Accounts Receivable, net - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Receivables [Line Items]
Less valuation allowance	$ (89)	$ (116)	$ (390)
Total	2,649	2,517
U.S. government contracts
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	970	800
Commercial Airplanes
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	57	293
Global Services
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	1,526	1,390
Defense, Space, & Security
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	160	145
Other
Accounts Receivables [Line Items]
Accounts receivable, before allowance for credit loss, current	$ 25	$ 5