Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 13,991	$ 15,217
Loss from operations	(1,169)	(83)
Other income, net	181	190
Interest and debt expense	(630)	(679)
(Loss)/earnings before income taxes	(1,618)	(572)
Income tax benefit	376	11
Net loss	(1,242)	(561)
Less: net loss attributable to noncontrolling interest	(23)	(24)
Net loss attributable to Boeing Shareholders	(1,219)	(537)
Operating Segments
Segment Reporting Information [Line Items]
Loss from operations	(1,192)	11
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Revenues	4,161	4,269
Loss from operations	(859)	(856)
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Revenues	5,483	7,185
Loss from operations	(929)	405
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Revenues	4,314	3,749
Loss from operations	632	441
Operating Segments | Boeing Capital
Segment Reporting Information [Line Items]
Revenues	46	60
Loss from operations	(36)	21
Corporate Reconciling Items And Eliminations
Segment Reporting Information [Line Items]
Revenues	(13)	(46)
Unallocated items, eliminations and other	(260)	(364)
FAS/CAS service cost adjustment	$ 283	$ 270