3.21.1 html 289 324 1 true 79 0 false 6 false false R1.htm 0001001 - Document - Cover Page Sheet http://www.spglobal.com/role/CoverPage Cover Page Cover 1 false false R2.htm 1001002 - Statement - Consolidated Statements of Income (Unaudited) Sheet http://www.spglobal.com/role/ConsolidatedStatementsofIncomeUnaudited Consolidated Statements of Income (Unaudited) Statements 2 false false R3.htm 1002003 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) Sheet http://www.spglobal.com/role/ConsolidatedStatementsofComprehensiveIncomeUnaudited Consolidated Statements of Comprehensive Income (Unaudited) Statements 3 false false R4.htm 1003004 - Statement - Consolidated Balance Sheets Sheet http://www.spglobal.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 4 false false R5.htm 1004005 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.spglobal.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 5 false false R6.htm 1005006 - Statement - Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.spglobal.com/role/ConsolidatedStatementsofCashFlowsUnaudited Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 1006007 - Statement - Consolidated Statements of Equity (Deficit) (Unaudited) Sheet http://www.spglobal.com/role/ConsolidatedStatementsofEquityDeficitUnaudited Consolidated Statements of Equity (Deficit) (Unaudited) Statements 7 false false R8.htm 1007008 - Statement - Consolidated Statements of Equity (Deficit) (Unaudited) (Parenthetical) Sheet http://www.spglobal.com/role/ConsolidatedStatementsofEquityDeficitUnauditedParenthetical Consolidated Statements of Equity (Deficit) (Unaudited) (Parenthetical) Statements 8 false false R9.htm 2101101 - Disclosure - Nature of Operations and Basis of Presentation Sheet http://www.spglobal.com/role/NatureofOperationsandBasisofPresentation Nature of Operations and Basis of Presentation Notes 9 false false R10.htm 2107102 - Disclosure - Acquisitions and Divestitures Sheet http://www.spglobal.com/role/AcquisitionsandDivestitures Acquisitions and Divestitures Notes 10 false false R11.htm 2111103 - Disclosure - Income Taxes Sheet http://www.spglobal.com/role/IncomeTaxes Income Taxes Notes 11 false false R12.htm 2113104 - Disclosure - Debt Sheet http://www.spglobal.com/role/Debt Debt Notes 12 false false R13.htm 2117105 - Disclosure - Derivative Instruments Sheet http://www.spglobal.com/role/DerivativeInstruments Derivative Instruments Notes 13 false false R14.htm 2123106 - Disclosure - Employee Benefits Sheet http://www.spglobal.com/role/EmployeeBenefits Employee Benefits Notes 14 false false R15.htm 2127107 - Disclosure - Stock-Based Compensation Sheet http://www.spglobal.com/role/StockBasedCompensation Stock-Based Compensation Notes 15 false false R16.htm 2129108 - Disclosure - Equity Sheet http://www.spglobal.com/role/Equity Equity Notes 16 false false R17.htm 2135109 - Disclosure - Earnings Per Share Sheet http://www.spglobal.com/role/EarningsPerShare Earnings Per Share Notes 17 false false R18.htm 2138110 - Disclosure - Restructuring Sheet http://www.spglobal.com/role/Restructuring Restructuring Notes 18 false false R19.htm 2142111 - Disclosure - Segment and Related Information Sheet http://www.spglobal.com/role/SegmentandRelatedInformation Segment and Related Information Notes 19 false false R20.htm 2148112 - Disclosure - Commitments and Contingencies Sheet http://www.spglobal.