLabel": "Pension assets", "verboseLabel": "Noncurrent assets" } } }, "localname": "DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Plan Assets, Allocations [Abstract]", "terseLabel": "Defined Benefit Plan, Plan Assets, Allocations [Abstract]" } } }, "localname": "DefinedBenefitPlanAssetsTargetAllocationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]", "verboseLabel": "Medical Assumptions:" } } }, "localname": "DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate": { "auth_ref": [ "r369" ], "lang": { "en-US": { "role": { "documentation": "Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.", "label": "Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate", "verboseLabel": "Discount rate" } } }, "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.", "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets", "verboseLabel": "Expected return on plan assets" } } }, "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease": { "auth_ref": [ "r370" ], "lang": { "en-US": { "role": { "documentation": "Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.", "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase", "verboseLabel": "Salary increases" } } }, "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanAssumptionsUsedInCalculationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Assumptions Used in Calculations [Abstract]", "verboseLabel": "Total recognized in other net periodic benefit and OCI (income) loss" } } }, "localname": "DefinedBenefitPlanAssumptionsUsedInCalculationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanBenefitObligation": { "auth_ref": [ "r339" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.", "label": "Defined Benefit Plan, Benefit Obligation", "periodEndLabel": "Projected benefit obligation at the end of the period", "periodStartLabel": "Beginning balance" } } }, "localname": "DefinedBenefitPlanBenefitObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid": { "auth_ref": [ "r346", "r394" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.", "label": "Defined Benefit Plan, Benefit Obligation, Benefits Paid", "terseLabel": "Defined Benefit Plan, Benefit Obligation, Benefits Paid" } } }, "localname": "DefinedBenefitPlanBenefitObligationBenefitsPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant": { "auth_ref": [ "r343" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of contributions received by defined benefit plan from participant which increase benefit obligation.", "label": "Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant", "terseLabel": "Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant" } } }, "localname": "DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis": { "auth_ref": [ "r357", "r358", "r374", "r390" ], "lang": { "en-US": { "role": { "documentation": "Information by defined benefit plan asset investment.", "label": "Defined Benefit Plan, Plan Assets, Category [Axis]", "terseLabel": "Defined Benefit Plan, Plan Assets, Category [Axis]" } } }, "localname": "DefinedBenefitPlanByPlanAssetCategoriesAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]", "terseLabel": "Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]" } } }, "localname": "DefinedBenefitPlanChangeInBenefitObligationRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]", "verboseLabel": "Change in fair value of plan assets:" } } }, "localname": "DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanContributionsByEmployer": { "auth_ref": [ "r351", "r357", "r358", "r389", "r390" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of contribution received by defined benefit plan from employer which increases plan assets.", "label": "Defined Benefit Plan, Plan Assets, Contributions by Employer", "verboseLabel": "Company contributions" } } }, "localname": "DefinedBenefitPlanContributionsByEmployer", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanCurtailments": { "auth_ref": [ "r341" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees.", "label": "Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment", "terseLabel": "Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment" } } }, "localname": "DefinedBenefitPlanCurtailments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanDisclosureLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Defined Benefit Plan Disclosure [Line Items]", "terseLabel": "Defined Benefit Plan Disclosure [Line Items]" } } }, "localname": "DefinedBenefitPlanDisclosureLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rate [Abstract]", "terseLabel": "Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rate [Abstract]" } } }, "localname": "DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1": { "auth_ref": [ "r373" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.", "label": "Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation", "verboseLabel": "Post Retirement one percentage change decrease" } } }, "localname": "DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1": { "auth_ref": [ "r373" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.", "label": "Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components", "verboseLabel": "Service and interest on percentage change decrease" } } }, "localname": "DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation": { "auth_ref": [ "r373" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.", "label": "Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation", "verboseLabel": "Post Retirement one percentage change increase" } } }, "localname": "DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents": { "auth_ref": [ "r373" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.", "label": "Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components", "verboseLabel": "Service and interest on percentage change increase" } } }, "localname": "DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanEquitySecuritiesNonUsMember": { "auth_ref": [ "r357", "r358", "r390" ], "lang": { "en-US": { "role": { "documentation": "Security representing ownership in corporation or other legal entity, not domiciled in United States of America (US), for which ownership is represented by share of stock; in which defined benefit plan asset is invested. Includes, but is not limited to, common stock, preferred stock, convertible security, stock right and stock warrant.", "label": "Defined Benefit Plan, Equity Securities, Non-US [Member]", "terseLabel": "Defined Benefit Plan, Equity Securities, US [Member]" } } }, "localname": "DefinedBenefitPlanEquitySecuritiesNonUsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "domainItemType" }, "us-gaap_DefinedBenefitPlanEquitySecuritiesUsMember": { "auth_ref": [ "r357", "r358", "r390" ], "lang": { "en-US": { "role": { "documentation": "Security representing ownership in corporation or other legal entity, domiciled in United States of America (US), for which ownership is represented by share of stock; in which defined benefit plan asset is invested. Includes, but is not limited to, common stock, preferred stock, convertible security, stock right and stock warrant.", "label": "Defined Benefit Plan, Equity Securities, US [Member]", "terseLabel": "Defined Benefit Plan, Equity Securities, US [Member]" } } }, "localname": "DefinedBenefitPlanEquitySecuritiesUsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "domainItemType" }, "us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Expected Future Benefit Payment [Abstract]" } } }, "localname": "DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear": { "auth_ref": [ "r375" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.", "label": "Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year", "terseLabel": "Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year" } } }, "localname": "DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter": { "auth_ref": [ "r359" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter", "terseLabel": "Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter" } } }, "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths": { "auth_ref": [ "r359" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months", "terseLabel": "Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months" } } }, "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive": { "auth_ref": [ "r359" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Five", "terseLabel": "Defined Benefit Plan, Expected Future Benefit Payment, Year Five" } } }, "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour": { "auth_ref": [ "r359" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Four", "terseLabel": "Defined Benefit Plan, Expected Future Benefit Payment, Year Four" } } }, "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree": { "auth_ref": [ "r359" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Three", "terseLabel": "Defined Benefit Plan, Expected Future Benefit Payment, Year Three" } } }, "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo": { "auth_ref": [ "r359" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Two", "terseLabel": "Defined Benefit Plan, Expected Future Benefit Payment, Year Two" } } }, "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets": { "auth_ref": [ "r363", "r385", "r390" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 3.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.", "label": "Defined Benefit Plan, Expected Return (Loss) on Plan Assets", "negatedLabel": "Expected return on plan assets" } } }, "localname": "DefinedBenefitPlanExpectedReturnOnPlanAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanFairValueOfPlanAssets": { "auth_ref": [ "r348", "r357", "r358", "r390" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.", "label": "Defined Benefit Plan, Plan Assets, Amount", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Defined Benefit Plan, Plan Assets, Amount" } } }, "localname": "DefinedBenefitPlanFairValueOfPlanAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation": { "auth_ref": [ "r345" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan.", "label": "Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss)", "verboseLabel": "Exchange rate changes" } } }, "localname": "DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanFundedStatusOfPlan": { "auth_ref": [ "r337", "r355" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.", "label": "Defined Benefit Plan, Funded (Unfunded) Status of Plan", "terseLabel": "Net amounts recognized", "verboseLabel": "Funded status (deficit)" } } }, "localname": "DefinedBenefitPlanFundedStatusOfPlan", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]", "verboseLabel": "Reconciliation of funded status to net amounts recognized:" } } }, "localname": "DefinedBenefitPlanFundedStatusOfPlanAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear": { "auth_ref": [ "r372" ], "lang": { "en-US": { "role": { "documentation": "Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.", "label": "Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year", "verboseLabel": "Trend assumed for the year" } } }, "localname": "DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanInformationAboutPlanAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Information about Plan Assets [Abstract]" } } }, "localname": "DefinedBenefitPlanInformationAboutPlanAssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanInterestCost": { "auth_ref": [ "r342", "r362", "r384", "r390" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 2.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost recognized for passage of time related to defined benefit plan.", "label": "Defined Benefit Plan, Interest Cost", "verboseLabel": "Interest cost" } } }, "localname": "DefinedBenefitPlanInterestCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost": { "auth_ref": [ "r360", "r382", "r390" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of net periodic benefit cost (credit) for defined benefit plan.", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit)", "totalLabel": "Net periodic benefit cost (income)" } } }, "localname": "DefinedBenefitPlanNetPeriodicBenefitCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]", "terseLabel": "Components of net periodic benefit cost (income):", "verboseLabel": "Pension and Other Post-Retirement Benefits" } } }, "localname": "DefinedBenefitPlanNetPeriodicBenefitCostAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]", "verboseLabel": "Information for pension plans with benefit obligations in excess of plan assets:" } } }, "localname": "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation": { "auth_ref": [ "r378", "r379", "r390" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.", "label": "Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation", "verboseLabel": "Accumulated benefit obligation" } } }, "localname": "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation": { "auth_ref": [ "r378", "r390" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.", "label": "Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation", "verboseLabel": "Projected benefit obligation" } } }, "localname": "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanPlanAmendments": { "auth_ref": [ "r347" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan.", "label": "Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment", "terseLabel": "Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment" } } }, "localname": "DefinedBenefitPlanPlanAmendments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid": { "auth_ref": [ "r353", "r394" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.", "label": "Defined Benefit Plan, Plan Assets, Benefits Paid", "terseLabel": "Defined Benefit Plan, Plan Assets, Benefits Paid" } } }, "localname": "DefinedBenefitPlanPlanAssetsBenefitsPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant": { "auth_ref": [ "r352" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of contributions received by defined benefit plan from participant which increases plan assets.", "label": "Defined Benefit Plan, Plan Assets, Contributions by Plan Participant", "terseLabel": "Defined Benefit Plan, Plan Assets, Contributions by Plan Participant" } } }, "localname": "DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss": { "auth_ref": [ "r350" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.", "label": "Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss)", "verboseLabel": "Exchange rate changes" } } }, "localname": "DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage": { "auth_ref": [ "r356", "r390" ], "lang": { "en-US": { "role": { "documentation": "Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.", "label": "Defined Benefit Plan, Plan Assets, Target Allocation, Percentage", "terseLabel": "Defined Benefit Plan, Plan Assets, Target Allocation, Percentage" } } }, "localname": "DefinedBenefitPlanPlanAssetsTargetAllocationPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments": { "auth_ref": [ "r366", "r388" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment", "negatedTerseLabel": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment" } } }, "localname": "DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1": { "auth_ref": [ "r366", "r388" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement", "terseLabel": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement" } } }, "localname": "DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1": { "auth_ref": [ "r366", "r388" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 6.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit from settlement and curtailment.", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment", "negatedTerseLabel": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment" } } }, "localname": "DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanServiceCost": { "auth_ref": [ "r340", "r361", "r383", "r390" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 1.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.", "label": "Defined Benefit Plan, Service Cost", "verboseLabel": "Service cost" } } }, "localname": "DefinedBenefitPlanServiceCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanSettlementsPlanAssets": { "auth_ref": [ "r354" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract.", "label": "Defined Benefit Plan, Plan Assets, Payment for Settlement", "negatedTerseLabel": "Defined Benefit Plan, Plan Assets, Payment for Settlement" } } }, "localname": "DefinedBenefitPlanSettlementsPlanAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanSpecialTerminationBenefits": { "auth_ref": [ "r341" ], "calculation": { "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2": { "order": 7.0, "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in benefit obligation for benefits provided to employees payable from defined benefit plan or payable upon retirement.", "label": "Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits", "negatedTerseLabel": "Special termination benefits(1)", "terseLabel": "Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits" } } }, "localname": "DefinedBenefitPlanSpecialTerminationBenefits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1": { "auth_ref": [ "r372" ], "lang": { "en-US": { "role": { "documentation": "Ultimate trend rate for health care cost for defined benefit postretirement plan.", "label": "Defined Benefit Plan, Ultimate Health Care Cost Trend Rate", "verboseLabel": "Ultimate trend rate" } } }, "localname": "DefinedBenefitPlanUltimateHealthCareCostTrendRate1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations": { "auth_ref": [ "r356" ], "lang": { "en-US": { "role": { "documentation": "Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.", "label": "Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage", "terseLabel": "Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage" } } }, "localname": "DefinedBenefitPlanWeightedAverageAssetAllocations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate": { "auth_ref": [ "r372" ], "lang": { "en-US": { "role": { "documentation": "Year ultimate health care cost trend rate is expected to be reached, in CCYY format.", "label": "Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate", "verboseLabel": "Year that ultimate trend rate is reached" } } }, "localname": "DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2" ], "xbrltype": "gYearListItemType" }, "us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Contribution Plan [Abstract]" } } }, "localname": "DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DefinedContributionPlanCostRecognized": { "auth_ref": [ "r395" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost for defined contribution plan.", "label": "Defined Contribution Plan, Cost", "terseLabel": "Defined Contribution Plan, Cost" } } }, "localname": "DefinedContributionPlanCostRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedContributionPlanDisclosureLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Defined Contribution Plan Disclosure [Line Items]", "terseLabel": "Defined Contribution Plan Disclosure [Line Items]" } } }, "localname": "DefinedContributionPlanDisclosureLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.", "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay", "terseLabel": "Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage employer matches of the employee's percentage contribution matched.", "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match", "terseLabel": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatch", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.", "label": "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent", "terseLabel": "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent" } } }, "localname": "DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanTable": { "auth_ref": [ "r395" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans.", "label": "Defined Contribution Plan [Table]", "terseLabel": "Defined Contribution Plan [Table]" } } }, "localname": "DefinedContributionPlanTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "stringItemType" }, "us-gaap_Depreciation": { "auth_ref": [ "r131", "r265" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.", "label": "Depreciation", "verboseLabel": "Depreciation expense" } } }, "localname": "Depreciation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeAssetsNoncurrent": { "auth_ref": [ "r71" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Asset, Noncurrent", "verboseLabel": "Fair value of derivative instruments" } } }, "localname": "DerivativeAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeBasisSpreadOnVariableRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.", "label": "Derivative, Basis Spread on Variable Rate", "terseLabel": "Basis Spread on Variable Rate" } } }, "localname": "DerivativeBasisSpreadOnVariableRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "percentItemType" }, "us-gaap_DerivativeContractTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.", "label": "Derivative Contract [Domain]", "terseLabel": "Derivative Contract Type [Domain]" } } }, "localname": "DerivativeContractTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeFairValueOfDerivativeLiability": { "auth_ref": [ "r70", "r73", "r508", "r598" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.", "label": "Derivative Liability, Fair Value, Gross Liability", "terseLabel": "Derivative Fair Value Of Derivative Liability" } } }, "localname": "DerivativeFairValueOfDerivativeLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral": { "auth_ref": [ "r71", "r72", "r74", "r524" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.", "label": "Derivative Liability, Fair Value, Amount Not Offset Against Collateral", "negatedLabel": "Derivative Liability, Fair Value, Net" } } }, "localname": "DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFairValueOfDerivativeNet": { "auth_ref": [ "r546" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of the assets less the liabilities of a derivative or group of derivatives.", "label": "Derivative, Fair Value, Net", "negatedTerseLabel": "Derivative, Fair Value, Net" } } }, "localname": "DerivativeFairValueOfDerivativeNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFairValueOfDerivativeNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative, Fair Value, Net [Abstract]", "verboseLabel": "Fair value of outstanding derivatives" } } }, "localname": "DerivativeFairValueOfDerivativeNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeFixedInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fixed interest rate related to the interest rate derivative.", "label": "Derivative, Fixed Interest Rate", "terseLabel": "Derivative, Fixed Interest Rate", "verboseLabel": "Fixed Rate" } } }, "localname": "DerivativeFixedInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "percentItemType" }, "us-gaap_DerivativeGainLossOnDerivativeNet": { "auth_ref": [ "r507" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.", "label": "Derivative, Gain (Loss) on Derivative, Net", "negatedTerseLabel": "Derivative, Gain (Loss) on Derivative, Net" } } }, "localname": "DerivativeGainLossOnDerivativeNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeInstrumentRiskAxis": { "auth_ref": [ "r506", "r509", "r516", "r520" ], "lang": { "en-US": { "role": { "documentation": "Information by type of derivative contract.", "label": "Derivative Instrument [Axis]", "terseLabel": "Derivative Instrument Risk [Axis]" } } }, "localname": "DerivativeInstrumentRiskAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": { "auth_ref": [ "r533" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.", "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]", "verboseLabel": "Derivative and Hedging Activities" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivities" ], "xbrltype": "textBlockItemType" }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": { "auth_ref": [ "r502", "r506", "r516", "r520", "r521", "r526", "r528" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.", "label": "Derivative Instruments, Gain (Loss) [Table]", "terseLabel": "Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]" } } }, "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsGainLossLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivative Instruments, Gain (Loss) [Line Items]", "terseLabel": "Derivative Instruments, Gain (Loss) [Line Items]" } } }, "localname": "DerivativeInstrumentsGainLossLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet": { "auth_ref": [ "r513", "r519" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.", "label": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net", "terseLabel": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net" } } }, "localname": "DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]", "verboseLabel": "Effect of derivative instrument on statement of other comprehensive income" } } }, "localname": "DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion": { "auth_ref": [ "r513" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.", "label": "Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion", "verboseLabel": "Amount of Loss Reclassified from Accumulated OCI into Income (Effective Portion)" } } }, "localname": "DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilities": { "auth_ref": [ "r71", "r72", "r546" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability", "negatedLabel": "Fair value liabilities measured on recurring basis" } } }, "localname": "DerivativeLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivative [Line Items]", "terseLabel": "Derivative [Line Items]" } } }, "localname": "DerivativeLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeLossOnDerivative": { "auth_ref": [ "r507" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in the fair value of derivatives recognized in the income statement.", "label": "Derivative, Loss on Derivative", "terseLabel": "Derivative, Loss on Derivative" } } }, "localname": "DerivativeLossOnDerivative", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeNetHedgeIneffectivenessGainLoss": { "auth_ref": [ "r514", "r527" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) from the ineffectiveness of the hedge.", "label": "Derivative, Net Hedge Ineffectiveness Gain (Loss)", "negatedTerseLabel": "Loss from hedge contracts" } } }, "localname": "DerivativeNetHedgeIneffectivenessGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeNotionalAmount": { "auth_ref": [ "r498", "r500" ], "lang": { "en-US": { "role": { "documentation": "Nominal or face amount used to calculate payment on derivative.", "label": "Derivative, Notional Amount", "terseLabel": "Derivative, Notional Amount" } } }, "localname": "DerivativeNotionalAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeTable": { "auth_ref": [ "r151", "r497", "r499", "r500", "r502", "r504", "r511", "r516", "r522", "r525", "r528" ], "lang": { "en-US": { "role": { "documentation": "Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.", "label": "Derivative [Table]", "terseLabel": "Derivative [Table]" } } }, "localname": "DerivativeTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativesFairValueLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivatives, Fair Value [Line Items]", "verboseLabel": "Derivatives, Fair Value [Line Items]" } } }, "localname": "DerivativesFairValueLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativesPolicyTextBlock": { "auth_ref": [ "r140", "r152", "r497", "r499", "r502", "r504", "r523" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for its derivative instruments and hedging activities.", "label": "Derivatives, Policy [Policy Text Block]", "verboseLabel": "Derivative Instruments and Hedging Activities" } } }, "localname": "DerivativesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DescriptionOfDefinedContributionPensionAndOtherPostretirementPlans": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Description of defined contribution pension and other postretirement plans.", "label": "Defined Contribution Plan, Description", "verboseLabel": "Defined Contribution Plan" } } }, "localname": "DescriptionOfDefinedContributionPensionAndOtherPostretirementPlans", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "us-gaap_DesignatedAsHedgingInstrumentMember": { "auth_ref": [ "r502" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Designated as Hedging Instrument [Member]", "terseLabel": "Designated as Hedging Instrument [Member]" } } }, "localname": "DesignatedAsHedgingInstrumentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "domainItemType" }, "us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member": { "auth_ref": [ "r329" ], "lang": { "en-US": { "role": { "documentation": "Effect in current period from application of guidance for revenue from contract with customer compared with guidance for revenue recognition applicable prior to change when using transition