Summary Of Business Segment Data (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 62,286	$ 58,158	$ 76,559
Earnings from operations	(2,902)	(12,767)	(1,975)
Other income, net	551	447	438
Interest and debt expense	(2,682)	(2,156)	(722)
Loss before income taxes	(5,033)	(14,476)	(2,259)
Income tax benefit	743	2,535	1,623
Net loss	(4,290)	(11,941)	(636)
Net Income (Loss) Attributable to Noncontrolling Interest	(88)	(68)
Net loss attributable to Boeing Shareholders	(4,202)	(11,873)	(636)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Earnings from operations	(2,808)	(11,795)	(1,317)
Operating Segments [Member] | Commercial Airplanes
Segment Reporting Information [Line Items]
Revenues	19,493	16,162	32,255
Earnings from operations	(6,475)	(13,847)	(6,657)
Operating Segments [Member] | Defense, Space & Security
Segment Reporting Information [Line Items]
Revenues	26,540	26,257	26,095
Earnings from operations	1,544	1,539	2,615
Operating Segments [Member] | Global Services
Segment Reporting Information [Line Items]
Revenues	16,328	15,543	18,468
Earnings from operations	2,017	450	2,697
Operating Segments [Member] | Boeing Capital Corporation
Segment Reporting Information [Line Items]
Revenues	272	261	244
Earnings from operations	106	63	28
Corporate Reconciling Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(347)	(65)	(503)
Operating Income (Loss) Excluding Unallocated Pension and Postretirement Adjustments	1,267	2,355	2,073
FAS/CAS Service Cost Adjustment	$ (1,173)	$ (1,383)	$ (1,415)