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 20 false false R21.htm 2156113 - Disclosure - Recently Issued or Adopted Accounting Standards Sheet http://www.spglobal.com/role/RecentlyIssuedorAdoptedAccountingStandards Recently Issued or Adopted Accounting Standards Notes 21 false false R22.htm 2202201 - Disclosure - Nature of Operations and Basis of Presentation (Policies) Sheet http://www.spglobal.com/role/NatureofOperationsandBasisofPresentationPolicies Nature of Operations and Basis of Presentation (Policies) Policies http://www.spglobal.com/role/RecentlyIssuedorAdoptedAccountingStandards 22 false false R23.htm 2303301 - Disclosure - Nature of Operations and Basis of Presentation (Tables) Sheet http://www.spglobal.com/role/NatureofOperationsandBasisofPresentationTables Nature of Operations and Basis of Presentation (Tables) Tables http://www.spglobal.com/role/NatureofOperationsandBasisofPresentation 23 false false R24.htm 2308302 - Disclosure - Acquisitions and Divestitures (Tables) Sheet http://www.spglobal.com/role/AcquisitionsandDivestituresTables Acquisitions and Divestitures (Tables) Tables http://www.spglobal.com/role/AcquisitionsandDivestitures 24 false false R25.htm 2314303 - Disclosure - Debt (Tables) Sheet http://www.spglobal.com/role/DebtTables Debt (Tables) Tables http://www.spglobal.com/role/Debt 25 false false R26.htm 2318304 - Disclosure - Derivative Instruments (Tables) Sheet http://www.spglobal.com/role/DerivativeInstrumentsTables Derivative Instruments (Tables) Tables http://www.spglobal.com/role/DerivativeInstruments 26 false false R27.htm 2324305 - Disclosure - Employee Benefits (Tables) Sheet http://www.spglobal.com/role/EmployeeBenefitsTables Employee Benefits (Tables) Tables http://www.spglobal.com/role/EmployeeBenefits 27 false false R28.htm 2330306 - Disclosure - Equity (Tables) Sheet http://www.spglobal.com/role/EquityTables Equity (Tables) Tables http://www.spglobal.com/role/Equity 28 false false R29.htm 2336307 - Disclosure - Earnings Per Share (Tables) Sheet http://www.spglobal.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.spglobal.com/role/EarningsPerShare 29 false false R30.htm 2339308 - Disclosure - Restructuring (Tables) Sheet http://www.spglobal.com/role/RestructuringTables Restructuring (Tables) Tables http://www.spglobal.com/role/Restructuring 30 false false R31.htm 2343309 - Disclosure - Segment and Related Information (Tables) Sheet http://www.spglobal.com/role/SegmentandRelatedInformationTables Segment and Related Information (Tables) Tables http://www.spglobal.com/role/SegmentandRelatedInformation 31 false false R32.htm 2349310 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesTables Commitments and Contingencies (Tables) Tables http://www.spglobal.com/role/CommitmentsandContingencies 32 false false R33.htm 2404401 - Disclosure - Nature of Operations and Basis of Presentation - Narrative (Details) Sheet http://www.spglobal.com/role/NatureofOperationsandBasisofPresentationNarrativeDetails Nature of Operations and Basis of Presentation - Narrative (Details) Details 33 false false R34.htm 2405402 - Disclosure - Nature of Operations and Basis of Presentation - Narrative Remaining Performance Obligations (Details) Sheet http://www.spglobal.com/role/NatureofOperationsandBasisofPresentationNarrativeRemainingPerformanceObligationsDetails Nature of Operations and Basis of Presentation - Narrative Remaining Performance Obligations (Details) Details 34 false false R35.htm 2406403 - Disclosure - Nature of Operations and Basis of Presentation - Components of Other (Income) Expense, Net (Details) Sheet http://www.spglobal.com/role/NatureofOperationsandBasisofPresentationComponentsofOtherIncomeExpenseNetDetails Nature of Operations and Basis of Presentation - Components of Other (Income) Expense, Net (Details) Details 35 false false R36.htm 2409404 - Disclosure - Acquisitions and Divestitures - Narrative (Details) Sheet http://www.spglobal.com/role/AcquisitionsandDivestituresNarrativeDetails Acquisitions and Divestitures - Narrative (Details) Details 36 false false R37.htm 2410405 - Disclosure - Acquisitions and Divestitures - Operating Profit of Business