method for cumulative effect in period including initial date of application.", "label": "Difference between Revenue Guidance in Effect before and after Topic 606 [Member]", "terseLabel": "Difference between Revenue Guidance in Effect before and after Topic 606 [Member]" } } }, "localname": "DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisaggregationOfRevenueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Disaggregation of Revenue [Abstract]", "terseLabel": "Disaggregation of Revenue [Abstract]" } } }, "localname": "DisaggregationOfRevenueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsNotes" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Disaggregation of Revenue [Line Items]", "terseLabel": "Disaggregation of Revenue [Line Items]" } } }, "localname": "DisaggregationOfRevenueLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table]", "terseLabel": "Disaggregation of Revenue [Table]" } } }, "localname": "DisaggregationOfRevenueTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTableTextBlock": { "auth_ref": [ "r319" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table Text Block]", "terseLabel": "Disaggregation of Revenue [Table Text Block]" } } }, "localname": "DisaggregationOfRevenueTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "auth_ref": [ "r427" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for share-based payment arrangement.", "label": "Share-based Payment Arrangement [Text Block]", "verboseLabel": "Stock Compensation" } } }, "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensation" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock": { "auth_ref": [ "r408", "r422" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of share-based payment arrangement.", "label": "Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]", "terseLabel": "Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]" } } }, "localname": "DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DividendsCommonStockCash": { "auth_ref": [ "r307" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.", "label": "Dividends, Common Stock, Cash", "negatedTerseLabel": "Dividends, Common Stock, Cash" } } }, "localname": "DividendsCommonStockCash", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_DomesticCountryMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.", "label": "Domestic Tax Authority [Member]", "terseLabel": "Domestic Tax Authority [Member]" } } }, "localname": "DomesticCountryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DomesticDestinationMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Domestic destinations determined principally based on geographic region as defined by the U.S. Department of Transportation.", "label": "Domestic Destination [Member]", "terseLabel": "Domestic Destination [Member]" } } }, "localname": "DomesticDestinationMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SignificantConcentrationsOfRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DomesticPlanMember": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Location of employer sponsoring plan, designed to provide retirement benefits, determined as principal place of business. Includes, but is not limited to, defined benefit and defined contribution plans.", "label": "Domestic Plan [Member]", "terseLabel": "Domestic Plan [Member]" } } }, "localname": "DomesticPlanMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_EarlyRepaymentOfSeniorDebt": { "auth_ref": [ "r124" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.", "label": "Early Repayment of Senior Debt", "negatedTerseLabel": "Early Repayment of Senior Debt", "terseLabel": "Early Repayment of Senior Debt" } } }, "localname": "EarlyRepaymentOfSeniorDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share [Abstract]", "terseLabel": "Basic and Diluted Earnings per share", "verboseLabel": "Earnings per share" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r103", "r159", "r166", "r169", "r173", "r174", "r177", "r628", "r657" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "terseLabel": "Earnings Per Share, Basic", "verboseLabel": "Basic (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic [Abstract]", "verboseLabel": "Basic EPS" } } }, "localname": "EarningsPerShareBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r103", "r159", "r166", "r169", "r173", "r174", "r177", "r628", "r657" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "terseLabel": "Earnings Per Share, Diluted", "verboseLabel": "(Loss) earnings per share, diluted (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Diluted [Abstract]", "verboseLabel": "Diluted EPS" } } }, "localname": "EarningsPerShareDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents": { "auth_ref": [ "r553" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.", "label": "Effect of Exchange Rate on Cash and Cash Equivalents", "verboseLabel": "Effect of exchange rate changes on cash and cash equivalents" } } }, "localname": "EffectOfExchangeRateOnCashAndCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r149", "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "terseLabel": "Effective Income Tax Rate Reconciliation, Percent", "totalLabel": "Total income tax provision" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Percent [Abstract]", "terseLabel": "Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss).", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "verboseLabel": "Tax at U.S. Federal statutory rate" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r443", "r444", "r470" ], "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent", "terseLabel": "Valuation Allowance - U.S. Deferred Tax Asset" } } }, "localname": "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 6.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.", "label": "Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent", "negatedLabel": "Domestic Production Activities Deduction" } } }, "localname": "EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 4.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.", "label": "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent", "verboseLabel": "Foreign rate differences" } } }, "localname": "EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 11.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent", "terseLabel": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 9.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Percent", "verboseLabel": "Other" } } }, "localname": "EffectiveIncomeTaxRateReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 13.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.", "label": "Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent", "terseLabel": "Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent" } } }, "localname": "EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 12.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the repatriation of foreign earnings.", "label": "Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent", "terseLabel": "Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent" } } }, "localname": "EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent", "verboseLabel": "State income taxes, net of Federal benefit" } } }, "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesOther": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 7.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other income tax contingencies.", "label": "Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Percent", "verboseLabel": "Interest on assessments" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxContingenciesOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Percent", "terseLabel": "State income tax credits, net of Federal benefit" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCredits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch": { "auth_ref": [ "r443", "r444", "r470" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 5.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent", "negatedLabel": "Research and experimentation" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCreditsResearch", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r421" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "terseLabel": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r421" ], "lang": { "en-US": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense": { "auth_ref": [ "r420" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of tax benefit for recognition of expense of award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Expense, Tax Benefit", "terseLabel": "Share-based Payment Arrangement, Expense, Tax Benefit" } } }, "localname": "EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Equity [Abstract]" } } }, "localname": "EquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_EquityClassOfTreasuryStockLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Equity, Class of Treasury Stock [Line Items]", "terseLabel": "Equity, Class of Treasury Stock [Line Items]" } } }, "localname": "EquityClassOfTreasuryStockLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r300" ], "lang": { "en-US": { "role": { "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.", "label": "Equity Component [Domain]", "terseLabel": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "domainItemType" }, "us-gaap_EquityMethodInvestments": { "auth_ref": [ "r42", "r206", "r234" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 7.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.", "label": "Equity Method Investments", "verboseLabel": "Equity in net assets of affiliates" } } }, "localname": "EquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquitySecuritiesByIndustryAxis": { "auth_ref": [ "r240" ], "lang": { "en-US": { "role": { "documentation": "Information by industry sector, examples include but are not limited to, commercial, industrial, agricultural, financial services, technology, healthcare and real estate.", "label": "Industry Sector [Axis]", "terseLabel": "Industry Sector [Axis]" } } }, "localname": "EquitySecuritiesByIndustryAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_EquitySecuritiesByInvestmentObjectiveAxis": { "auth_ref": [ "r356", "r390" ], "lang": { "en-US": { "role": { "documentation": "Information by investment objective.", "label": "Investment Objective [Axis]", "terseLabel": "Investment Objective [Axis]" } } }, "localname": "EquitySecuritiesByInvestmentObjectiveAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_EquitySecuritiesIndustryMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Industry sector consisting of government, private and corporate entities engaged in business activities, including but not limited to, commercial, industrial, agricultural, financial services, technology, healthcare and real estate.", "label": "Industry Sector [Domain]", "terseLabel": "Industry Sector [Domain]" } } }, "localname": "EquitySecuritiesIndustryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_EquitySecuritiesInvestmentObjectiveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Objective of investment.", "label": "Investment Objective [Domain]", "terseLabel": "Investment Objective [Domain]" } } }, "localname": "EquitySecuritiesInvestmentObjectiveMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_EquitySecuritiesMember": { "auth_ref": [ "r17", "r22", "r233", "r623", "r642", "r671" ], "lang": { "en-US": { "role": { "documentation": "Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants.", "label": "Equity Securities [Member]", "terseLabel": "Equity Securities [Member]" } } }, "localname": "EquitySecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "domainItemType" }, "us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities": { "auth_ref": [ "r424" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.", "label": "Excess Tax Benefit from Share-based Compensation, Financing Activities", "negatedLabel": "Excess tax benefit of share-based payment arrangements", "verboseLabel": "Excess tax benefit of share-based payment arrangements" } } }, "localname": "ExcessTaxBenefitFromShareBasedCompensationFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities": { "auth_ref": [ "r424" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.", "label": "Excess Tax Benefit from Share-based Compensation, Operating Activities", "negatedLabel": "Excess tax benefit of share-based payment arrangements" } } }, "localname": "ExcessTaxBenefitFromShareBasedCompensationOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ExtinguishmentOfDebtAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Gross amount of debt extinguished.", "label": "Extinguishment of Debt, Amount", "terseLabel": "Extinguishment of Debt, Amount" } } }, "localname": "ExtinguishmentOfDebtAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock": { "auth_ref": [ "r534", "r535", "r536", "r542", "r543" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.", "label": "Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]", "terseLabel": "Fair Value Measurements" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": { "auth_ref": [ "r538" ], "lang": { "en-US": { "role": { "documentation": "Class of asset.", "label": "Asset Class [Domain]", "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Class [Domain]" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]", "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByAssetClassAxis": { "auth_ref": [ "r534", "r543" ], "lang": { "en-US": { "role": { "documentation": "Information by class of asset.", "label": "Asset Class [Axis]", "terseLabel": "Fair Value by Asset Class [Axis]" } } }, "localname": "FairValueByAssetClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r357", "r358", "r390", "r535", "r593" ], "lang": { "en-US": { "role": { "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.", "label": "Fair Value Hierarchy and NAV [Axis]", "terseLabel": "Fair Value Hierarchy and NAV [Axis]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Fair Value Disclosures [Abstract]" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresTextBlock": { "auth_ref": [ "r541" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.", "label": "Fair Value Disclosures [Text Block]", "verboseLabel": "Fair Value Measurements" } } }, "localname": "FairValueDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurements" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r357", "r358", "r390", "r535", "r594" ], "lang": { "en-US": { "role": { "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.", "label": "Fair Value, Inputs, Level 1 [Member]", "verboseLabel": "Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r357", "r358", "r390", "r535", "r595" ], "lang": { "en-US": { "role": { "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.", "label": "Fair Value, Inputs, Level 2 [Member]", "verboseLabel": "Significant Other Observable Inputs (Level 2) [Member]" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r357", "r358", "r390", "r535", "r596" ], "lang": { "en-US": { "role": { "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Inputs, Level 3 [Member]", "verboseLabel": "Significant Unobservable Inputs (Level 3) [Member]" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1": { "auth_ref": [ "r539" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings", "verboseLabel": "Gain (loss)" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease": { "auth_ref": [ "r538" ], "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease)", "terseLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease)" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases": { "auth_ref": [ "r540" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases", "verboseLabel": "Purchases" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements": { "auth_ref": [ "r540" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)", "terseLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue": { "auth_ref": [ "r538" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value", "periodEndLabel": "Ending Fair Value", "periodStartLabel": "Beginning Fair Value" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.", "label": "Fair Value Hierarchy and NAV [Domain]", "terseLabel": "Fair Value Hierarchy and NAV [Domain]" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueOfFinancialInstrumentsPolicy": { "auth_ref": [ "r140", "r544", "r545" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for determining the fair value of financial instruments.", "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]", "verboseLabel": "Fair Value of Financial Instruments" } } }, "localname": "FairValueOfFinancialInstrumentsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable": { "auth_ref": [ "r505", "r511", "r526" ], "lang": { "en-US": { "role": { "documentation": "Schedule that discloses the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.", "label": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]", "terseLabel": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]" } } }, "localname": "FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_FinanceLeaseInterestExpense": { "auth_ref": [ "r572", "r577", "r586" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense on finance lease liability.", "label": "Finance Lease, Interest Expense", "terseLabel": "Finance Lease, Interest Expense" } } }, "localname": "FinanceLeaseInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseInterestPaymentOnLiability": { "auth_ref": [ "r574", "r580" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest paid on finance lease liability.", "label": "Finance Lease, Interest Payment on Liability", "terseLabel": "Finance Lease, Interest Payment on Liability" } } }, "localname": "FinanceLeaseInterestPaymentOnLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiability": { "auth_ref": [ "r571", "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.", "label": "Finance Lease, Liability", "terseLabel": "Finance Lease, Liability" } } }, "localname": "FinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Payment, Due", "terseLabel": "Finance Lease, Liability, Payment, Due" } } }, "localname": "FinanceLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due after Year Five", "terseLabel": "Finance Lease, Liability, Payments, Due after Year Five" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in next fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "Finance Lease, Liability, Payments, Due Next Twelve Months" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Five", "terseLabel": "Finance Lease, Liability, Payments, Due Year Five" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Four", "terseLabel": "Finance Lease, Liability, Payments, Due Year Four" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Three", "terseLabel": "Finance Lease, Liability, Payments, Due Year Three" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Two", "terseLabel": "Finance Lease, Liability, Payments, Due Year Two" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeasePrincipalPayments": { "auth_ref": [ "r573", "r580" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for principal payment on finance lease.", "label": "Finance Lease, Principal Payments", "terseLabel": "Finance Lease, Principal Payments" } } }, "localname": "FinanceLeasePrincipalPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAsset": { "auth_ref": [ "r570" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under finance lease.", "label": "Finance Lease, Right-of-Use Asset", "terseLabel": "Finance Lease, Right-of-Use Asset" } } }, "localname": "FinanceLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAssetAmortization": { "auth_ref": [ "r572", "r577", "r586" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to right-of-use asset from finance lease.", "label": "Finance Lease, Right-of-Use Asset, Amortization", "terseLabel": "Finance Lease, Right-of-Use Asset, Amortization" } } }, "localname": "FinanceLeaseRightOfUseAssetAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r583", "r586" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for finance lease calculated at point in time.", "label": "Finance Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Finance Lease, Weighted Average Discount Rate, Percent" } } }, "localname": "FinanceLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r582", "r586" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Finance Lease, Weighted Average Remaining Lease Term", "terseLabel": "Finance Lease, Weighted Average Remaining Lease Term" } } }, "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Finite-Lived Intangible Asset, Useful Life", "terseLabel": "Finite-Lived Intangible Asset, Useful Life" } } }, "localname": "FiniteLivedIntangibleAssetUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "auth_ref": [ "r260" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Accumulated Amortization", "negatedLabel": "Less: Accumulated amortization-patents" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "auth_ref": [ "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months", "verboseLabel": "2014" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive": { "auth_ref": [ "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Five", "verboseLabel": "2018" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "auth_ref": [ "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Four", "verboseLabel": "2017" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "auth_ref": [ "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Three", "verboseLabel": "2016" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "auth_ref": [ "r262" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Two", "verboseLabel": "2015" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r256", "r257", "r260", "r263", "r602" ], "lang": { "en-US": { "role": { "documentation": "Information by major type or class of finite-lived intangible assets.", "label": "Finite-Lived Intangible Assets by Major Class [Axis]", "terseLabel": "Finite-Lived Intangible Assets by Major Class [Axis]" } } }, "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]", "terseLabel": "Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]" } } }, "localname": "FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "auth_ref": [ "r260", "r602" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Gross", "totalLabel": "Total intangible assets" } } }, "localname": "FiniteLivedIntangibleAssetsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r256", "r259" ], "lang": { "en-US": { "role": { "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.", "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "auth_ref": [ "r260" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Net", "verboseLabel": "Intangible assets, net" } } }, "localname": "FiniteLivedIntangibleAssetsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finite-Lived Intangible Assets, Net [Abstract]", "terseLabel": "Intangible assets" } } }, "localname": "FiniteLivedIntangibleAssetsNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ForeignCountryMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Designated tax departments of governments entitled to levy and collect income taxes from the entity outside the entity's country of domicile.", "label": "Foreign Tax Authority [Member]", "terseLabel": "Foreign Tax Authority [Member]" } } }, "localname": "ForeignCountryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months": { "auth_ref": [ "r530" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.", "label": "Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months", "verboseLabel": "Foreign Currency Hedge Contracts Gain/Loss To Be Reclassified During Next 12 Months" } } }, "localname": "ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "auth_ref": [ "r550", "r551", "r552" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 3.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.", "label": "Foreign Currency Transaction Gain (Loss), before Tax", "verboseLabel": "Foreign currency losses" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossUnrealized": { "auth_ref": [ "r132", "r550", "r551", "r552" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.", "label": "Foreign Currency Transaction Gain (Loss), Unrealized", "negatedLabel": "Loss (gain) from foreign currency transactions" } } }, "localname": "ForeignCurrencyTransactionGainLossUnrealized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignExchangeContractMember": { "auth_ref": [ "r357", "r518" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument whose primary underlying risk is tied to foreign exchange rates.", "label": "Foreign Exchange Contract [Member]", "terseLabel": "Foreign Exchange Contract [Member]", "verboseLabel": "Foreign currency hedge contracts [Member]" } } }, "localname": "ForeignExchangeContractMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "domainItemType" }, "us-gaap_ForeignExchangeForwardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Foreign exchange forward traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate.", "label": "Foreign Exchange Forward [Member]", "verboseLabel": "Foreign currency hedge contracts [Member]" } } }, "localname": "ForeignExchangeForwardMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_ForeignPlanMember": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Location of employer sponsoring plan, designed to provide retirement benefits, not determined as principal place of business. Includes, but is not limited to, defined benefit and defined contribution plans.", "label": "Foreign Plan [Member]", "terseLabel": "Foreign Plan [Member]" } } }, "localname": "ForeignPlanMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet": { "auth_ref": [ "r532" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of net gain (loss) reclassified into earnings when interest rate cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.", "label": "Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net", "negatedTerseLabel": "Loss (gain) from derivative instruments" } } }, "localname": "GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments": { "auth_ref": [ "r506", "r515" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 9.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.", "label": "Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments", "terseLabel": "Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments" } } }, "localname": "GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfAccountsReceivable": { "auth_ref": [ "r599" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 5.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale of accounts receivable.", "label": "Gain (Loss) on Sale of Accounts Receivable", "terseLabel": "Gain (Loss) on Sale of Accounts Receivable" } } }, "localname": "GainLossOnSaleOfAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails", "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfPropertyPlantEquipment": { "auth_ref": [ "r131" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.", "label": "Gain (Loss) on Disposition of Property Plant Equipment", "negatedLabel": "Loss on impairment and disposition of assets" } } }, "localname": "GainLossOnSaleOfPropertyPlantEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossRelatedToLitigationSettlement": { "auth_ref": [ "r277" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 6.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.", "label": "Gain (Loss) Related to Litigation Settlement", "terseLabel": "Gain (Loss) Related to Litigation Settlement" } } }, "localname": "GainLossRelatedToLitigationSettlement", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainsLossesOnExtinguishmentOfDebt": { "auth_ref": [ "r131", "r294", "r295" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.", "label": "Gain (Loss) on Extinguishment of Debt", "negatedTerseLabel": "Gains (Losses) on Extinguishment of Debt" } } }, "localname": "GainsLossesOnExtinguishmentOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_Goodwill": { "auth_ref": [ "r249", "r250" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 3.