Name:	ba_DefinedBenefitPlanExpectedFutureGrossBenefitPaymentsInYearFive1
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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.

Name:	ba_DefinedBenefitPlanExpectedFutureGrossBenefitPaymentsInYearFour1
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Data Type:	xbrli:monetaryItemType
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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
Namespace Prefix:	ba_
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
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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.

Name:	ba_DefinedBenefitPlanExpectedFutureGrossBenefitPaymentsInYearThree1
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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.

Name:	ba_DefinedBenefitPlanExpectedFutureGrossBenefitPaymentsInYearTwo1
Namespace Prefix:	ba_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years 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.

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Amount of benefits from a defined benefit plan expected to be paid 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.

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Amount of benefits from a defined benefit plan expected to be paid 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.

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Data Type:	xbrli:monetaryItemType
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Amount of benefits from a defined benefit plan expected to be paid 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.

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

Amount of benefits from a defined benefit plan expected to be paid 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.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of benefits from a defined benefit plan expected to be paid 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.

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

Amount of the prescription drug subsidy receipts to be received 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.

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=35743120&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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Data Type:	xbrli:monetaryItemType
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Amount of the prescription drug subsidy receipts to be received 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.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of the prescription drug subsidy receipts to be received 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.

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Data Type:	xbrli:monetaryItemType
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Amount of the prescription drug subsidy receipts to be received 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.

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Data Type:	xbrli:monetaryItemType
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Amount of the prescription drug subsidy receipts to be received 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.

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Data Type:	xbrli:monetaryItemType
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Amount of the prescription drug subsidy receipts to be received 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.