Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,242)	$ (561)
Currency translation adjustments	24	(36)
Unrealized (loss)/gain on derivative instruments [Abstract]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	94	11
Unrealized loss arising during period, tax	(28)	(3)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	35	(2)
Reclassification adjustment for losses included in net earnings, tax	(9)	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	129	9
Defined benefit pension plans & other postretirement benefits [Abstract]
Amortization of prior service credits included in net periodic pension cost, net of tax of $6 and $6	(23)	(23)
Amortization of prior service cost included in net periodic pension cost, tax	6	6
Amortization of actuarial losses included in net periodic pension cost, net of tax of ($40) and ($65)	159	228
Amortization of actuarial losses included in net periodic pension cost, tax	(40)	(65)
Settlements included in net loss, net of tax of $0 and $0		1
Other Comprehensive Income, Settlements and curtailments included in net income, tax	0	0
Pension and postretirement cost related to our equity method investments, net of tax of $0 and ($1)		2
Pension and post retirement benefits related to our equity method investments, tax	0	(1)
Total defined benefit pension plans and other postretirement benefits, net of tax	136	208
Other comprehensive income, net of tax	289	181
Comprehensive loss, net of tax	(953)	(380)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	(23)	(24)
Comprehensive loss attributable to Boeing Shareholders, net of tax	$ (930)	$ (356)