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill", "periodEndLabel": "Ending Balance", "periodStartLabel": "Beginning Balance", "verboseLabel": "Goodwill \u2014 Europe" } } }, "localname": "Goodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock": { "auth_ref": [ "r140", "r253", "r258" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.", "label": "Goodwill and Intangible Assets, Policy [Policy Text Block]", "verboseLabel": "Intangible Assets and Goodwill" } } }, "localname": "GoodwillAndIntangibleAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Goodwill [Roll Forward]" } } }, "localname": "GoodwillRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments": { "auth_ref": [ "r251", "r252", "r479" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Translation and Purchase Accounting Adjustments", "terseLabel": "Exchange rate" } } }, "localname": "GoodwillTranslationAndPurchaseAccountingAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GrossProfit": { "auth_ref": [ "r106" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.", "label": "Gross Profit", "terseLabel": "Gross Profit" } } }, "localname": "GrossProfit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GuaranteeObligationsMaximumExposure": { "auth_ref": [ "r288" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.", "label": "Guarantor Obligations, Maximum Exposure, Undiscounted", "terseLabel": "Outstanding Amount Of Guarantees" } } }, "localname": "GuaranteeObligationsMaximumExposure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HedgingDesignationAxis": { "auth_ref": [ "r502", "r521" ], "lang": { "en-US": { "role": { "documentation": "Information by designation of purpose of derivative instrument.", "label": "Hedging Designation [Axis]", "terseLabel": "Hedging Designation [Axis]" } } }, "localname": "HedgingDesignationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_HedgingDesignationDomain": { "auth_ref": [ "r502" ], "lang": { "en-US": { "role": { "documentation": "Designation of purpose of derivative instrument.", "label": "Hedging Designation [Domain]", "terseLabel": "Hedging Designation [Domain]" } } }, "localname": "HedgingDesignationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_HeldToMaturitySecurities": { "auth_ref": [ "r225", "r227" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity).", "label": "Debt Securities, Held-to-maturity", "totalLabel": "Amortized Cost, Total" } } }, "localname": "HeldToMaturitySecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesCurrent": { "auth_ref": [ "r226" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity), classified as current.", "label": "Debt Securities, Held-to-maturity, Current", "verboseLabel": "Amortized Cost, Current" } } }, "localname": "HeldToMaturitySecuritiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Debt Securities, Held-to-maturity, Maturity [Abstract]", "verboseLabel": "Maturities of held-to-maturity securities" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue": { "auth_ref": [ "r231", "r632" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 3.0, "parentTag": "us-gaap_HeldToMaturitySecuritiesFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value", "verboseLabel": "Approximate Fair Value, Five To Ten Years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount": { "auth_ref": [ "r231", "r632" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 3.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost", "verboseLabel": "Amortized Cost, Five To Ten Years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue": { "auth_ref": [ "r230", "r631" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 2.0, "parentTag": "us-gaap_HeldToMaturitySecuritiesFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value", "verboseLabel": "Approximate Fair Value, One To Five Years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount": { "auth_ref": [ "r230", "r631" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 2.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost", "verboseLabel": "Amortized Cost, One To Five Years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue": { "auth_ref": [ "r232", "r633" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 4.0, "parentTag": "us-gaap_HeldToMaturitySecuritiesFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value", "verboseLabel": "Approximate Fair Value, After Ten Years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount": { "auth_ref": [ "r232", "r633" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 4.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security, measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Amortized Cost", "verboseLabel": "Amortized Cost, After Ten Years" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue": { "auth_ref": [ "r229", "r630" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 1.0, "parentTag": "us-gaap_HeldToMaturitySecuritiesFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value", "verboseLabel": "Approximate Fair Value, Within One Year" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount": { "auth_ref": [ "r229", "r630" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": 1.0, "parentTag": "us-gaap_HeldToMaturitySecurities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.", "label": "Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost", "verboseLabel": "Amortized Cost, Within One Year" } } }, "localname": "HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesFairValue": { "auth_ref": [ "r228" ], "calculation": { "http://www.spiritaerosystems.com/role/InvestmentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity).", "label": "Debt Securities, Held-to-maturity, Fair Value", "totalLabel": "Approximate Fair Value, Total" } } }, "localname": "HeldToMaturitySecuritiesFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HeldToMaturitySecuritiesNoncurrent": { "auth_ref": [ "r226" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at amortized cost (held-to-maturity), classified as noncurrent.", "label": "Debt Securities, Held-to-maturity, Noncurrent", "verboseLabel": "Amortized Cost, Noncurrent" } } }, "localname": "HeldToMaturitySecuritiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InvestmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain": { "auth_ref": [ "r270" ], "lang": { "en-US": { "role": { "documentation": "The name of the impaired assets to be held and used by the entity.", "label": "Impaired Long-Lived Assets Held and Used, Asset Name [Domain]", "terseLabel": "Impaired Long-Lived Assets Held and Used, Asset Name [Domain]" } } }, "localname": "ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis": { "auth_ref": [ "r270" ], "lang": { "en-US": { "role": { "documentation": "This element represents the categories used to group impaired long-lived assets held and used by the type of asset.", "label": "Impaired Long-Lived Assets Held and Used by Type [Axis]", "terseLabel": "Impaired Long-Lived Assets Held and Used by Type [Axis]" } } }, "localname": "ImpairedLongLivedAssetsHeldAndUsedByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_ImpairedLongLivedAssetsHeldAndUsedLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Impaired Long-Lived Assets Held and Used [Line Items]", "terseLabel": "Impaired Long-Lived Assets Held and Used [Line Items]" } } }, "localname": "ImpairedLongLivedAssetsHeldAndUsedLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_ImpairmentOfLongLivedAssetsHeldForUse": { "auth_ref": [ "r131", "r264", "r269", "r675" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).", "label": "Impairment of Long-Lived Assets Held-for-use", "terseLabel": "Impairment of Long-Lived Assets Held-for-use" } } }, "localname": "ImpairmentOfLongLivedAssetsHeldForUse", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the impairment and disposal of long-lived assets including goodwill and other intangible assets.", "label": "Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]", "terseLabel": "Impairment or Disposal of Long-Lived Assets, and Goodwill" } } }, "localname": "ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic": { "auth_ref": [ "r148" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Domestic", "verboseLabel": "U.S." } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign": { "auth_ref": [ "r148" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Foreign", "verboseLabel": "International" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r148" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "spr_IncomeBeforeEquityInNetLossOfAffiliates", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.", "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest", "totalLabel": "Income before income taxes and equity in net income of affiliates", "verboseLabel": "Income (loss) before income taxes and equity in net income of affiliates and subsidiaries" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r101", "r131", "r203", "r234", "r626", "r655" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) for proportionate share of equity method investee's income (loss).", "label": "Income (Loss) from Equity Method Investments", "negatedLabel": "Equity in net income of affiliates", "verboseLabel": "Equity in net income of affiliates" } } }, "localname": "IncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Statement [Abstract]", "terseLabel": "Condensed Consolidating Statements of Operations [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r271" ], "lang": { "en-US": { "role": { "documentation": "Information by location in the income statement.", "label": "Income Statement Location [Axis]", "terseLabel": "Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]" } } }, "localname": "IncomeStatementLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Location in the income statement.", "label": "Income Statement Location [Domain]", "terseLabel": "Income Statement and Other Comprehensive Income (Loss) Location [Domain]" } } }, "localname": "IncomeStatementLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxAuthorityAxis": { "auth_ref": [ "r448" ], "lang": { "en-US": { "role": { "documentation": "Information by tax jurisdiction.", "label": "Income Tax Authority [Axis]", "terseLabel": "Income Tax Authority [Axis]" } } }, "localname": "IncomeTaxAuthorityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxAuthorityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.", "label": "Income Tax Authority [Domain]", "terseLabel": "Income Tax Authority [Domain]" } } }, "localname": "IncomeTaxAuthorityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r478" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "verboseLabel": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions": { "auth_ref": [ "r473", "r475" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The tax effect of an increase or decrease in contributed capital (for example, deductible expenditures reported as a reduction of the proceeds from issuing capital stock) during the period charged or credited directly to shareholders' equity.", "label": "Income Tax Effects Allocated Directly to Equity, Equity Transactions", "terseLabel": "Income Tax Effects Allocated Directly to Equity, Equity Transactions" } } }, "localname": "IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxExaminationDescription": { "auth_ref": [ "r447" ], "lang": { "en-US": { "role": { "documentation": "A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.", "label": "Income Tax Examination, Description", "terseLabel": "Income Tax Examination, Description" } } }, "localname": "IncomeTaxExaminationDescription", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r144", "r204", "r474" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "spr_IncomeBeforeEquityInNetLossOfAffiliates", "weight": -1.0 }, "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "negatedLabel": "Income tax provision", "negatedTerseLabel": "Income Tax Expense (Benefit)", "terseLabel": "Total income tax provision" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Expense (Benefit), Continuing Operations [Abstract]", "terseLabel": "Income Tax Expense (Benefit) [Abstract]" } } }, "localname": "IncomeTaxExpenseBenefitContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Amount [Abstract]", "terseLabel": "Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]" } } }, "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxHolidayAggregateDollarAmount": { "auth_ref": [ "r472" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.", "label": "Income Tax Holiday, Aggregate Dollar Amount", "terseLabel": "Income Tax Holiday, Aggregate Dollar Amount" } } }, "localname": "IncomeTaxHolidayAggregateDollarAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxHolidayDescription": { "auth_ref": [ "r433", "r472" ], "lang": { "en-US": { "role": { "documentation": "A description of the factual circumstances giving rise to an income tax exemption or special reduction received from a taxing jurisdiction.", "label": "Income Tax Holiday, Description", "terseLabel": "Income Tax Holiday, Description" } } }, "localname": "IncomeTaxHolidayDescription", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxPolicyTextBlock": { "auth_ref": [ "r96", "r140", "r437", "r438", "r456", "r457", "r462", "r476", "r674" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.", "label": "Income Tax, Policy [Policy Text Block]", "verboseLabel": "Income Taxes" } } }, "localname": "IncomeTaxPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxReceivable": { "auth_ref": [ "r40", "r639" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.", "label": "Income Taxes Receivable", "terseLabel": "Income Taxes Receivable" } } }, "localname": "IncomeTaxReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r436", "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 14.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount", "terseLabel": "Valuation Allowance - U.S. Deferred Tax Asset" } } }, "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate": { "auth_ref": [ "r435", "r443", "r444" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.", "label": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount", "terseLabel": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount" } } }, "localname": "IncomeTaxReconciliationChangeInEnactedTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 6.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.", "label": "Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount", "negatedLabel": "Domestic Production Activities Deduction" } } }, "localname": "IncomeTaxReconciliationDeductionsQualifiedProductionActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential": { "auth_ref": [ "r142", "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 4.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount", "verboseLabel": "Foreign rate differences" } } }, "localname": "IncomeTaxReconciliationForeignIncomeTaxRateDifferential", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r143", "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "verboseLabel": "Tax at U.S. Federal statutory rate" } } }, "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationNondeductibleExpense": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 11.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount", "terseLabel": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount" } } }, "localname": "IncomeTaxReconciliationNondeductibleExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationOtherAdjustments": { "auth_ref": [ "r443" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 9.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount", "verboseLabel": "Other" } } }, "localname": "IncomeTaxReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationOtherReconcilingItems": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 13.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount", "terseLabel": "Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount" } } }, "localname": "IncomeTaxReconciliationOtherReconcilingItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 12.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings.", "label": "Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount", "negatedTerseLabel": "Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount", "terseLabel": "Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount" } } }, "localname": "IncomeTaxReconciliationRepatriationOfForeignEarnings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r143", "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount", "verboseLabel": "State income taxes, net of Federal benefit" } } }, "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationTaxContingenciesOther": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 7.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in other income tax contingencies.", "label": "Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount", "verboseLabel": "Interest on assessments" } } }, "localname": "IncomeTaxReconciliationTaxContingenciesOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationTaxCredits": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Amount", "negatedTerseLabel": "State income tax credits, net of Federal benefit" } } }, "localname": "IncomeTaxReconciliationTaxCredits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationTaxCreditsResearch": { "auth_ref": [ "r443", "r444" ], "calculation": { "http://www.spiritaerosystems.com/role/IncomeTaxesDetails": { "order": 5.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount", "negatedLabel": "Research and experimentation" } } }, "localname": "IncomeTaxReconciliationTaxCreditsResearch", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxesPaid": { "auth_ref": [ "r128", "r135" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.", "label": "Income Taxes Paid", "terseLabel": "Income taxes paid" } } }, "localname": "IncomeTaxesPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 18.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.", "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities", "verboseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase (Decrease) in Accounts Receivable", "negatedLabel": "Accounts receivable, net" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 21.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.", "label": "Increase (Decrease) in Income Taxes Payable", "verboseLabel": "Income taxes receivable/payable" } } }, "localname": "IncreaseDecreaseInAccruedIncomeTaxesPayable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings": { "auth_ref": [ "r130" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the liability reflecting cash payments received before the related costs have been incurred.", "label": "Increase (Decrease) in Billing in Excess of Cost of Earnings", "terseLabel": "Increase (Decrease) in Billing in Excess of Cost of Earnings" } } }, "localname": "IncreaseDecreaseInBillingInExcessOfCostOfEarnings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInContractWithCustomerAsset": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.", "label": "Increase (Decrease) in Contract with Customer, Asset", "terseLabel": "Increase (Decrease) in Contract with Customer, Asset" } } }, "localname": "IncreaseDecreaseInContractWithCustomerAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInContractWithCustomerLiability": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.", "label": "Increase (Decrease) in Contract with Customer, Liability", "terseLabel": "Increase (Decrease) in Contract with Customer, Liability" } } }, "localname": "IncreaseDecreaseInContractWithCustomerLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInCustomerAdvances": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 20.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the amount of prepayments by customers for goods or services to be provided at a later date.", "label": "Increase (Decrease) in Customer Advances", "terseLabel": "Increase (Decrease) in Customer Advances", "verboseLabel": "Advance payments" } } }, "localname": "IncreaseDecreaseInCustomerAdvances", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AdvancePaymentsAndDeferredRevenueCreditsDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredCompensation": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 19.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the obligation created by employee agreements whereby earned compensation will be paid in the future.", "label": "Increase (Decrease) in Deferred Compensation", "verboseLabel": "Profit sharing/deferred compensation" } } }, "localname": "IncreaseDecreaseInDeferredCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredLiabilities": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 22.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Change during the period in carrying value for all deferred liabilities due within one year or operating cycle.", "label": "Increase (Decrease) in Deferred Liabilities", "verboseLabel": "Deferred revenue and other deferred credits" } } }, "localname": "IncreaseDecreaseInDeferredLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInInventories": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.", "label": "Increase (Decrease) in Inventories", "negatedLabel": "Inventory, net" } } }, "localname": "IncreaseDecreaseInInventories", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "verboseLabel": "Changes in assets and liabilities" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 23.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.", "label": "Increase (Decrease) in Other Operating Assets and Liabilities, Net", "negatedLabel": "Other" } } }, "localname": "IncreaseDecreaseInOtherOperatingCapitalNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInRestrictedCash": { "auth_ref": [ "r116", "r119" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.", "label": "Increase (Decrease) in Restricted Cash", "negatedTerseLabel": "Increase (Decrease) in Restricted Cash" } } }, "localname": "IncreaseDecreaseInRestrictedCash", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights": { "auth_ref": [ "r167", "r168", "r170", "r171", "r172" ], "lang": { "en-US": { "role": { "documentation": "This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.", "label": "Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights", "verboseLabel": "Income allocated to participating securities, shares" } } }, "localname": "IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_InterestAndDebtExpense": { "auth_ref": [ "r556" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Interest and debt related expenses associated with nonoperating financing activities of the entity.", "label": "Interest and Debt Expense", "negatedLabel": "Interest expense and financing fee amortization" } } }, "localname": "InterestAndDebtExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestCostsCapitalized": { "auth_ref": [ "r555" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest capitalized during the period.", "label": "Interest Costs Capitalized", "verboseLabel": "Capitalized Interest Related To Construction-In-Progress" } } }, "localname": "InterestCostsCapitalized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseMember": { "auth_ref": [ "r519" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing interest expense.", "label": "Interest Expense [Member]", "terseLabel": "Interest Expense [Member]" } } }, "localname": "InterestExpenseMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "domainItemType" }, "us-gaap_InterestIncomeOther": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 4.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest income earned from interest bearing assets classified as other.", "label": "Interest Income, Other", "terseLabel": "Interest Income, Other" } } }, "localname": "InterestIncomeOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestIncomeSecuritiesStateAndMunicipal": { "auth_ref": [ "r629" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 2.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.", "label": "Interest Income, Securities, State and Municipal", "terseLabel": "Kansas Development Finance Authority bond" } } }, "localname": "InterestIncomeSecuritiesStateAndMunicipal", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaid": { "auth_ref": [ "r135" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.", "label": "Interest Paid, Including Capitalized Interest, Operating and Investing Activities", "terseLabel": "Interest paid" } } }, "localname": "InterestPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPayableCurrent": { "auth_ref": [ "r13", "r14", "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 3.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Interest Payable, Current", "verboseLabel": "Accrued interest" } } }, "localname": "InterestPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet": { "auth_ref": [ "r530" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.", "label": "Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net", "verboseLabel": "Interest Rate Swaps Gain/Loss To Be Reclassified During Next 12 Months" } } }, "localname": "InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateContractMember": { "auth_ref": [ "r357", "r517" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate.", "label": "Interest Rate Contract [Member]", "verboseLabel": "Interest rate swaps [Member]" } } }, "localname": "InterestRateContractMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InterestRateDerivativeLiabilitiesAtFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.", "label": "Interest Rate Derivative Liabilities, at Fair Value", "negatedLabel": "Fair Value" } } }, "localname": "InterestRateDerivativeLiabilitiesAtFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateDerivativesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Interest Rate Derivatives [Abstract]", "verboseLabel": "Interest Rate Swaps" } } }, "localname": "InterestRateDerivativesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_InterestRateSwapMember": { "auth_ref": [ "r517" ], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.", "label": "Interest Rate Swap [Member]", "terseLabel": "Interest Rate Swap [Member]" } } }, "localname": "InterestRateSwapMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_InventoryDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Inventory Disclosure [Abstract]" } } }, "localname": "InventoryDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_InventoryDisclosureTextBlock": { "auth_ref": [ "r248" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.", "label": "Inventory Disclosure [Text Block]", "verboseLabel": "Inventory" } } }, "localname": "InventoryDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/Inventory" ], "xbrltype": "textBlockItemType" }, "us-gaap_InventoryFinishedGoodsNetOfReserves": { "auth_ref": [ "r37", "r247" ], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": 1.0, "parentTag": "spr_NetInventoryRawMaterialsFinishedGoodsAndWorkInProcess", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.", "label": "Inventory, Finished Goods, Net of Reserves", "verboseLabel": "Finished goods" } } }, "localname": "InventoryFinishedGoodsNetOfReserves", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryNet": { "auth_ref": [ "r4", "r66", "r242" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.spiritaerosystems.com/role/InventoryDetails1": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.", "label": "Inventory, Net", "terseLabel": "Inventory, net", "totalLabel": "Total inventory, net", "verboseLabel": "Inventory, net" } } }, "localname": "InventoryNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/InventoryDetails", "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryPolicyTextBlock": { "auth_ref": [ "r15", "r67", "r140", "r181", "r243", "r245" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.", "label": "Inventory, Policy [Policy Text Block]", "verboseLabel": "Inventory" } } }, "localname": "InventoryPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_InventoryRawMaterialsNetOfReserves": { "auth_ref": [ "r39", "r247" ], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": 3.0, "parentTag": "spr_NetInventoryRawMaterialsFinishedGoodsAndWorkInProcess", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.", "label": "Inventory, Raw Materials, Net of Reserves", "verboseLabel": "Raw materials" } } }, "localname": "InventoryRawMaterialsNetOfReserves", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryValuationReserves": { "auth_ref": [ "r66", "r155", "r242", "r246" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of valuation reserve for inventory.", "label": "Inventory Valuation Reserves", "terseLabel": "Inventory Valuation Reserves" } } }, "localname": "InventoryValuationReserves", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryWorkInProcessNetOfReserves": { "auth_ref": [ "r38", "r247" ], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": 2.0, "parentTag": "spr_NetInventoryRawMaterialsFinishedGoodsAndWorkInProcess", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.", "label": "Inventory, Work in Process, Net of Reserves", "verboseLabel": "Work-in-process(1)" } } }, "localname": "InventoryWorkInProcessNetOfReserves", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryWriteDown": { "auth_ref": [ "r244" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.", "label": "Inventory Write-down", "terseLabel": "Inventory Write-down" } } }, "localname": "InventoryWriteDown", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentIncomeInterest": { "auth_ref": [ "r110", "r202" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.", "label": "Investment Income, Interest", "negatedLabel": "Interest income" } } }, "localname": "InvestmentIncomeInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Investments, Debt and Equity Securities [Abstract]" } } }, "localname": "InvestmentsDebtAndEquitySecuritiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": { "auth_ref": [ "r233", "r615", "r634", "r672" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for investments in certain debt and equity securities.", "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]", "terseLabel": "Investments" } } }, "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/Investments" ], "xbrltype": "textBlockItemType" }, "us-gaap_ItemEffectedLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Item Effected [Line Items]", "terseLabel": "Item Effected [Line Items]" } } }, "localname": "ItemEffectedLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables" ], "xbrltype": "stringItemType" }, "us-gaap_Land": { "auth_ref": [ "r8", "r44" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.", "label": "Land", "verboseLabel": "Land" } } }, "localname": "Land", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LandAndLandImprovementsMember": { "auth_ref": [ "r8" ], "lang": { "en-US": { "role": { "documentation": "Real estate held and assets that are an addition or improvement to real estate held.", "label": "Land and Land Improvements [Member]", "terseLabel": "Land and Land Improvements [Member]" } } }, "localname": "LandAndLandImprovementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeaseCost": { "auth_ref": [ "r584", "r586" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease cost recognized by lessee for lease contract.", "label": "Lease, Cost", "terseLabel": "Lease, Cost" } } }, "localname": "LeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeasesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Leases [Abstract]" } } }, "localname": "LeasesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_LeasesOfLesseeDisclosureTextBlock": { "auth_ref": [ "r568" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.", "label": "Leases of Lessee Disclosure [Text Block]", "terseLabel": "Leases of Lessee Disclosure [Text Block]" } } }, "localname": "LeasesOfLesseeDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesNotes", "http://www.spiritaerosystems.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Lessee Disclosure [Abstract]", "terseLabel": "Lessee Disclosure [Abstract]" } } }, "localname": "LesseeDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesNotes" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeasesPolicyTextBlock": { "auth_ref": [ "r576" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee.", "label": "Lessee, Leases [Policy Text Block]", "terseLabel": "Lessee, Leases [Policy Text Block]" } } }, "localname": "LesseeLeasesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesNotes" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Payments, Due", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due after Year Five", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due after Year Five" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Five", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due Year Five" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Four", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due Year Four" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Three", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due Year Three" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r585" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Two", "terseLabel": "Lessee, Operating Lease, Liability, Payments, Due Year Two" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r34", "r622", "r651" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "terseLabel": "Liabilities and Equity", "totalLabel": "Total liabilities and equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r51" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.", "label": "Liabilities, Current", "totalLabel": "Total current liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Current [Abstract]", "verboseLabel": "Liabilities" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LineOfCredit": { "auth_ref": [ "r24", "r620", "r641" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.", "label": "Long-term Line of Credit", "terseLabel": "Outstanding Amount Of Letter Of Credit" } } }, "localname": "LineOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [ "r48" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "verboseLabel": "Borrowing capacity under the revolving credit facility" } } }, "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": { "auth_ref": [ "r221" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.", "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]", "verboseLabel": "Accounts Receivable, net" } } }, "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_LoansPayableToBank": { "auth_ref": [ "r24", "r620", "r640" ], "calculation": { "http://www.spiritaerosystems.com/role/DebtDetails": { "order": 3.0, "parentTag": "us-gaap_DebtAndCapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.", "label": "Loans Payable to Bank", "verboseLabel": "Malaysian term loan" } } }, "localname": "LoansPayableToBank", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansPayableToBankCurrent": { "auth_ref": [ "r21" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of current portion of long-term loans payable to bank due within one year or the operating cycle if longer.", "label": "Loans Payable to Bank, Current", "terseLabel": "Loans Payable to Bank, Current" } } }, "localname": "LoansPayableToBankCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LondonInterbankOfferedRateLIBORMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.", "label": "London Interbank Offered Rate (LIBOR) [Member]", "terseLabel": "LIBOR [Member]" } } }, "localname": "LondonInterbankOfferedRateLIBORMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r24", "r293", "r620", "r648" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "verboseLabel": "Long-term Debt, Carrying Amount" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Long-term Debt, Unclassified [Abstract]", "verboseLabel": "Carrying amount and estimated fair value of long term debt" } } }, "localname": "LongTermDebtAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligations": { "auth_ref": [ "r24" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 10.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt and lease obligation, classified as noncurrent.", "label": "Long-term Debt and Lease Obligation", "terseLabel": "Long-term Debt and Lease Obligation", "verboseLabel": "Long-term debt" } } }, "localname": "LongTermDebtAndCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent": { "auth_ref": [ "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt and lease obligation, classified as current.", "label": "Long-term Debt and Lease Obligation, Current", "terseLabel": "Long-term Debt and Lease Obligation, Current", "verboseLabel": "Current portion of long-term debt" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermLoansFromBank": { "auth_ref": [ "r24", "r620", "r647" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the operating cycle if longer, excluding current portion.", "label": "Loans Payable to Bank, Noncurrent", "terseLabel": "Loans Payable to Bank, Noncurrent" } } }, "localname": "LongTermLoansFromBank", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r55" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-term debt.", "label": "Long-term Debt, Type [Axis]", "terseLabel": "Long-term Debt, Type [Axis]" } } }, "localname": "LongtermDebtTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r55", "r291" ], "lang": { "en-US": { "role": { "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Long-term Debt, Type [Domain]", "terseLabel": "Long-term Debt, Type [Domain]" } } }, "localname": "LongtermDebtTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LossContingenciesTable": { "auth_ref": [ "r277", "r278", "r279", "r280", "r281", "r282", "r283", "r286", "r287" ], "lang": { "en-US": { "role": { "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.", "label": "Loss Contingencies [Table]", "terseLabel": "Loss Contingencies [Table]" } } }, "localname": "LossContingenciesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingencyAccrualAtCarryingValue": { "auth_ref": [ "r277" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of loss contingency liability.", "label": "Loss Contingency Accrual", "terseLabel": "Loss Contingency Accrual" } } }, "localname": "LossContingencyAccrualAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MachineryAndEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.", "label": "Machinery and Equipment [Member]", "terseLabel": "Machinery and Equipment [Member]" } } }, "localname": "MachineryAndEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1": { "auth_ref": [ "r531" ], "lang": { "en-US": { "role": { "documentation": "Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Maximum Length of Time Hedged in Cash Flow Hedge", "terseLabel": "Maximum Length of Time Hedged in Cash Flow Hedge" } } }, "localname": "MaximumLengthOfTimeHedgedInCashFlowHedge1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "durationItemType" }, "us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock": { "auth_ref": [ "r1", "r483" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings.", "label": "Mergers, Acquisitions and Dispositions Disclosures [Text Block]", "terseLabel": "Mergers, Acquisitions and Dispositions Disclosures [Text Block]" } } }, "localname": "MergersAcquisitionsAndDispositionsDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AcquisitionsNotes" ], "xbrltype": "textBlockItemType" }, "us-gaap_MinorityInterest": { "auth_ref": [ "r64", "r621", "r650" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).", "label": "Stockholders' Equity Attributable to Noncontrolling Interest", "verboseLabel": "Noncontrolling interest" } } }, "localname": "MinorityInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MoneyMarketFundsMember": { "auth_ref": [ "r357" ], "lang": { "en-US": { "role": { "documentation": "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.", "label": "Money Market Funds [Member]", "terseLabel": "Money Market Fund [Member]" } } }, "localname": "MoneyMarketFundsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]", "verboseLabel": "Service warranty roll forward" } } }, "localname": "MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MultiemployerPlanContributionsByEmployer": { "auth_ref": [ "r396", "r399", "r403" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contributions made to multiemployer plan by employer.", "label": "Multiemployer Plan, Contributions by Employer", "verboseLabel": "Contributions" } } }, "localname": "MultiemployerPlanContributionsByEmployer", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_MultiemployerPlansCertifiedZoneStatus": { "auth_ref": [ "r397" ], "lang": { "en-US": { "role": { "documentation": "Indicate the multiemployer plan's certified zone status as currently required by the Pension Protection Act of 2006 or a subsequent amendment thereof. The zone status categories are red (critical status), orange (seriously endangered), yellow (endangered), and green (none of the above). The acceptable values are \"red\", \"orange\", \"yellow\", \"green\", \"other\", and \"NA\". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.", "label": "Multiemployer Plans, Certified Zone Status [Fixed List]", "terseLabel": "Multiemployer Plans, Certified Zone Status [Fixed List]" } } }, "localname": "MultiemployerPlansCertifiedZoneStatus", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "zoneStatusItemType" }, "us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate": { "auth_ref": [ "r398" ], "lang": { "en-US": { "role": { "documentation": "Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.", "label": "Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date", "terseLabel": "Multiemployer Plans Collective Bargaining Arrangement Expiration Date" } } }, "localname": "MultiemployerPlansCollectiveBargainingArrangementExpirationDate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "dateItemType" }, "us-gaap_MultiemployerPlansLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Multiemployer Plans [Line Items]", "terseLabel": "Multiemployer Plans [Line Items]" } } }, "localname": "MultiemployerPlansLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_MultiemployerPlansPlanBenefitsDescription": { "auth_ref": [ "r396", "r402" ], "lang": { "en-US": { "role": { "documentation": "Description of the nature of multiemployer plan benefits as well as who is covered by the benefits. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.", "label": "Multiemployer Plans, Plan Benefits, Description", "terseLabel": "Description of Multiemployer Plan" } } }, "localname": "MultiemployerPlansPlanBenefitsDescription", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_MultiemployerPlansSurcharge": { "auth_ref": [ "r400" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the employer paid a surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are \"no\", \"yes\", and \"NA\".", "label": "Multiemployer Plans, Surcharge [Fixed List]", "terseLabel": "Multiemployer Plans, Surcharge [Fixed List]" } } }, "localname": "MultiemployerPlansSurcharge", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "surchargeItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r127" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Net cash provided by (used in) financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "verboseLabel": "Financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r127" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Net cash used in investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "verboseLabel": "Investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r127", "r129", "r132" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Net cash provided by operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "verboseLabel": "Operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r90", "r93", "r102", "r132", "r176", "r627", "r656" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 24.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net Income (Loss) Attributable to Parent", "terseLabel": "Net income", "totalLabel": "Net income", "verboseLabel": "Net income" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "auth_ref": [ "r159", "r164" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "verboseLabel": "(Loss) income available to common shareholders" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NewAccountingPronouncementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues \"Accounting Standards Updates\" to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.", "label": "Adjustments for New Accounting Pronouncement [Member]", "terseLabel": "Adjustments for New Accounting Pronouncement [Member]" } } }, "localname": "NewAccountingPronouncementMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.", "label": "New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification", "terseLabel": "New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification" } } }, "localname": "NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleRetrospectiveAdjustmentsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]", "terseLabel": "New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustments [Abstract]" } } }, "localname": "NewAccountingPronouncementOrChangeInAccountingPrincipleRetrospectiveAdjustmentsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": { "auth_ref": [ "r158", "r160" ], "lang": { "en-US": { "role": { "documentation": "Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items.", "label": "New Accounting Pronouncements or Change in Accounting Principle [Table]", "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Table]" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "New Accounting Pronouncements, Policy [Policy Text Block]" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsNotes", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NoncurrentAssets": { "auth_ref": [ "r212" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.", "label": "Long-Lived Assets", "terseLabel": "Long-Lived Assets" } } }, "localname": "NoncurrentAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_NondesignatedMember": { "auth_ref": [ "r502" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Not Designated as Hedging Instrument [Member]", "terseLabel": "Not Designated as Hedging Instrument [Member]" } } }, "localname": "NondesignatedMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails1" ], "xbrltype": "domainItemType" }, "us-gaap_NontradeReceivablesCurrent": { "auth_ref": [ "r68" ], "calculation": { "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails": { "order": 3.0, "parentTag": "us-gaap_AccountsReceivableNetCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The sum of amounts currently receivable other than from customers. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.", "label": "Nontrade Receivables, Current", "verboseLabel": "Other" } } }, "localname": "NontradeReceivablesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/SegmentInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "Operating income", "verboseLabel": "Operating income (loss)" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseCost": { "auth_ref": [ "r578", "r586" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.", "label": "Operating Lease, Cost", "terseLabel": "Operating Lease, Cost" } } }, "localname": "OperatingLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiability": { "auth_ref": [ "r571" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.", "label": "Operating Lease, Liability", "terseLabel": "Operating Lease, Liability" } } }, "localname": "OperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityCurrent": { "auth_ref": [ "r571" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.", "label": "Operating Lease, Liability, Current", "terseLabel": "Operating Lease, Liability, Current" } } }, "localname": "OperatingLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "auth_ref": [ "r571" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.", "label": "Operating Lease, Liability, Noncurrent", "terseLabel": "Operating Lease, Liability, Noncurrent" } } }, "localname": "OperatingLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasePayments": { "auth_ref": [ "r575", "r580" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.", "label": "Operating Lease, Payments", "terseLabel": "Operating Lease, Payments" } } }, "localname": "OperatingLeasePayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r570" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 8.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under operating lease.", "label": "Operating Lease, Right-of-Use Asset", "terseLabel": "Operating Lease, Right-of-Use Asset" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r583", "r586" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for operating lease calculated at point in time.", "label": "Operating Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Operating Lease, Weighted Average Discount Rate, Percent" } } }, "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r582", "r586" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Operating Lease, Weighted Average Remaining Lease Term", "terseLabel": "Operating Lease, Weighted Average Remaining Lease Term" } } }, "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r562", "r564" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months", "verboseLabel": "2014" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r562", "r564" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Five Years", "verboseLabel": "2018" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r562", "r564" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Four Years", "verboseLabel": "2017" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r562", "r564" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Three Years", "verboseLabel": "2016" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r562", "r564" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Two Years", "verboseLabel": "2015" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r562", "r564" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due Thereafter", "verboseLabel": "2019 and thereafter" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesRentExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Leases, Rent Expense, Net [Abstract]" } } }, "localname": "OperatingLeasesRentExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeasesRentExpenseMinimumRentals": { "auth_ref": [ "r561", "r562", "r563" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.", "label": "Operating Leases, Rent Expense, Minimum Rentals", "terseLabel": "Operating Leases, Rent Expense, Minimum Rentals" } } }, "localname": "OperatingLeasesRentExpenseMinimumRentals", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesRentExpenseNet": { "auth_ref": [ "r563" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.", "label": "Operating Leases, Rent Expense, Net", "terseLabel": "Operating Leases, Rent Expense, Net" } } }, "localname": "OperatingLeasesRentExpenseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsLeaseTableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwards": { "auth_ref": [ "r463" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Operating Loss Carryforwards", "terseLabel": "Operating Loss Carryforwards" } } }, "localname": "OperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwardsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Operating Loss Carryforwards [Line Items]", "terseLabel": "Operating Loss Carryforwards [Line Items]" } } }, "localname": "OperatingLossCarryforwardsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLossCarryforwardsTable": { "auth_ref": [ "r464" ], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.", "label": "Operating Loss Carryforwards [Table]", "terseLabel": "Operating Loss Carryforwards [Table]" } } }, "localname": "OperatingLossCarryforwardsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": { "auth_ref": [ "r2", "r496" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.", "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]", "terseLabel": "Nature of Business" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NatureOfBusiness" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAccruedLiabilitiesCurrent": { "auth_ref": [ "r11", "r13", "r14", "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 7.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Current", "terseLabel": "Other Accrued Liabilities, Current", "verboseLabel": "Other" } } }, "localname": "OtherAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsCurrent": { "auth_ref": [ "r68" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current assets classified as other.", "label": "Other Assets, Current", "terseLabel": "Other Assets, Current", "verboseLabel": "Other current assets" } } }, "localname": "OtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r46" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "terseLabel": "Other Assets, Noncurrent", "totalLabel": "Total", "verboseLabel": "Other assets" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsNoncurrentDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Assets, Noncurrent Disclosure [Abstract]", "verboseLabel": "Other assets" } } }, "localname": "OtherAssetsNoncurrentDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax": { "auth_ref": [ "r78", "r82" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 4.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax", "terseLabel": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax" } } }, "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax": { "auth_ref": [ "r83" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax", "terseLabel": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax" } } }, "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax": { "auth_ref": [ "r76", "r554" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 5.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax", "verboseLabel": "Foreign currency translation adjustments" } } }, "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r91", "r94", "r97", "r300" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).", "label": "Other Comprehensive Income (Loss), Net of Tax", "terseLabel": "Total other comprehensive income (loss)", "totalLabel": "Total other comprehensive income (loss), net of tax", "verboseLabel": "Other Comprehensive Income" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax": { "auth_ref": [ "r80", "r82" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax", "negatedLabel": "Pension, SERP and Retiree medical adjustments, net of tax" } } }, "localname": "OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax": { "auth_ref": [ "r80", "r83", "r487" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax", "verboseLabel": "Pension, SERP and Retiree medical adjustments, tax" } } }, "localname": "OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax": { "auth_ref": [ "r82", "r87", "r88", "r503" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax", "terseLabel": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax", "verboseLabel": "Less: reclassification adjustment for loss realized in net income, net of tax effect" } } }, "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax": { "auth_ref": [ "r83" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax", "verboseLabel": "Reclassification adjustment on derivatives, tax" } } }, "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax": { "auth_ref": [ "r82", "r87", "r88", "r367" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.", "label": "Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax", "terseLabel": "Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax" } } }, "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax": { "auth_ref": [ "r78", "r82", "r529" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax", "verboseLabel": "Amount of Gain or (Loss) Recognized in OCI, net of tax, on Derivative (Effective Portion)" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax": { "auth_ref": [ "r78", "r82", "r529" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax", "verboseLabel": "Unrealized gain (loss) on derivatives arising during period, net of tax effect" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax": { "auth_ref": [ "r78", "r83" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax", "verboseLabel": "Unrealized gain (loss) on derivatives arising during period, tax" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherCustomerMember": { "auth_ref": [ "r659", "r661", "r662", "r663", "r667", "r669" ], "lang": { "en-US": { "role": { "documentation": "Customer classified as other.", "label": "Other Customer [Member]", "terseLabel": "Other Customer [Member]" } } }, "localname": "OtherCustomerMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherEmployeeRelatedLiabilitiesCurrent": { "auth_ref": [ "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 2.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligations incurred for employer-related costs classified as other, payable within one year or the normal operating cycle, if longer.", "label": "Other Employee-related Liabilities, Current", "verboseLabel": "Accrued fringe benefits" } } }, "localname": "OtherEmployeeRelatedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIncome": { "auth_ref": [ "r658" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 7.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue and income classified as other.", "label": "Other Income", "terseLabel": "Other Income" } } }, "localname": "OtherIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock": { "auth_ref": [ "r332", "r428" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.", "label": "Other Income and Other Expense Disclosure [Text Block]", "verboseLabel": "Other Income (Expense), Net" } } }, "localname": "OtherIncomeAndOtherExpenseDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherInventoryCapitalizedCosts": { "auth_ref": [ "r65" ], "calculation": { "http://www.spiritaerosystems.com/role/InventoryDetails": { "order": 2.0, "parentTag": "us-gaap_InventoryNet", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/InventoryDetails1": { "order": 3.0, "parentTag": "us-gaap_InventoryNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before valuation and last-in first out (LIFO) reserves, of costs capitalized in inventory classified as other, expected to be sold, or consumed within one year or operating cycle, if longer.", "label": "Other Inventory, Capitalized Costs, Gross", "terseLabel": "Capitalized pre-production", "verboseLabel": "Total capitalized pre-production" } } }, "localname": "OtherInventoryCapitalizedCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/InventoryDetails", "http://www.spiritaerosystems.com/role/InventoryDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesAndDeferredRevenueNoncurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 3.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations and noncurrent portion of deferred revenue not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months.", "label": "Other Liabilities and Deferred Revenue, Noncurrent", "verboseLabel": "Other" } } }, "localname": "OtherLiabilitiesAndDeferredRevenueNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesCurrent": { "auth_ref": [ "r10", "r11", "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Current", "terseLabel": "Other Liabilities, Current", "verboseLabel": "Other current liabilities" } } }, "localname": "OtherLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesNoncurrent": { "auth_ref": [ "r56" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 9.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Noncurrent", "totalLabel": "Total", "verboseLabel": "Other non-current liabilities" } } }, "localname": "OtherLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Liabilities, Noncurrent [Abstract]" } } }, "localname": "OtherLiabilitiesNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherLongTermDebt": { "auth_ref": [ "r24", "r620", "r648" ], "calculation": { "http://www.spiritaerosystems.com/role/DebtDetails": { "order": 1.0, "parentTag": "us-gaap_DebtAndCapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt classified as other.", "label": "Other Long-term Debt", "verboseLabel": "Other" } } }, "localname": "OtherLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLongTermDebtCurrent": { "auth_ref": [ "r21", "r23" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt classified as other, payable within one year or the operating cycle, if longer.", "label": "Other Long-term Debt, Current", "terseLabel": "Other Long-term Debt, Current" } } }, "localname": "OtherLongTermDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLongTermDebtNoncurrent": { "auth_ref": [ "r55" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.", "label": "Other Long-term Debt, Noncurrent", "terseLabel": "Other Long-term Debt, Noncurrent" } } }, "localname": "OtherLongTermDebtNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpense": { "auth_ref": [ "r112" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.", "label": "Other Nonoperating Income (Expense)", "negatedLabel": "Other (expense) income, net", "terseLabel": "Other Nonoperating Income (Expense)", "totalLabel": "Total Other (Expense) Income, net", "verboseLabel": "Other income, net" } } }, "localname": "OtherNonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Nonoperating Income (Expense) [Abstract]" } } }, "localname": "OtherNonoperatingIncomeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember": { "auth_ref": [ "r336", "r376", "r377", "r395" ], "lang": { "en-US": { "role": { "documentation": "Plan designed to provide other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits.", "label": "Other Postretirement Benefits Plan [Member]", "terseLabel": "Other Benefits [Member]" } } }, "localname": "OtherPostretirementBenefitPlansDefinedBenefitMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_PatentsMember": { "auth_ref": [ "r482" ], "lang": { "en-US": { "role": { "documentation": "Exclusive legal right granted by the government to the owner of the patent to exploit an invention or a process for a period of time specified by law.", "label": "Patents [Member]", "terseLabel": "Patents [Member]" } } }, "localname": "PatentsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PaymentsForProceedsFromOtherInvestingActivities": { "auth_ref": [ "r116", "r119", "r153" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash (inflow) outflow from investing activities classified as other.", "label": "Payments for (Proceeds from) Other Investing Activities", "terseLabel": "Payments for (Proceeds from) Other Investing Activities" } } }, "localname": "PaymentsForProceedsFromOtherInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForRepurchaseOfCommonStock": { "auth_ref": [ "r123" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to reacquire common stock during the period.", "label": "Payments for Repurchase of Common Stock", "negatedTerseLabel": "Payments for Repurchase of Common Stock", "terseLabel": "Payments for Repurchase of Common Stock" } } }, "localname": "PaymentsForRepurchaseOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDebtExtinguishmentCosts": { "auth_ref": [ "r125" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.", "label": "Payment for Debt Extinguishment or Debt Prepayment Cost", "terseLabel": "Payment for Debt Extinguishment or Debt Prepayment Cost" } } }, "localname": "PaymentsOfDebtExtinguishmentCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDividends": { "auth_ref": [ "r123" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.", "label": "Payments of Dividends", "terseLabel": "Payments of Dividends" } } }, "localname": "PaymentsOfDividends", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfFinancingCosts": { "auth_ref": [ "r126" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for loan and debt issuance costs.", "label": "Payments of Financing Costs", "negatedLabel": "Debt issuance and financing costs" } } }, "localname": "PaymentsOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation": { "auth_ref": [ "r123" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.", "label": "Payment, Tax Withholding, Share-based Payment Arrangement", "negatedTerseLabel": "Payment, Tax Withholding, Share-based Payment Arrangement" } } }, "localname": "PaymentsRelatedToTaxWithholdingForShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates": { "auth_ref": [ "r117" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).", "label": "Payments to Acquire Interest in Subsidiaries and Affiliates", "negatedTerseLabel": "Payments to Acquire Interest in Subsidiaries and Affiliates" } } }, "localname": "PaymentsToAcquireInterestInSubsidiariesAndAffiliates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r118" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.", "label": "Payments to Acquire Property, Plant, and Equipment", "negatedLabel": "Purchase of property, plant and equipment" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PensionAndOtherPostretirementBenefitExpense": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost (reversal of cost) for pension and other postretirement benefits.", "label": "Pension and Other Postretirement Benefits Cost (Reversal of Cost)", "verboseLabel": "Pension and other post-retirement benefits, net" } } }, "localname": "PensionAndOtherPostretirementBenefitExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]" } } }, "localname": "PensionAndOtherPostretirementBenefitExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock": { "auth_ref": [ "r404" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for pension and other postretirement benefits.", "label": "Pension and Other Postretirement Benefits Disclosure [Text Block]", "terseLabel": "Pension and Other Postretirement Benefits Disclosure [Text Block]" } } }, "localname": "PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefits" ], "xbrltype": "textBlockItemType" }, "us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities": { "auth_ref": [ "r23", "r337", "r338", "r355" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current.", "label": "Liability, Defined Benefit Plan, Current", "negatedLabel": "Current liabilities" } } }, "localname": "PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent": { "auth_ref": [ "r25", "r337", "r338", "r355" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.", "label": "Liability, Defined Benefit Plan, Noncurrent", "negatedTerseLabel": "Noncurrent liabilities", "verboseLabel": "Pension/OPEB obligation" } } }, "localname": "PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PensionPlansDefinedBenefitMember": { "auth_ref": [ "r335", "r376", "r377", "r395" ], "lang": { "en-US": { "role": { "documentation": "Plan designed to provide participant with pension benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes other postretirement benefits.", "label": "Pension Plan [Member]", "terseLabel": "Pension Plan [Member]" } } }, "localname": "PensionPlansDefinedBenefitMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_PlanAssetCategoriesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Defined benefit plan asset investment.", "label": "Defined Benefit Plan, Plan Assets, Category [Domain]", "terseLabel": "Defined Benefit Plan, Plan Assets, Category [Domain]" } } }, "localname": "PlanAssetCategoriesDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company.", "label": "Preferred Stock [Member]", "terseLabel": "Preferred Stock [Member]" } } }, "localname": "PreferredStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]", "terseLabel": "Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]" } } }, "localname": "PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r27" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred Stock, Par Value", "verboseLabel": "Preferred stock, par value" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r27" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred Stock, Shares Authorized", "verboseLabel": "Preferred stock, shares authorized" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r27" ], "lang": { "en-US": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "verboseLabel": "Preferred stock, shares issued" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r27" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Preferred Stock, Value, Issued", "verboseLabel": "Preferred stock, par value $0.01, 10,000,000 shares authorized, no shares issued" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested": { "auth_ref": [ "r114" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "This element represents the cash inflow during the period from the sale of a component of the entity.", "label": "Proceeds from Divestiture of Businesses, Net of Cash Divested", "terseLabel": "Proceeds from Divestiture of Businesses, Net of Cash Divested" } } }, "localname": "ProceedsFromDivestitureOfBusinessesNetOfCashDivested", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIncomeTaxRefunds": { "auth_ref": [ "r129", "r135" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of cash received during the period as refunds for the overpayment of taxes.", "label": "Proceeds from Income Tax Refunds", "negatedTerseLabel": "Proceeds from Income Tax Refunds" } } }, "localname": "ProceedsFromIncomeTaxRefunds", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt": { "auth_ref": [ "r121" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).", "label": "Proceeds from Issuance of Senior Long-term Debt", "terseLabel": "Proceeds from Issuance of Senior Long-term Debt", "totalLabel": "Proceeds from Issuance of Senior Long-term Debt" } } }, "localname": "ProceedsFromIssuanceOfSeniorLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfSubordinatedLongTermDebt": { "auth_ref": [ "r121" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.", "label": "Proceeds from Issuance of Subordinated Long-term Debt", "terseLabel": "Proceeds from Issuance of Subordinated Long-term Debt" } } }, "localname": "ProceedsFromIssuanceOfSubordinatedLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromLinesOfCredit": { "auth_ref": [ "r121", "r147" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.", "label": "Proceeds from Lines of Credit", "terseLabel": "Proceeds from Lines of Credit", "verboseLabel": "Proceeds from revolving credit facility" } } }, "localname": "ProceedsFromLinesOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromNotesPayable": { "auth_ref": [ "r121" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a borrowing supported by a written promise to pay an obligation.", "label": "Proceeds from Notes Payable", "terseLabel": "Proceeds from Notes Payable" } } }, "localname": "ProceedsFromNotesPayable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromOtherDebt": { "auth_ref": [ "r121" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from debt classified as other.", "label": "Proceeds from Other Debt", "terseLabel": "Proceeds from Other Debt" } } }, "localname": "ProceedsFromOtherDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromPaymentsForOtherFinancingActivities": { "auth_ref": [ "r122", "r126", "r153" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities classified as other.", "label": "Proceeds from (Payments for) Other Financing Activities", "terseLabel": "Proceeds from (Payments for) Other Financing Activities" } } }, "localname": "ProceedsFromPaymentsForOtherFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromRepaymentsOfNotesPayable": { "auth_ref": [ "r153" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from long-term debt supported by a written promise to pay an obligation.", "label": "Proceeds from (Repayments of) Notes Payable", "terseLabel": "Proceeds from (Repayments of) Notes Payable" } } }, "localname": "ProceedsFromRepaymentsOfNotesPayable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromRepaymentsOfRestrictedCashFinancingActivities": { "auth_ref": [ "r122", "r126" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net cash inflow or outflow from cash and cash items that are not available for withdrawal or usage.", "label": "Proceeds from (Repayments of) Restricted Cash, Financing Activities", "terseLabel": "Proceeds from (Repayments of) Restricted Cash, Financing Activities" } } }, "localname": "ProceedsFromRepaymentsOfRestrictedCashFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfOtherPropertyPlantAndEquipment": { "auth_ref": [ "r115" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.", "label": "Proceeds from Sale of Other Property, Plant, and Equipment", "totalLabel": "Proceeds from sale of assets", "verboseLabel": "Proceeds from sale of assets" } } }, "localname": "ProceedsFromSaleOfOtherPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromStockPlans": { "auth_ref": [ "r120" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the amount received from the stock plan during the period.", "label": "Proceeds from Stock Plans", "terseLabel": "Proceeds from Stock Plans" } } }, "localname": "ProceedsFromStockPlans", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProductLiabilityAccrualComponentAmount": { "auth_ref": [ "r284" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Recorded amount of the accrual for a material component of a product liability contingency.", "label": "Product Liability Accrual, Component Amount", "terseLabel": "Product Liability Accrual, Component Amount" } } }, "localname": "ProductLiabilityAccrualComponentAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProductLiabilityContingencyLossExposureInExcessOfAccrualBestEstimate": { "auth_ref": [ "r284" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Best estimate of the reasonably possible loss exposure in excess of the amount accrued for damages pertaining to a specified product.", "label": "Product Liability Contingency, Loss Exposure in Excess of Accrual, Best Estimate", "terseLabel": "Product Liability Contingency, Loss Exposure in Excess of Accrual, Best Estimate" } } }, "localname": "ProductLiabilityContingencyLossExposureInExcessOfAccrualBestEstimate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProductWarrantyAccrualPayments": { "auth_ref": [ "r289" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.", "label": "Standard and Extended Product Warranty Accrual, Decrease for Payments", "terseLabel": "Product Warranty Accrual, Payments" } } }, "localname": "ProductWarrantyAccrualPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProductWarrantyDisclosureTextBlock": { "auth_ref": [ "r290" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period.", "label": "Product Warranty Disclosure [Text Block]", "verboseLabel": "Service Warranty Roll Forward" } } }, "localname": "ProductWarrantyDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Property, Plant and Equipment [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r45", "r268" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Property, Plant and Equipment, Type [Axis]", "terseLabel": "Property, Plant and Equipment, Type [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r273" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "verboseLabel": "Property, Plant and Equipment, net" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r44", "r266" ], "calculation": { "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Gross", "terseLabel": "Property, Plant and Equipment, Gross" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Property, Plant and Equipment [Line Items]", "terseLabel": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r18", "r19", "r268", "r652" ], "calculation": { "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "totalLabel": "Property, plant and equipment, net", "verboseLabel": "Property, plant and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Property, Plant and Equipment, Net [Abstract]", "verboseLabel": "Property, plant and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "auth_ref": [ "r43", "r140", "r268" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments.", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "terseLabel": "Property, Plant and Equipment, Policy [Policy Text Block]", "verboseLabel": "Property, Plant and Equipment" } } }, "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r18", "r268" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table Text Block]", "verboseLabel": "Property, Plant and Equipment, Net" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r18", "r266" ], "lang": { "en-US": { "role": { "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Property, Plant and Equipment, Type [Domain]", "terseLabel": "Property, Plant and Equipment, Type [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.", "label": "Property, Plant and Equipment, Useful Life", "terseLabel": "Property, Plant and Equipment, Useful Life" } } }, "localname": "PropertyPlantAndEquipmentUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ProspectiveAdoptionOfNewAccountingPronouncementsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information related to prospectively adopted accounting guidance.", "label": "Prospective Adoption of New Accounting Pronouncements [Axis]", "terseLabel": "Prospective Adoption of New Accounting Pronouncements [Axis]" } } }, "localname": "ProspectiveAdoptionOfNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ProspectiveAdoptionOfNewAccountingPronouncementsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Table of comparison between amounts disclosed under previous guidance and new guidance.", "label": "Prospective Adoption of New Accounting Pronouncements [Table]", "terseLabel": "Prospective Adoption of New Accounting Pronouncements [Table]" } } }, "localname": "ProspectiveAdoptionOfNewAccountingPronouncementsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables" ], "xbrltype": "stringItemType" }, "us-gaap_ProvisionForLossOnContracts": { "auth_ref": [ "r313" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 9.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.spiritaerosystems.com/role/InventoryDetails1": { "order": 5.0, "parentTag": "us-gaap_InventoryNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet.", "label": "Provision for Loss on Contracts", "negatedTerseLabel": "Forward loss provision(4)", "terseLabel": "Provision for Loss on Contracts", "verboseLabel": "Provision For Loss On Contracts" } } }, "localname": "ProvisionForLossOnContracts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/InventoryDetails1", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_QuarterlyFinancialInformationDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Quarterly Financial Information Disclosure [Abstract]" } } }, "localname": "QuarterlyFinancialInformationDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_QuarterlyFinancialInformationTextBlock": { "auth_ref": [ "r186" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information.", "label": "Quarterly Financial Information [Text Block]", "terseLabel": "Quarterly Financial Information" } } }, "localname": "QuarterlyFinancialInformationTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnaudited" ], "xbrltype": "textBlockItemType" }, "us-gaap_RealEstateMember": { "auth_ref": [ "r322" ], "lang": { "en-US": { "role": { "documentation": "Property consisting of land, land improvement and buildings.", "label": "Real Estate [Member]", "terseLabel": "Real Estate [Member]" } } }, "localname": "RealEstateMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3" ], "xbrltype": "domainItemType" }, "us-gaap_ReceivablesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Receivables [Abstract]" } } }, "localname": "ReceivablesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ReceivablesPolicyTextBlock": { "auth_ref": [ "r140", "r218", "r222", "r223", "r224" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for receivable. Includes, but is not limited to, accounts receivable and financing receivable.", "label": "Receivable [Policy Text Block]", "verboseLabel": "Accounts Receivable" } } }, "localname": "ReceivablesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]" } } }, "localname": "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r590" ], "lang": { "en-US": { "role": { "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Domain]", "terseLabel": "Related Party [Domain]" } } }, "localname": "RelatedPartyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionAxis": { "auth_ref": [ "r374", "r588", "r589" ], "lang": { "en-US": { "role": { "documentation": "Information by type of related party transaction.", "label": "Related Party Transaction [Axis]", "terseLabel": "Related Party Transaction [Axis]" } } }, "localname": "RelatedPartyTransactionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Transaction between related party.", "label": "Related Party Transaction [Domain]", "terseLabel": "Related Party Transaction [Domain]" } } }, "localname": "RelatedPartyTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r374", "r588", "r589", "r603", "r604", "r605", "r606", "r607", "r608", "r609", "r610", "r611", "r612", "r613", "r614" ], "lang": { "en-US": { "role": { "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Axis]", "terseLabel": "Related Party [Axis]" } } }, "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RentalIncomeNonoperating": { "auth_ref": [ "r111" ], "calculation": { "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails": { "order": 1.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature.", "label": "Rental Income, Nonoperating", "terseLabel": "Rental and miscellaneous income" } } }, "localname": "RentalIncomeNonoperating", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfDebt": { "auth_ref": [ "r124" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.", "label": "Repayments of Debt", "terseLabel": "Repayments of Debt" } } }, "localname": "RepaymentsOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfLinesOfCredit": { "auth_ref": [ "r124", "r147" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.", "label": "Repayments of Lines of Credit", "negatedLabel": "Payments on revolving credit facility", "terseLabel": "Repayments of Lines of Credit" } } }, "localname": "RepaymentsOfLinesOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfLongTermDebt": { "auth_ref": [ "r124" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.", "label": "Repayments of Long-term Debt", "negatedLabel": "Principal payments of debt" } } }, "localname": "RepaymentsOfLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ResearchAndDevelopmentExpense": { "auth_ref": [ "r429", "r679" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.", "label": "Research and Development Expense", "verboseLabel": "Research and development" } } }, "localname": "ResearchAndDevelopmentExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_ResearchAndDevelopmentExpensePolicy": { "auth_ref": [ "r140", "r429" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.", "label": "Research and Development Expense, Policy [Policy Text Block]", "verboseLabel": "Research and Development" } } }, "localname": "ResearchAndDevelopmentExpensePolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RestrictedCashAndInvestmentsNoncurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/OtherAssetsDetails": { "order": 5.0, "parentTag": "us-gaap_OtherAssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The noncurrent cash, cash equivalents and investments that is restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes noncurrent cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.", "label": "Restricted Cash and Investments, Noncurrent", "terseLabel": "Restricted Cash and Investments, Noncurrent" } } }, "localname": "RestrictedCashAndInvestmentsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "http://www.spiritaerosystems.com/role/OtherAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashCurrent": { "auth_ref": [ "r3", "r16", "r138" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.", "label": "Restricted Cash, Current", "terseLabel": "Restricted Cash, Current" } } }, "localname": "RestrictedCashCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedStockAwardForfeitures": { "auth_ref": [ "r300", "r307" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The total value of forfeitures related to restricted stock awards forfeited during the period.", "label": "Restricted Stock Award, Forfeitures", "negatedTerseLabel": "Forfeited during period, value" } } }, "localname": "RestrictedStockAwardForfeitures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedStockMember": { "auth_ref": [ "r175" ], "lang": { "en-US": { "role": { "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.", "label": "Restricted Stock [Member]", "terseLabel": "Restricted Stock [Member]" } } }, "localname": "RestrictedStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestrictedStockUnitsRSUMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.", "label": "Restricted Stock Units (RSUs) [Member]", "terseLabel": "Restricted Stock Units (RSUs) [Member]" } } }, "localname": "RestrictedStockUnitsRSUMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r31", "r307", "r649" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit)", "terseLabel": "Retained Earnings (Accumulated Deficit)", "verboseLabel": "Retained earnings" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Retained Earnings [Member]" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_RetirementPlanFundingStatusAxis": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Information by status of funding for defined benefit plan designed to provide retirement benefits.", "label": "Retirement Plan Funding Status [Axis]", "terseLabel": "Retirement Plan Funding Status [Axis]" } } }, "localname": "RetirementPlanFundingStatusAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RetirementPlanFundingStatusDomain": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Status of funding for defined benefit plan designed to provide retirement benefits.", "label": "Retirement Plan Funding Status [Domain]", "terseLabel": "Retirement Plan Funding Status [Domain]" } } }, "localname": "RetirementPlanFundingStatusDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RetirementPlanNameAxis": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Information by name of plan designed to provide retirement benefits. Includes, but is not limited to, legal name of defined benefit and defined contribution plans.", "label": "Retirement Plan Name [Axis]", "terseLabel": "Retirement Plan Name [Axis]" } } }, "localname": "RetirementPlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RetirementPlanNameDomain": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Name of plan designed to provide retirement benefits. Includes, but is not limited to, legal name of defined benefit and defined contribution plans.", "label": "Retirement Plan Name [Domain]", "terseLabel": "Retirement Plan Name [Domain]" } } }, "localname": "RetirementPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RetirementPlanSponsorLocationAxis": { "auth_ref": [ "r377", "r381" ], "lang": { "en-US": { "role": { "documentation": "Information by location of employer sponsoring plan designed to provide retirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans.", "label": "Retirement Plan Sponsor Location [Axis]", "terseLabel": "Retirement Plan Sponsor Location [Axis]" } } }, "localname": "RetirementPlanSponsorLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RetirementPlanSponsorLocationDomain": { "auth_ref": [ "r377", "r381" ], "lang": { "en-US": { "role": { "documentation": "Location of employer sponsoring plan designed to provide retirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans.", "label": "Retirement Plan Sponsor Location [Domain]", "terseLabel": "Retirement Plan Sponsor Location [Domain]" } } }, "localname": "RetirementPlanSponsorLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RetirementPlanTaxStatusAxis": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Information by tax status of plan designed to provide retirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans.", "label": "Retirement Plan Tax Status [Axis]", "terseLabel": "Retirement Plan Tax Status [Axis]" } } }, "localname": "RetirementPlanTaxStatusAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RetirementPlanTaxStatusDomain": { "auth_ref": [ "r377" ], "lang": { "en-US": { "role": { "documentation": "Tax status of plan designed to provide retirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans.", "label": "Retirement Plan Tax Status [Domain]", "terseLabel": "Retirement Plan Tax Status [Domain]" } } }, "localname": "RetirementPlanTaxStatusDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RetirementPlanTypeAxis": { "auth_ref": [ "r335", "r336", "r376", "r377", "r395" ], "lang": { "en-US": { "role": { "documentation": "Information by type of retirement benefit plan. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement.", "label": "Retirement Plan Type [Axis]", "terseLabel": "Retirement Plan Type [Axis]" } } }, "localname": "RetirementPlanTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "stringItemType" }, "us-gaap_RetirementPlanTypeDomain": { "auth_ref": [ "r335", "r336", "r376", "r377", "r395" ], "lang": { "en-US": { "role": { "documentation": "Type of plan designed to provide participants with retirement benefits. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement.", "label": "Retirement Plan Type [Domain]", "terseLabel": "Retirement Plan Type [Domain]" } } }, "localname": "RetirementPlanTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenue from Contract with Customer [Abstract]" } } }, "localname": "RevenueFromContractWithCustomerAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "auth_ref": [ "r141", "r331" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for revenue from contract with customer.", "label": "Revenue from Contract with Customer [Policy Text Block]", "terseLabel": "Revenue Recognition, Long-term Contracts [Policy Text Block]" } } }, "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenuePerformanceObligationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenue, Performance Obligation [Abstract]" } } }, "localname": "RevenuePerformanceObligationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueRecognitionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenue Recognition [Abstract]" } } }, "localname": "RevenueRecognitionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueRecognitionMilestoneMethodDescription": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A description of the overall arrangement.", "label": "Revenue Recognition, Milestone Method, Description", "terseLabel": "Revenue Recognition, Milestone Method, Description" } } }, "localname": "RevenueRecognitionMilestoneMethodDescription", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ResearchAndDevelopmentMilestonesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of consideration recognized during the period for the milestone or milestones.", "label": "Revenue Recognition, Milestone Method, Revenue Recognized", "terseLabel": "Revenue Recognition, Milestone Method, Revenue Recognized" } } }, "localname": "RevenueRecognitionMilestoneMethodRevenueRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ResearchAndDevelopmentMilestonesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueRemainingPerformanceObligation": { "auth_ref": [ "r317" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.", "label": "Revenue, Remaining Performance Obligation, Amount", "terseLabel": "Revenue, Remaining Performance Obligation, Amount" } } }, "localname": "RevenueRemainingPerformanceObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about expected timing for satisfying remaining performance obligation.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock": { "auth_ref": [ "r318" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of expected timing for satisfying remaining performance obligation.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsNotes", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r100", "r200", "r201", "r209" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).", "label": "Revenues", "terseLabel": "Revenues", "verboseLabel": "Net revenues" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Revenues from External Customers and Long-Lived Assets [Line Items]", "terseLabel": "Revenues from External Customers and Long-Lived Assets [Line Items]" } } }, "localname": "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability": { "auth_ref": [ "r581", "r586" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for finance lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability", "terseLabel": "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability" } } }, "localname": "RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "auth_ref": [ "r581", "r586" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "terseLabel": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability" } } }, "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RisksAndUncertaintiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Risks and Uncertainties [Abstract]" } } }, "localname": "RisksAndUncertaintiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SaleAndLeasebackTransactionGainLossNet": { "auth_ref": [ "r579", "r586", "r587" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.", "label": "Sale and Leaseback Transaction, Gain (Loss), Net", "terseLabel": "Sale and Leaseback Transaction, Gain (Loss), Net" } } }, "localname": "SaleAndLeasebackTransactionGainLossNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/LeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleOfStockPricePerShare": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.", "label": "Sale of Stock, Price Per Share", "terseLabel": "Sale of Stock, Price Per Share" } } }, "localname": "SaleOfStockPricePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SalesMember": { "auth_ref": [ "r519" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing revenue from sale of goods and services rendered in the normal course of business.", "label": "Sales [Member]", "verboseLabel": "Sales/Revenue [Member]" } } }, "localname": "SalesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetails2" ], "xbrltype": "domainItemType" }, "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "auth_ref": [ "r86" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss).", "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "terseLabel": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]" } } }, "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfChangeInAccountingEstimateTable": { "auth_ref": [ "r157", "r161", "r180" ], "lang": { "en-US": { "role": { "documentation": "A summarization of the nature of changes in accounting estimates, including changes that occur in interim periods. Changes in accounting estimate have the effect of adjusting the carrying amounts of existing assets or liabilities or altering the subsequent accounting for existing or future assets or liabilities. Changes in accounting estimates are a necessary consequence of assessments, in conjunction with the periodic presentation of financial statements, of the present status and expected future benefits and obligations associated with assets and liabilities. Changes in accounting estimates result from new or better information. Examples of items for which estimates are necessary are uncollectible receivables, inventory obsolescence, service lives and salvage values of depreciable assets, warranty obligations, and regulatory reviews.", "label": "Schedule of Change in Accounting Estimate [Table]", "terseLabel": "Schedule of Change in Accounting Estimate [Table]" } } }, "localname": "ScheduleOfChangeInAccountingEstimateTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesChangesInEstimateTables" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfChangeInAccountingEstimateTextBlock": { "auth_ref": [ "r157", "r161", "r180", "r184" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the change in an accounting estimate, including a change that occurs in an interim period. If a change in accounting estimate affects several future periods (for example, a change in the service life of a depreciable asset) disclose the effect on income from continuing operations, net income (or other appropriate captions of changes in the applicable net assets or performance indicator), and any related per-share amounts of the current period. Disclosure of the effects of a change in an accounting estimate that occurs in the ordinary course of business (such as uncollectible accounts or inventory obsolescence) is not required, unless the effect is material.", "label": "Schedule of Change in Accounting Estimate [Table Text Block]", "terseLabel": "Schedule of Change in Accounting Estimate [Table Text Block]" } } }, "localname": "ScheduleOfChangeInAccountingEstimateTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesChangesInEstimateTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.", "label": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]", "terseLabel": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]" } } }, "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [ "r461" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "terseLabel": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]" } } }, "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable": { "auth_ref": [ "r376", "r377", "r380", "r381", "r390" ], "lang": { "en-US": { "role": { "documentation": "Disclosures about an individual defined benefit pension plan or an other postretirement defined benefit plan. It may be appropriate to group certain similar plans. Also includes schedule for fair value of plan assets by major categories of plan assets by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), Significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).", "label": "Schedule of Defined Benefit Plans Disclosures [Table]", "terseLabel": "Schedule of Defined Benefit Plans Disclosures [Table]" } } }, "localname": "ScheduleOfDefinedBenefitPlansDisclosuresTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails2", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails3", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails4", "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails5" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock": { "auth_ref": [ "r376", "r377", "r380", "r381", "r390" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.", "label": "Schedule of Defined Benefit Plans Disclosures [Table Text Block]", "verboseLabel": "Change in projected benefit obligations" } } }, "localname": "ScheduleOfDefinedBenefitPlansDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": { "auth_ref": [ "r506", "r516", "r521" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.", "label": "Derivative Instruments, Gain (Loss) [Table Text Block]", "verboseLabel": "Effect Of Derivative Instrument On Statement Of Other Comprehensive Income" } } }, "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": { "auth_ref": [ "r511" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.", "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]", "verboseLabel": "Fair Value Of Outstanding Derivatives" } } }, "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r176" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "terseLabel": "Schedule Of Earnings Per Share, Basic And Diluted" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r443" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEquityMethodInvestmentsTable": { "auth_ref": [ "r236" ], "lang": { "en-US": { "role": { "documentation": "Summarization of information required and determined to be disclosed concerning equity method investments in common stock. The summarized information includes: (a) the name of each investee or group of investees for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available.", "label": "Schedule of Equity Method Investments [Table]", "terseLabel": "Schedule of Equity Method Investments [Table]" } } }, "localname": "ScheduleOfEquityMethodInvestmentsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfGoodwillTextBlock": { "auth_ref": [ "r253", "r254" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.", "label": "Schedule of Goodwill [Table Text Block]", "verboseLabel": "Carrying Amount Of Goodwill" } } }, "localname": "ScheduleOfGoodwillTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable": { "auth_ref": [ "r270" ], "lang": { "en-US": { "role": { "documentation": "For a long-lived asset to be held and used by an entity, the table may include a description of the impaired long-lived asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported.", "label": "Schedule of Impaired Long-Lived Assets Held and Used [Table]", "terseLabel": "Schedule of Impaired Long-Lived Assets Held and Used [Table]" } } }, "localname": "ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PropertyPlantAndEquipmentNetDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock": { "auth_ref": [ "r148" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of income before income tax between domestic and foreign jurisdictions.", "label": "Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]", "terseLabel": "Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]" } } }, "localname": "ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfMultiemployerPlansTable": { "auth_ref": [ "r401" ], "lang": { "en-US": { "role": { "documentation": "Schedule of the quantitative and qualitative information related to multiemployer plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.", "label": "Schedule of Multiemployer Plans [Table]", "terseLabel": "Schedule of Multiemployer Plans [Table]" } } }, "localname": "ScheduleOfMultiemployerPlansTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementBenefitsDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock": { "auth_ref": [ "r158", "r160", "r178", "r179", "r185" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.", "label": "Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]", "terseLabel": "Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]" } } }, "localname": "ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsNotes", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock": { "auth_ref": [ "r46" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of noncurrent assets.", "label": "Schedule of Other Assets, Noncurrent [Table Text Block]", "verboseLabel": "Other Assets" } } }, "localname": "ScheduleOfOtherAssetsNoncurrentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssets" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r45", "r268" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table]", "terseLabel": "Schedule of Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfProspectiveAdoptionOfNewAccountingPronouncementsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the comparison between amounts disclosed under previous guidance and new guidance.", "label": "Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block]", "terseLabel": "Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block]" } } }, "localname": "ScheduleOfProspectiveAdoptionOfNewAccountingPronouncementsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock": { "auth_ref": [ "r182" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.", "label": "Quarterly Financial Information [Table Text Block]", "terseLabel": "Schedule of Quarterly Financial Information" } } }, "localname": "ScheduleOfQuarterlyFinancialInformationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock": { "auth_ref": [ "r105", "r213" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.", "label": "Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]", "terseLabel": "Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable": { "auth_ref": [ "r99", "r100", "r213" ], "lang": { "en-US": { "role": { "documentation": "Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.", "label": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]", "terseLabel": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails1" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "auth_ref": [ "r199", "r205", "r207", "r208", "r253" ], "lang": { "en-US": { "role": { "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table]", "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": { "auth_ref": [ "r199", "r205", "r207", "r208", "r253" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]", "verboseLabel": "Segment Information" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r408", "r422" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]", "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfStockByClassTable": { "auth_ref": [ "r58", "r145", "r297", "r298", "r299", "r301", "r302", "r303", "r304", "r305", "r306", "r307" ], "lang": { "en-US": { "role": { "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.", "label": "Schedule of Stock by Class [Table]", "terseLabel": "Schedule of Stock by Class [Table]" } } }, "localname": "ScheduleOfStockByClassTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfVariableInterestEntitiesTable": { "auth_ref": [ "r489", "r490", "r492", "r493", "r494" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.", "label": "Schedule of Variable Interest Entities [Table]", "terseLabel": "Schedule of Variable Interest Entities [Table]" } } }, "localname": "ScheduleOfVariableInterestEntitiesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": { "auth_ref": [ "r259" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.", "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]", "terseLabel": "Schedule Of Finite-Lived Intangible Assets, Future Amortization Expense" } } }, "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/OtherAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SecuredDebt": { "auth_ref": [ "r24", "r620", "r648" ], "calculation": { "http://www.spiritaerosystems.com/role/DebtDetails": { "order": 5.0, "parentTag": "us-gaap_DebtAndCapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.", "label": "Secured Debt", "terseLabel": "Outstanding balance of term loan", "verboseLabel": "Senior secured term loan (short and long-term)" } } }, "localname": "SecuredDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_SecuredDebtCurrent": { "auth_ref": [ "r21", "r618", "r646" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.", "label": "Secured Debt, Current", "terseLabel": "Secured Debt, Current" } } }, "localname": "SecuredDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SecuredDebtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets.", "label": "Secured Debt [Member]", "verboseLabel": "Senior secured term loan (including current portion) [Member]" } } }, "localname": "SecuredDebtMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/FairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SecuredLongTermDebt": { "auth_ref": [ "r55" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.", "label": "Secured Long-term Debt, Noncurrent", "terseLabel": "Secured Long-term Debt, Noncurrent" } } }, "localname": "SecuredLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_SegmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Segments [Domain]", "terseLabel": "Segments [Domain]" } } }, "localname": "SegmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting [Abstract]" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingDisclosureTextBlock": { "auth_ref": [ "r215" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.", "label": "Segment Reporting Disclosure [Text Block]", "verboseLabel": "Segment Information" } } }, "localname": "SegmentReportingDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]", "verboseLabel": "Segment Information" } } }, "localname": "SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingInformationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Segment Reporting Information [Line Items]", "terseLabel": "Segment Reporting Information [Line Items]" } } }, "localname": "SegmentReportingInformationLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting Information, Operating Income (Loss) [Abstract]", "verboseLabel": "Segment Operating Income" } } }, "localname": "SegmentReportingInformationOperatingIncomeLossAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingInformationRevenueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting Information, Revenue for Reportable Segment [Abstract]", "verboseLabel": "Segment Revenues" } } }, "localname": "SegmentReportingInformationRevenueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SegmentInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SellingGeneralAndAdministrativeExpense": { "auth_ref": [ "r109", "r241" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.", "label": "Selling, General and Administrative Expense", "terseLabel": "Selling, General and Administrative Expense", "verboseLabel": "Selling, general and administrative" } } }, "localname": "SellingGeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_SeniorLongTermNotes": { "auth_ref": [ "r55" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.", "label": "Senior Notes, Noncurrent", "terseLabel": "Senior Notes, Noncurrent" } } }, "localname": "SeniorLongTermNotes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_SeniorNotes": { "auth_ref": [ "r625", "r653" ], "calculation": { "http://www.spiritaerosystems.com/role/DebtDetails": { "order": 4.0, "parentTag": "us-gaap_DebtAndCapitalLeaseObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.", "label": "Senior Notes", "terseLabel": "Senior notes (due 2017 and 2020)" } } }, "localname": "SeniorNotes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SeniorNotesCurrent": { "auth_ref": [ "r50" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment.", "label": "Senior Notes, Current", "terseLabel": "Senior Notes, Current" } } }, "localname": "SeniorNotesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_SeniorNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured (general) creditors.", "label": "Senior Notes [Member]", "terseLabel": "Senior Notes [Member]" } } }, "localname": "SeniorNotesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r130" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncash expense for share-based payment arrangement.", "label": "Share-based Payment Arrangement, Noncash Expense", "terseLabel": "Company recognized total stock compensation expense, net of forfeitures", "verboseLabel": "Employee stock compensation expense" } } }, "localname": "ShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Payment Arrangement, Noncash Expense [Abstract]" } } }, "localname": "ShareBasedCompensationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r409" ], "lang": { "en-US": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted during period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other than Option, Nonvested, Intrinsic Value", "terseLabel": "Intrinsic value of the unvested" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r415" ], "lang": { "en-US": { "role": { "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodEndLabel": "Nonvested, ending balance", "periodStartLabel": "Nonvested, beginning balance", "verboseLabel": "Issued But Unvested Shares (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms": { "auth_ref": [ "r419" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period", "negatedLabel": "Vested during period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue": { "auth_ref": [ "r418" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value", "negatedLabel": "Vested during period, value" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "auth_ref": [ "r411" ], "lang": { "en-US": { "role": { "documentation": "Number of shares authorized for issuance under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod": { "auth_ref": [ "r414" ], "lang": { "en-US": { "role": { "documentation": "Net number of share options (or share units) granted during the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures", "positiveLabel": "Employee equity awards, shares", "verboseLabel": "Number of shares granted" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Gross number of share options (or share units) granted during the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r406", "r412" ], "lang": { "en-US": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "auth_ref": [ "r140", "r408", "r413" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.", "label": "Share-based Payment Arrangement [Policy Text Block]", "verboseLabel": "Stock-Based Compensation and Other Share-based Payments" } } }, "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ShareRepurchaseProgramAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by share repurchase program.", "label": "Share Repurchase Program [Axis]", "terseLabel": "Share Repurchase Program [Axis]" } } }, "localname": "ShareRepurchaseProgramAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareRepurchaseProgramDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the share repurchase program.", "label": "Share Repurchase Program [Domain]", "terseLabel": "Share Repurchase Program [Domain]" } } }, "localname": "ShareRepurchaseProgramDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r156" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.", "label": "Significant Accounting Policies [Text Block]", "terseLabel": "Summary of Significant Accounting Policies" } } }, "localname": "SignificantAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SingleEmployerPlansAccountedForAsMultiemployerPlanName": { "auth_ref": [ "r392", "r393" ], "lang": { "en-US": { "role": { "documentation": "Name of defined benefit plan, defined as multiple-employer plan but accounted for as multiemployer plan, in which entity participates.", "label": "Multiple-Employer Plan Accounted for as Multiemployer Plan, Plan Name", "terseLabel": "Multiple-Employer Plan Accounted for as Multiemployer Plan, Plan Name" } } }, "localname": "SingleEmployerPlansAccountedForAsMultiemployerPlanName", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/PensionAndOtherPostRetirementPlansDetails6" ], "xbrltype": "stringItemType" }, "us-gaap_StateAndLocalJurisdictionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity.", "label": "State and Local Jurisdiction [Member]", "terseLabel": "State and Local Jurisdiction [Member]" } } }, "localname": "StateAndLocalJurisdictionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StatementBusinessSegmentsAxis": { "auth_ref": [ "r0", "r205", "r253", "r272", "r274", "r275", "r660" ], "lang": { "en-US": { "role": { "documentation": "Information by business segments.", "label": "Segments [Axis]", "terseLabel": "Segments [Axis]" } } }, "localname": "StatementBusinessSegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ChangesInEstimatesDetails", "http://www.spiritaerosystems.com/role/QuarterlyFinancialDataUnauditedTextualsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r26", "r27", "r28", "r300" ], "lang": { "en-US": { "role": { "documentation": "Information by the different classes of stock of the entity.", "label": "Class of Stock [Axis]", "terseLabel": "Class of Stock [Axis]" } } }, "localname": "StatementClassOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/DocumentAndEntityInformation", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r60", "r300" ], "lang": { "en-US": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Statement, Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Statement [Line Items]", "terseLabel": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Cash Flows [Abstract]", "terseLabel": "Condensed Consolidating Statements of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Financial Position [Abstract]", "terseLabel": "Condensed Consolidating Balance Sheets [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "Statement [Table]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation": { "auth_ref": [ "r405", "r425" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture", "terseLabel": "Employee equity awards, value" } } }, "localname": "StockGrantedDuringPeriodValueSharebasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value, before forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Shares Granted, Value, Share-based Payment Arrangement, before Forfeiture", "terseLabel": "Granted during period, value" } } }, "localname": "StockGrantedDuringPeriodValueSharebasedCompensationGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited": { "auth_ref": [ "r27", "r28", "r300", "r307" ], "lang": { "en-US": { "role": { "documentation": "Number of shares related to Restricted Stock Award forfeited during the period.", "label": "Stock Issued During Period, Shares, Restricted Stock Award, Forfeited", "negatedLabel": "Stock forfeitures, shares", "negatedTerseLabel": "Forfeited during period" } } }, "localname": "StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/StockCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures": { "auth_ref": [ "r27", "r28", "r300", "r307" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Value of stock related to Restricted Stock Awards forfeited during the period.", "label": "Stock Issued During Period, Value, Restricted Stock Award, Forfeitures", "negatedLabel": "Stock Forfeitures, value" } } }, "localname": "StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockRepurchaseProgramAuthorizedAmount1": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of stock repurchase plan authorized.", "label": "Stock Repurchase Program, Authorized Amount", "terseLabel": "Stock Repurchase Program, Authorized Amount" } } }, "localname": "StockRepurchaseProgramAuthorizedAmount1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount remaining of a stock repurchase plan authorized.", "label": "Stock Repurchase Program, Remaining Authorized Repurchase Amount", "terseLabel": "Stock Repurchase Program, Remaining Authorized Repurchase Amount" } } }, "localname": "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockRepurchasedDuringPeriodValue": { "auth_ref": [ "r27", "r28", "r300", "r307" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.", "label": "Stock Repurchased During Period, Value", "negatedTerseLabel": "Stock Repurchased During Period, Value", "terseLabel": "Stock Repurchased During Period, Value" } } }, "localname": "StockRepurchasedDuringPeriodValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity", "http://www.spiritaerosystems.com/role/EquityDetails", "http://www.spiritaerosystems.com/role/EquityTables" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r28", "r32", "r33", "r220" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "periodEndLabel": "Balance", "periodStartLabel": "Balance", "terseLabel": "Total stockholders' equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "verboseLabel": "Shareholders' equity" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r485", "r486", "r495" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 11.