Segment and Revenue Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Assets	$ 136,347	$ 137,100
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Assets	76,879	76,825
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Assets	15,311	14,426
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Assets	16,491	16,149
Unallocated items, eliminations and other
Segment Reporting Information [Line Items]
Assets	$ 27,666	$ 29,700