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Debt Debt (Schedule of Long-term debt instruments) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Debt and Lease Obligation $ 58,102 $ 63,583
Boeing Capital Corporation    
Debt Instrument [Line Items]    
Debt and Lease Obligation 1,525 1,640
Other Boeing Debt [Member]    
Debt Instrument [Line Items]    
Debt and Lease Obligation $ 56,577 $ 61,943