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.", "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest", "totalLabel": "Total equity" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]", "verboseLabel": "Stockholders\u2019 Equity" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r312" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.", "label": "Stockholders' Equity Note Disclosure [Text Block]", "verboseLabel": "Equity" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/Equity" ], "xbrltype": "textBlockItemType" }, "us-gaap_StockholdersEquityOtherShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of increase (decrease) in shares of stock classified as other.", "label": "Stockholders' Equity, Other Shares", "negatedTerseLabel": "Net shares settled" } } }, "localname": "StockholdersEquityOtherShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockholdersEquityTotalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of total stockholders' equity, when it serves as a benchmark in a concentration of risk calculation. Also called Net Assets.", "label": "Stockholders' Equity, Total [Member]", "terseLabel": "Stockholders' Equity, Total [Member]" } } }, "localname": "StockholdersEquityTotalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r592" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events [Text Block]", "terseLabel": "Subsequent Events [Text Block]" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SubsequentEvents" ], "xbrltype": "textBlockItemType" }, "us-gaap_SummaryOfIncomeTaxContingenciesTextBlock": { "auth_ref": [ "r446", "r455", "r457" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.", "label": "Summary of Income Tax Contingencies [Table Text Block]", "verboseLabel": "Unrecognized Tax Benefits reconciliation Table" } } }, "localname": "SummaryOfIncomeTaxContingenciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalBalanceSheetDisclosuresTextBlock": { "auth_ref": [ "r75" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity.", "label": "Supplemental Balance Sheet Disclosures [Text Block]", "terseLabel": "Supplemental Balance Sheet Information" } } }, "localname": "SupplementalBalanceSheetDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "verboseLabel": "Supplemental information" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardAmount": { "auth_ref": [ "r463" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Tax Credit Carryforward, Amount", "terseLabel": "Tax Credit Carryforward, Amount" } } }, "localname": "TaxCreditCarryforwardAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxCreditCarryforwardAxis": { "auth_ref": [ "r464" ], "lang": { "en-US": { "role": { "documentation": "Information by specific tax credit related to an unused tax credit.", "label": "Tax Credit Carryforward [Axis]", "terseLabel": "Tax Credit Carryforward [Axis]" } } }, "localname": "TaxCreditCarryforwardAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardDescription": { "auth_ref": [ "r464" ], "lang": { "en-US": { "role": { "documentation": "A description of the origin, nature, and characteristics of the tax credit carryforward.", "label": "Tax Credit Carryforward, Description", "terseLabel": "Tax Credit Carryforward, Description" } } }, "localname": "TaxCreditCarryforwardDescription", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardNameDomain": { "auth_ref": [ "r464" ], "lang": { "en-US": { "role": { "documentation": "The name of the tax credit carryforward.", "label": "Tax Credit Carryforward, Name [Domain]", "terseLabel": "Tax Credit Carryforward, Name [Domain]" } } }, "localname": "TaxCreditCarryforwardNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "domainItemType" }, "us-gaap_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect": { "auth_ref": [ "r84" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act.", "label": "Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect", "terseLabel": "Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect" } } }, "localname": "TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxesPayableCurrent": { "auth_ref": [ "r49" ], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 5.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Taxes Payable, Current", "verboseLabel": "Property and sales tax" } } }, "localname": "TaxesPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TimingOfTransferOfGoodOrServiceAxis": { "auth_ref": [ "r327" ], "lang": { "en-US": { "role": { "documentation": "Information by timing of transfer of good or service to customer.", "label": "Timing of Transfer of Good or Service [Axis]", "terseLabel": "Timing of Transfer of Good or Service [Axis]" } } }, "localname": "TimingOfTransferOfGoodOrServiceAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "stringItemType" }, "us-gaap_TimingOfTransferOfGoodOrServiceDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Timing of transfer of good or service to customer. Includes, but is not limited to, at point in time or over time.", "label": "Timing of Transfer of Good or Service [Domain]", "terseLabel": "Timing of Transfer of Good or Service [Domain]" } } }, "localname": "TimingOfTransferOfGoodOrServiceDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails", "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsTables" ], "xbrltype": "domainItemType" }, "us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized": { "auth_ref": [ "r597" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition.", "label": "Transfer of Financial Assets Accounted for as Sales, Amount Derecognized", "terseLabel": "Transfer of Financial Assets Accounted for as Sales, Amount Derecognized" } } }, "localname": "TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TransferredAtPointInTimeMember": { "auth_ref": [ "r327" ], "lang": { "en-US": { "role": { "documentation": "Contract with customer in which good or service is transferred at point in time.", "label": "Transferred at Point in Time [Member]", "terseLabel": "Transferred at Point in Time [Member]" } } }, "localname": "TransferredAtPointInTimeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TransferredOverTimeMember": { "auth_ref": [ "r327" ], "lang": { "en-US": { "role": { "documentation": "Contract with customer in which good or service is transferred over time.", "label": "Transferred over Time [Member]", "terseLabel": "Transferred over Time [Member]" } } }, "localname": "TransferredOverTimeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/RevenueDisaggregationAndOutstandingPerformanceObligationsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockCarryingBasis": { "auth_ref": [ "r308" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cost basis for treasury stock acquired for purposes other than retirement.", "label": "Treasury Stock, Carrying Basis", "terseLabel": "Treasury Stock, Carrying Basis" } } }, "localname": "TreasuryStockCarryingBasis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TreasuryStockCommonMember": { "auth_ref": [ "r63", "r308" ], "lang": { "en-US": { "role": { "documentation": "Previously issued common shares repurchased by the issuing entity and held in treasury.", "label": "Treasury Stock, Common [Member]", "terseLabel": "Treasury Stock, Common [Member]" } } }, "localname": "TreasuryStockCommonMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockShares": { "auth_ref": [ "r59", "r308" ], "lang": { "en-US": { "role": { "documentation": "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.", "label": "Treasury Stock, Shares", "terseLabel": "Treasury Stock, Shares" } } }, "localname": "TreasuryStockShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockSharesAcquired": { "auth_ref": [ "r28", "r300", "r307" ], "lang": { "en-US": { "role": { "documentation": "Number of shares that have been repurchased during the period and are being held in treasury.", "label": "Treasury Stock, Shares, Acquired", "terseLabel": "Treasury Stock, Shares, Acquired" } } }, "localname": "TreasuryStockSharesAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CapitalStockDetails", "http://www.spiritaerosystems.com/role/DebtDetailsTextual", "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockValue": { "auth_ref": [ "r59", "r308", "r311" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.", "label": "Treasury Stock, Value", "negatedTerseLabel": "Treasury Stock, Value" } } }, "localname": "TreasuryStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TreasuryStockValueAcquiredCostMethod": { "auth_ref": [ "r300", "r307", "r308" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.", "label": "Treasury Stock, Value, Acquired, Cost Method", "terseLabel": "Treasury Stock, Value, Acquired, Cost Method" } } }, "localname": "TreasuryStockValueAcquiredCostMethod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TypeOfAdoptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.", "label": "Type of Adoption [Domain]", "terseLabel": "Type of Adoption [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsTables", "http://www.spiritaerosystems.com/role/NewAccountingPronouncementsDetails", "http://www.spiritaerosystems.com/role/SegmentInformationDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnamortizedDebtIssuanceExpense": { "auth_ref": [ "r46" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.", "label": "Unamortized Debt Issuance Expense", "terseLabel": "Unamortized Debt Issuance Expense" } } }, "localname": "UnamortizedDebtIssuanceExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnbilledContractsReceivable": { "auth_ref": [ "r62", "r601" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.", "label": "Unbilled Contracts Receivable", "terseLabel": "Unbilled Contracts Receivable" } } }, "localname": "UnbilledContractsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountsReceivableNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnbilledReceivablesCurrent": { "auth_ref": [], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.", "label": "Unbilled Receivables, Current", "terseLabel": "Unbilled Receivables, Current" } } }, "localname": "UnbilledReceivablesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/AccountingChangesAndErrorCorrectionsDetails", "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_UndistributedEarningsOfForeignSubsidiaries": { "auth_ref": [ "r432", "r477", "r638", "r668" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.", "label": "Undistributed Earnings of Foreign Subsidiaries", "terseLabel": "Undistributed Earnings of Foreign Subsidiaries" } } }, "localname": "UndistributedEarningsOfForeignSubsidiaries", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss": { "auth_ref": [ "r512" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective.", "label": "Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)", "terseLabel": "Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)" } } }, "localname": "UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefits": { "auth_ref": [ "r434", "r449" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrecognized tax benefits.", "label": "Unrecognized Tax Benefits", "periodEndLabel": "Ending Balance", "periodStartLabel": "Beginning Balance" } } }, "localname": "UnrecognizedTaxBenefits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions": { "auth_ref": [ "r450" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.", "label": "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions", "negatedLabel": "Gross decreases related to prior period tax positions" } } }, "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities": { "auth_ref": [ "r452" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.", "label": "Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities", "negatedLabel": "Settlements" } } }, "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued": { "auth_ref": [ "r445" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.", "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued", "terseLabel": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued" } } }, "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": { "auth_ref": [ "r451" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.", "label": "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions", "verboseLabel": "Gross increases related to current period tax positions" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions": { "auth_ref": [ "r450" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.", "label": "Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions", "verboseLabel": "Gross increases related to prior period tax positions" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued": { "auth_ref": [ "r445" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense accrued for an underpayment of income taxes.", "label": "Unrecognized Tax Benefits, Interest on Income Taxes Accrued", "terseLabel": "Unrecognized Tax Benefits, Interest on Income Taxes Accrued" } } }, "localname": "UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations": { "auth_ref": [ "r453" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.", "label": "Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations", "negatedLabel": "Statute of limitations' expiration" } } }, "localname": "UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate": { "auth_ref": [ "r454" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.", "label": "Unrecognized Tax Benefits that Would Impact Effective Tax Rate", "terseLabel": "Unrecognized Tax Benefits that Would Impact Effective Tax Rate" } } }, "localname": "UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnsolicitedTenderOfferCosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Costs incurred in connection with an unsolicited tender offer (one where the Entity being sought has not requested the offer). These would include costs relating to evaluation and dissemination of information regarding an unsolicited tender offer. A tender offer is a broad solicitation by an Entity or a third party to purchase a substantial percentage of another entity's shares or units for a limited period of time. The offer is at a fixed price, usually at a premium over the current market price, and is contingent on shareholders' tendering a fixed number of their shares or units.", "label": "Unsolicited Tender Offer Costs", "terseLabel": "Unsolicited Tender Offer Costs" } } }, "localname": "UnsolicitedTenderOfferCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DebtDetailsTextual" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnusualOrInfrequentItemNetOfInsuranceProceeds": { "auth_ref": [ "r113" ], "calculation": { "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both.", "label": "Unusual or Infrequent Item, or Both, Net of Insurance Proceeds", "terseLabel": "Unusual or Infrequent Item, or Both, Net of Insurance Proceeds" } } }, "localname": "UnusualOrInfrequentItemNetOfInsuranceProceeds", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CondensedConsolidatingFinancialInformationDetails", "http://www.spiritaerosystems.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r187", "r188", "r189", "r190", "r195", "r196", "r197" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates, Policy [Policy Text Block]" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount": { "auth_ref": [ "r436" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.", "label": "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount", "terseLabel": "Valuation Allowance, Deferred Tax Asset, Change in Amount" } } }, "localname": "ValuationAllowanceDeferredTaxAssetChangeInAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetails", "http://www.spiritaerosystems.com/role/IncomeTaxesDetailsTextuals", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationAllowanceLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Valuation Allowance [Line Items]", "terseLabel": "Valuation Allowance [Line Items]" } } }, "localname": "ValuationAllowanceLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ValuationAllowanceTable": { "auth_ref": [ "r460" ], "lang": { "en-US": { "role": { "documentation": "A listing of an entity's valuation allowances to reduce deferred tax assets to amounts which it is more likely than not will not be realized, including a description of the deferred tax assets for which the valuation allowance has been recorded and the amount of the valuation allowance.", "label": "Valuation Allowance [Table]", "terseLabel": "Valuation Allowance [Table]" } } }, "localname": "ValuationAllowanceTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ValuationAllowancesAndReservesBalance": { "auth_ref": [ "r155" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount", "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount" } } }, "localname": "ValuationAllowancesAndReservesBalance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationAllowancesAndReservesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]", "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]" } } }, "localname": "ValuationAllowancesAndReservesDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ValuationAllowancesAndReservesTypeAxis": { "auth_ref": [ "r155" ], "lang": { "en-US": { "role": { "documentation": "Information by valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]", "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]" } } }, "localname": "ValuationAllowancesAndReservesTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/CommitmentsContingenciesAndGuaranteesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Variable Interest Entity [Line Items]", "terseLabel": "Variable Interest Entity [Line Items]" } } }, "localname": "VariableInterestEntityLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableInterestEntityOwnershipPercentage": { "auth_ref": [ "r491" ], "lang": { "en-US": { "role": { "documentation": "Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).", "label": "Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage", "terseLabel": "Variable Interest Entity Ownership Percentage", "verboseLabel": "Ownership Interest In VIE's" } } }, "localname": "VariableInterestEntityOwnershipPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/NatureOfBusinessDetails", "http://www.spiritaerosystems.com/role/SummaryOfSignificantAccountingPoliciesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_VariableRateAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of variable rate.", "label": "Variable Rate [Axis]", "terseLabel": "Variable Rate [Axis]" } } }, "localname": "VariableRateAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "stringItemType" }, "us-gaap_VariableRateDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.", "label": "Variable Rate [Domain]", "terseLabel": "Variable Rate [Domain]" } } }, "localname": "VariableRateDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/DerivativeAndHedgingActivitiesDetailsTextual" ], "xbrltype": "domainItemType" }, "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment": { "auth_ref": [ "r174" ], "lang": { "en-US": { "role": { "documentation": "The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.", "label": "Weighted Average Number Diluted Shares Outstanding Adjustment", "verboseLabel": "Diluted potential common shares (in shares)" } } }, "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r165", "r174" ], "lang": { "en-US": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "verboseLabel": "Shares" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r163", "r174" ], "lang": { "en-US": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "verboseLabel": "(Loss) income available to common shareholders (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/EquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WorkersCompensationLiabilityCurrent": { "auth_ref": [ "r50" ], "calculation": { "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails": { "order": 4.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Workers' Compensation Liability, Current", "verboseLabel": "Workers' compensation" } } }, "localname": "WorkersCompensationLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.spiritaerosystems.com/role/SupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" } }, "unitCount": 8 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r1": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/subtopic&trid=2122178" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6904-107765" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(12))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(21))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1,2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2(a),(d))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6911-107765" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7(b))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.9)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6935-107765" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6935-107765" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4273-108586" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513396&loc=SL98516241-196980" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e7018-107765" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(d),(e))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(e),(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(1)(i))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r151": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(n)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(n))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-09)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690" }, "r156": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21843-107793" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22595-107794" }, "r162": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "250", "URI": "http://asc.fasb.org/topic&trid=2122394" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "59A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780131-109256" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "60A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780132-109256" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(12))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "61A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780137-109256" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "68B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5498026-109256" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=116846552&loc=d3e725-108305" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=116846552&loc=d3e765-108305" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=116846552&loc=d3e777-108305" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=116846552&loc=d3e543-108305" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.10-01(a)(5))", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.10-01.(a)(5))", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.10-01.