Held-for-Sale (Details) Sheet http://www.spglobal.com/role/AcquisitionsandDivestituresOperatingProfitofBusinessHeldforSaleDetails Acquisitions and Divestitures - Operating Profit of Business Held-for-Sale (Details) Details 37 false false R38.htm 2412406 - Disclosure - Income Taxes - Narrative (Details) Sheet http://www.spglobal.com/role/IncomeTaxesNarrativeDetails Income Taxes - Narrative (Details) Details 38 false false R39.htm 2415407 - Disclosure - Debt - Summary (Details) Sheet http://www.spglobal.com/role/DebtSummaryDetails Debt - Summary (Details) Details 39 false false R40.htm 2416408 - Disclosure - Debt - Narrative (Details) Sheet http://www.spglobal.com/role/DebtNarrativeDetails Debt - Narrative (Details) Details 40 false false R41.htm 2419409 - Disclosure - Derivative Instruments - Narrative (Details) Sheet http://www.spglobal.com/role/DerivativeInstrumentsNarrativeDetails Derivative Instruments - Narrative (Details) Details 41 false false R42.htm 2420410 - Disclosure - Derivative Instruments - Location and Fair Values of Cash Flow Hedges (Details) Sheet http://www.spglobal.com/role/DerivativeInstrumentsLocationandFairValuesofCashFlowHedgesDetails Derivative Instruments - Location and Fair Values of Cash Flow Hedges (Details) Details 42 false false R43.htm 2421411 - Disclosure - Derivative Instruments - Location and Amounts of Pre-Tax Gains (Losses) on Cash Flow Hedges (Details) Sheet http://www.spglobal.com/role/DerivativeInstrumentsLocationandAmountsofPreTaxGainsLossesonCashFlowHedgesDetails Derivative Instruments - Location and Amounts of Pre-Tax Gains (Losses) on Cash Flow Hedges (Details) Details 43 false false R44.htm 2422412 - Disclosure - Derivative Instruments - Change in Unrealized Gains (Losses) in AOCI (Details) Sheet http://www.spglobal.com/role/DerivativeInstrumentsChangeinUnrealizedGainsLossesinAOCIDetails Derivative Instruments - Change in Unrealized Gains (Losses) in AOCI (Details) Details 44 false false R45.htm 2425413 - Disclosure - Employee Benefits - Narrative (Details) Sheet http://www.spglobal.com/role/EmployeeBenefitsNarrativeDetails Employee Benefits - Narrative (Details) Details 45 false false R46.htm 2426414 - Disclosure - Employee Benefits - Components of Net Periodic Benefit Cost (Credit) (Details) Sheet http://www.spglobal.com/role/EmployeeBenefitsComponentsofNetPeriodicBenefitCostCreditDetails Employee Benefits - Components of Net Periodic Benefit Cost (Credit) (Details) Details 46 false false R47.htm 2428415 - Disclosure - Stock-Based Compensation - Narrative (Details) Sheet http://www.spglobal.com/role/StockBasedCompensationNarrativeDetails Stock-Based Compensation - Narrative (Details) Details 47 false false R48.htm 2431416 - Disclosure - Equity - Stock Repurchases (Details) Sheet http://www.spglobal.com/role/EquityStockRepurchasesDetails Equity - Stock Repurchases (Details) Details 48 false false R49.htm 2432417 - Disclosure - Equity - Accelerated Share Repurchase Program (Details) Sheet http://www.spglobal.com/role/EquityAcceleratedShareRepurchaseProgramDetails Equity - Accelerated Share Repurchase Program (Details) Details 49 false false R50.htm 2433418 - Disclosure - Equity - Redeemable Noncontrolling Interests (Details) Sheet http://www.spglobal.com/role/EquityRedeemableNoncontrollingInterestsDetails Equity - Redeemable Noncontrolling Interests (Details) Details 50 false false R51.htm 2434419 - Disclosure - Equity - Accumulated Other Comprehensive Loss (Details) Sheet http://www.spglobal.com/role/EquityAccumulatedOtherComprehensiveLossDetails Equity - Accumulated Other Comprehensive Loss (Details) Details 51 false false R52.htm 2437420 - Disclosure - Earnings Per Share - Summary (Details) Sheet http://www.spglobal.com/role/EarningsPerShareSummaryDetails Earnings Per Share - Summary (Details) Details 52 false false R53.htm 2440421 - Disclosure - Restructuring - Narrative (Details) Sheet http://www.spglobal.com/role/RestructuringNarrativeDetails Restructuring - Narrative (Details) Details 53 false false R54.htm 2441422 - Disclosure - Restructuring - Summary (Details) Sheet http://www.spglobal.com/role/RestructuringSummaryDetails Restructuring - Summary (Details) Details 54 false false R55.htm 2444423 - Disclosure - Segment and Related Information - Narrative (Details) Sheet http://www.spglobal.com/role/SegmentandRelatedInformationNarrativeDetails Segment and Related Information - Narrative (Details) Details 55 false false R56.htm 2445424 - Disclosure - Segment and Related Information - Operating Results by Segment (Details) Sheet http://www.spglobal.com/role/SegmentandRelatedInformationOperatingResultsbySegmentDetails Segment and Related Information - Operating Results by Segment (Details) Details 56 false false R57.htm 2446425 - Disclosure - Segment and Related Information - Revenue Disaggregated by Type (Details) Sheet http://www.spglobal.com/role/SegmentandRelatedInformationRevenueDisaggregatedbyTypeDetails Segment and Related Information - Revenue Disaggregated by Type (Details) Details 57 false false R58.htm 2447426 - Disclosure - Segment and Related Information - Revenue by Geographic Region (Details) Sheet http://www.spglobal.com/role/SegmentandRelatedInformationRevenuebyGeographicRegionDetails Segment and Related Information - Revenue by Geographic Region (Details) Details 58 false false R59.htm 2450427 - Disclosure - Commitments and Contingencies - Narrative (Details) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesNarrativeDetails Commitments and Contingencies - Narrative (Details) Details 59 false false R60.htm 2451428 - Disclosure - Commitments and Contingencies - Location and Amounts of Leases (Details) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesLocationandAmountsofLeasesDetails Commitments and Contingencies - Location and Amounts of Leases (Details) Details 60 false false R61.htm 2452429 - Disclosure - Commitments and Contingencies - Components of Lease Expense (Details) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesComponentsofLeaseExpenseDetails Commitments and Contingencies - Components of Lease Expense (Details) Details 61 false false R62.htm 2453430 - Disclosure - Commitments and Contingencies - Supplemental Cash Flow Information (Details) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesSupplementalCashFlowInformationDetails Commitments and Contingencies - Supplemental Cash Flow Information (Details) Details 62 false false R63.htm 2454431 - Disclosure - Commitments and Contingencies - Lease Term and Discount Rate (Details) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesLeaseTermandDiscountRateDetails Commitments and Contingencies - Lease Term and Discount Rate (Details) Details 63 false false R64.htm 2455432 - Disclosure - Commitments and Contingencies - Maturities of Lease Liabilities (Details) Sheet http://www.spglobal.com/role/CommitmentsandContingenciesMaturitiesofLeaseLiabilitiesDetails Commitments and Contingencies - Maturities of Lease Liabilities (Details) Details 64 false false All Reports Book All Reports spgi-20210331.htm spgi-20210331.xsd spgi-20210331_cal.xml spgi-20210331_def.xml spgi-20210331_lab.xml spgi-20210331_pre.xml spgi-ex101xq12021.htm spgi-ex102xq12021.htm spgi-ex103xq12021.htm spgi-ex104xq12021.htm spgi-ex15x2021331q1.htm spgi-ex311x2021331q1.htm spgi-ex312x2021331.htm spgi-ex32x2021331q1.htm spgi-20210331_g1.jpg spgi-20210331_g2.jpg spgi-20210331_g3.jpg http://fasb.org/srt/2020-01-31 http://xbrl.sec.gov/dei/2020-01-31 http://fasb.org/us-gaap/2020-01-31 http://xbrl.sec.gov/country/2020-01-31 true true