Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Assets	$ 91,007	$ 89,997
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	46,755	46,745
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Assets	15,279	14,123
Operating Segments [Member] | Global Services [Member]
Segment Reporting Information [Line Items]
Assets	12,144	11,490
Operating Segments [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Assets	3,530	4,139
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Assets	$ 13,299	$ 13,500