Segment and Revenue Information - Schedule of Capital Expenditures by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Capital expenditures	$ 2,230	$ 1,527	$ 1,222
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Capital expenditures	508	420	218
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Capital expenditures	296	192	202
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Capital expenditures	212	127	130
Other
Segment Reporting Information [Line Items]
Capital expenditures	$ 1,214	$ 788	$ 672