Name:	ba_IncreaseDecreaseinEarningsfromoperationsduetochangeinaccountingestimate.
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Number of aircraft included in backlog for which definitized contracts have been executed and funding has been authorized.

No definition available.

Name:	ba_NumberOfAircraftIncludedWithinBacklog
Namespace Prefix:	ba_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of unsold aircraft associated with inventory expenditures and potential termination liabilities to suppliers.

No definition available.

Name:	ba_NumberUnsoldAircraft
Namespace Prefix:	ba_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Aircraft

No definition available.

Name:	ba_NumberofAircraft
Namespace Prefix:	ba_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Aircraft Ordered

No definition available.

Name:	ba_NumberofAircraftOrdered
Namespace Prefix:	ba_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

[Line Items] for Estimate Adjustments

No definition available.

Name:	ba_QuarterlyEstimateAdjustmentLineItems
Namespace Prefix:	ba_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Expiration date of trade-in commitment agreements related to commercial aircraft commitments.

No definition available.

Name:	ba_TradeInCommitmentExpirationDate
Namespace Prefix:	ba_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 05

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6395354&loc=d3e12631-108344

Name:	us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_AircraftTypeAxis=ba_C17ProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_AircraftTypeAxis=ba_F18ProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_BacklogOrdersAxis=ba_U.S.NavyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_CommitmentTypeAxis=ba_FinancingCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_CommitmentTypeAxis=ba_UlaAdditionalCapitalCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_CommercialAircraftCommitmentsAxis=ba_TotalcontractualtradeinvaluemaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_CommitmentTypeAxis=ba_CommercialAircraftCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_CommercialAircraftCommitmentsAxis=ba_NetAmountsPayableToCustomersRelatedToProbableContractualTradeInCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_CommercialAircraftCommitmentsAxis=ba_ProbablecontractualtradeinvalueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ExternalCreditRatingByGroupingAxis=us-gaap_ExternalCreditRatingNonInvestmentGradeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=ba_CommercialAirplanesSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=ba_BoeingDefenseSpaceSecuritySegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_FundingSourceAxis=ba_U.S.BudgetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ba_FundingSourceAxis=ba_UnfundedPriorityListMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: