Segment and Revenue Information (Reconciliation of Assets from Segment to Consolidated) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Assets	$ 138,552	$ 152,136
Operating Segments [Member] | Commercial Airplanes
Segment Reporting Information [Line Items]
Assets	75,863	77,973
Operating Segments [Member] | Defense, Space & Security
Segment Reporting Information [Line Items]
Assets	14,974	14,256
Operating Segments [Member] | Global Services
Segment Reporting Information [Line Items]
Assets	16,397	17,399
Operating Segments [Member] | Boeing Capital Corporation
Segment Reporting Information [Line Items]
Assets	1,735	1,978
Corporate Reconciling Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	$ 29,583	$ 40,530