Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Assets	$ 143,075	$ 133,625
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Assets	76,898	73,995
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Assets	15,789	15,757
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Assets	19,043	18,605
Operating Segments | Boeing Capital
Segment Reporting Information [Line Items]
Assets	2,228	2,269
Unallocated items, eliminations and other
Segment Reporting Information [Line Items]
Assets	$ 29,117	$ 22,999