(b)(6))", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699" }, "r186": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "270", "URI": "http://asc.fasb.org/topic&trid=2126967" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(14))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592" }, "r198": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599" }, "r2": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "205", "URI": "http://asc.fasb.org/topic&trid=2122149" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(17))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r208": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "42", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9054-108599" }, "r215": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "280", "URI": "http://asc.fasb.org/topic&trid=2134510" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5033-111524" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707" }, "r221": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196772" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10149-111534" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10178-111534" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26626-111562" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(3)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(4)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563" }, "r233": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "320", "URI": "http://asc.fasb.org/topic&trid=2196928" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(b)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921835-210448" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "30", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116846819&loc=d3e3927-108312" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 5.BB)", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.BB)", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729" }, "r248": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "330", "URI": "http://asc.fasb.org/topic&trid=2126998" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(24))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(1)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(3)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r273": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r276": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349" }, "r279": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14394-108349" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14453-108349" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14472-108349" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "20", "Subparagraph": "(SAB TOPIC 5.Y.Q2)", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751" }, "r285": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12053-110248" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "((c)(2))", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r290": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "460", "URI": "http://asc.fasb.org/topic&trid=2155896" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-10(d)(4)(iv))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=116634808&loc=d3e168853-122756" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629" }, "r296": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(CFRR 211.02)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656" }, "r312": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "35", "Topic": "605", "URI": "http://asc.fasb.org/extlink&oid=68068069&loc=d3e57777-111642" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r321": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(i)(1)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048" }, "r331": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r332": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "610", "URI": "http://asc.fasb.org/topic&trid=49130413" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "710", "URI": "http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "30", "SubTopic": "10", "Topic": "710", "URI": "http://asc.fasb.org/extlink&oid=6409875&loc=d3e20028-108363" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "712", "URI": "http://asc.fasb.org/extlink&oid=6410066&loc=d3e79218-111664" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "712", "URI": "http://asc.fasb.org/extlink&oid=6410066&loc=d3e79218-111664" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=109237824&loc=d3e1703-114919" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=109237824&loc=d3e1731-114919" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(1)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(10)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(2)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(3)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(4)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(5)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(6)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(7)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(4)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(5)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(8)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(i)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(5))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)(1)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)(2)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)(3)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)(4)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)(5)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)(7)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(i)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(j)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(k)(1)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(6)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(k)(2)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(k)(3)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(l)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r373": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(m)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r374": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(n)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(s)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2410-114920" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(6)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2439-114920" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(1)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(2)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(3)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(4)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(5)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(7)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(6)(a)(4))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118136717&loc=SL108413206-114923" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "63", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65881987&loc=d3e16378-114935" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "64", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65881987&loc=d3e16414-114935" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "60", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "70", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(c)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(d)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(e)(1)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(8))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(f)(2)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450678-114947" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947" }, "r404": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "715", "URI": "http://asc.fasb.org/topic&trid=2235017" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "30", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116855757&loc=d3e3913-113898" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r411": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(f)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.12)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r420": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r423": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.F)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r424": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11374-113907" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "35", "SubTopic": "30", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116859318&loc=d3e15009-113911" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "740", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116859624&loc=d3e23524-113945" }, "r427": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "http://asc.fasb.org/topic&trid=2228938" }, "r428": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "720", "URI": "http://asc.fasb.org/topic&trid=2122503" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "730", "URI": "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28680-109314" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28680-109314" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28200-109314" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "35", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28937-109314" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "10B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32059-109318" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32123-109318" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32247-109318" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32280-109318" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31917-109318" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r440": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31928-109318" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31931-109318" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31958-109318" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r447": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r448": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r451": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r452": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(4)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r455": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r456": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319" }, "r457": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319" }, "r458": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r459": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r460": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r461": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r462": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32847-109319" }, "r463": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319" }, "r464": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319" }, "r465": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319" }, "r466": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319" }, "r467": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r468": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r469": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r470": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r471": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r472": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.C)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817" }, "r473": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e39076-109324" }, "r474": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r475": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r476": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "05", "SubTopic": "30", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=65884525&loc=d3e40913-109327" }, "r477": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331" }, "r478": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r479": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r480": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5333-128473" }, "r481": { "Name": "Accounting Standards Codification", "Paragraph": "38", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5504-128473" }, "r482": { "Name": "Accounting Standards Codification", "Paragraph": "38", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5504-128473" }, "r483": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "805", "URI": "http://asc.fasb.org/topic&trid=2303972" }, "r484": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=d3e5283-111683" }, "r485": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683" }, "r486": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683" }, "r487": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683" }, "r488": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c),(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r489": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19,20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r490": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685" }, "r491": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685" }, "r492": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685" }, "r493": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685" }, "r494": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685" }, "r495": { "Name": "Accounting Standards Codification", "Paragraph": "4I", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686" }, "r496": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "http://asc.fasb.org/topic&trid=2197479" }, "r497": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579240-113959" }, "r498": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r499": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r500": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959" }, "r501": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)(ii)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959" }, "r502": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959" }, "r503": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "c", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959" }, "r504": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959" }, "r505": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r506": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r507": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r508": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r509": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r510": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r511": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r512": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r513": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r514": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r515": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r516": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r517": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r518": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r519": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r520": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r521": { "Name": "Accounting Standards Codification", "Paragraph": "4E", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959" }, "r522": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41641-113959" }, "r523": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41675-113959" }, "r524": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959" }, "r525": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959" }, "r526": { "Name": "Accounting Standards Codification", "Paragraph": "182", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961" }, "r527": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "25", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986" }, "r528": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "25", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986" }, "r529": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r530": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994" }, "r531": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994" }, "r532": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(e)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994" }, "r533": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "815", "URI": "http://asc.fasb.org/topic&trid=2229140" }, "r534": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r535": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r536": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r537": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r538": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r539": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r540": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r541": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r542": { "Name": "Accounting Standards Codification", "Paragraph": "2C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258" }, "r543": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258" }, "r544": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "60", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260" }, "r545": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13279-108611" }, "r546": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611" }, "r547": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611" }, "r548": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611" }, "r549": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r550": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894" }, "r551": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30700-110894" }, "r552": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895" }, "r553": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906" }, "r554": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b,c)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r555": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r556": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r557": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399" }, "r558": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399" }, "r559": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r560": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r561": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77910348&loc=d3e34039-112682" }, "r562": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(Note 3)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697" }, "r563": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717" }, "r564": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r565": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164758&loc=d3e45023-112735" }, "r566": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164758&loc=d3e45031-112735" }, "r567": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737" }, "r568": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "840", "URI": "http://asc.fasb.org/topic&trid=2208923" }, "r569": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.26)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r570": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r571": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r572": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r573": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r574": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r575": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r576": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918666-209980" }, "r577": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r578": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r579": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.28,29)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r580": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(1)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r581": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r582": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r583": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(4)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r584": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r585": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980" }, "r586": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971" }, "r587": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982" }, "r588": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r589": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29,30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r590": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r591": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662" }, "r592": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r593": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r594": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r595": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r596": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r597": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=SL51823488-111719" }, "r598": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=SL51823488-111719" }, "r599": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107425-111719" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r600": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(a)", "Topic": "910", "URI": "http://asc.fasb.org/extlink&oid=118388040&loc=d3e49370-109356" }, "r601": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "310", "Topic": "912", "URI": "http://asc.fasb.org/extlink&oid=118261985&loc=d3e55302-109406" }, "r602": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "340", "Topic": "928", "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004" }, "r603": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447" }, "r604": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447" }, "r605": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447" }, "r606": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447" }, "r607": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447" }, "r608": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447" }, "r609": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3(c)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r610": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447" }, "r611": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447" }, "r612": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447" }, "r613": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(1)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447" }, "r614": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(2)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447" }, "r615": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "940", "URI": "http://asc.fasb.org/subtopic&trid=2176304" }, "r616": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(10))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r617": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r618": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r619": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(1))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3(c)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r620": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r621": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r622": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r623": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(6))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r624": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.13,16)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r625": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.16)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r626": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(13)(f))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r627": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r628": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r629": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.2)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r630": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(a)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803" }, "r631": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(b)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803" }, "r632": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(c)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803" }, "r633": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(d)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803" }, "r634": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/subtopic&trid=2209399" }, "r635": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "(c)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r636": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "e", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r637": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r638": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "740", "Subparagraph": "(b)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838" }, "r639": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r640": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16)(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r641": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r642": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(1)(b))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r643": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r644": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r645": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(15)(b)(1))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r646": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r647": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16)(a)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r648": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r649": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r650": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(24))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r651": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r652": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r653": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.16(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r654": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.16)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r655": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r656": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r657": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r658": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04.4)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r659": { "Name": "Accounting Standards Codification", "Paragraph": "2B", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419109&loc=SL117422543-158416" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r660": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r661": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419472&loc=d3e14931-158439" }, "r662": { "Name": "Accounting Standards Codification", "Paragraph": "7A", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419472&loc=SL117782755-158439" }, "r663": { "Name": "Accounting Standards Codification", "Paragraph": "7B", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419472&loc=SL117782768-158439" }, "r664": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r665": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r666": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(c)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r667": { "Name": "Accounting Standards Codification", "Paragraph": "9C", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(d)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884803&loc=SL65671395-207642" }, "r668": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "740", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556" }, "r669": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117420044&loc=SL117422267-158473" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r670": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195" }, "r671": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "S99", "SubTopic": "320", "Subparagraph": "(SX 210.12-15)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010" }, "r672": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "946", "URI": "http://asc.fasb.org/subtopic&trid=2324412" }, "r673": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r674": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "740", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=6491622&loc=d3e9504-115650" }, "r675": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "220", "Subparagraph": "(a)", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=114873921&loc=SL114875236-224282" }, "r676": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 2))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r677": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 4))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r678": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r679": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.8)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r680": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756" }, "r681": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r682": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r683": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r684": { "Name": "Forms 10-K, 20-F, 40-F", "Number": "240", "Publisher": "SEC", "Section": "15", "Subsection": "d-1" }, "r685": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r686": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r687": { "Footnote": "2", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r688": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r689": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.9)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r690": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "a", "Publisher": "SEC", "Section": "12", "Subsection": "04" }, "r691": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "d", "Publisher": "SEC", "Section": "3", "Subparagraph": "(4)(iv)", "Subsection": "10" }, "r692": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "i", "Publisher": "SEC", "Section": "3", "Subsection": "10" }, "r693": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "c", "Publisher": "SEC", "Section": "5", "Subparagraph": "Schedule I", "Subsection": "04" }, "r694": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "c", "Publisher": "SEC", "Section": "7", "Subparagraph": "Schedule II", "Subsection": "05" }, "r695": { "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "9", "Subsection": "06" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6801-107765" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313" }, "r75": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "210", "URI": "http://asc.fasb.org/topic&trid=2122208" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a),(b),(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(i),(j),(k)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(i-k)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "12A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL116659650-108580" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "14A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e689-108580" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "17A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724391-108580" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "17B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116657188&loc=SL116659661-227067" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116657190&loc=SL116659633-172590" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-03(e))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868656-224227" } }, "version": "2.1" }