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v3.23.3

Shareholders' Equity - Narrative (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2023 USD ($)
Equity [Abstract] |
Additional paid in capital, period increase (decrease) | $ (267)

X
- Definition Additional Paid In Capital, Period Increase (Decrease) + References No definition available. + Details
Name: | ba_AdditionalPaidInCapitalPeriodIncreaseDecrease
Namespace Prefix: | ba_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration