Segment and Revenue Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Assets	$ 156,363	$ 137,012
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Assets	84,177	77,047
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Assets	15,350	14,921
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Assets	16,704	16,193
Other
Segment Reporting Information [Line Items]
Assets	$ 40,132	$ 28,851