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Expected future gross payments in the fourth fiscal year following the latest fiscal year from a defined benefit plan prior to reduction related to the Medicare Part D subsidy

No definition available.

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Expected future gross payments in the next fiscal year following the latest fiscal year from a defined benefit plan prior to reduction related to the Medicare Part D subsidy

No definition available.

Name:	ba_DefinedBenefitPlanExpectedFutureGrossBenefitPaymentsInYearOne
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Data Type:	xbrli:monetaryItemType
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Expected future gross payments after the five fiscal years following the latest fiscal year from a defined benefit plan prior to reduction related to the Medicare Part D subsidy

No definition available.

Name:	ba_DefinedBenefitPlanExpectedFutureGrossBenefitPaymentsInYearThereafter1
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Data Type:	xbrli:monetaryItemType
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Expected future gross payments in the third fiscal year following the latest fiscal year from a defined benefit plan prior to reduction related to the Medicare Part D subsidy

No definition available.

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Expected future gross payments in the second fiscal year following the latest fiscal year from a defined benefit plan prior to reduction related to the Medicare Part D subsidy

No definition available.

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Period Type:	instant

- Details

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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Data Type:	xbrli:monetaryItemType
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Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

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Data Type:	xbrli:monetaryItemType
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Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of the prescription drug subsidy receipts to be received after the fifth fiscal year following the latest fiscal year.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964

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Amount of the prescription drug subsidy receipts to be received in the next fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the fifth fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the fourth fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the third fiscal year following the latest fiscal year.

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Amount of the prescription drug subsidy receipts to be received in the second fiscal year following the latest fiscal year.