Accounts Receivable, net - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts Receivables [Line Items]
Less valuation allowance	$ (92)	$ (89)	$ (116)
Total	2,631	2,649
U.S. government contracts
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	923	970
Commercial Airplanes
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	48	57
Global Services
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	1,581	1,526
Defense, Space, & Security
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	165	160
Other
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	$ 6	$ 25