Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,290)	$ (11,941)	$ (636)
Currency translation adjustments	(75)	98	(27)
Unrealized gain on certain investments, net of tax of $0, $0 and $0			1
Unrealized gain on certain investments, tax	0	0	0
Derivative instruments:
Unrealized gain/(loss) arising during period, net of tax of ($16), ($4) and $13	55	14	(48)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(16)	(4)	13
Reclassification adjustment for (gain)/loss included in net earnings, net of tax of $2, ($7) and ($7)	6	(27)	(26)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	2	(7)	(7)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total	49	41	(22)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]
Net actuarial gain/(loss) arising during the period, net of tax of ($32), $111 and $405	4,262	(1,956)	(1,413)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	(32)	111	405
Amortization of actuarial losses included in net periodic pension cost, net of tax of ($8), ($52) and ($133)	1,155	917	464
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax	(8)	(52)	(133)
Settlements included in net income, net of tax of ($2), $0 and $0	191	5
Other Comprehensive Income, Settlements and curtailments included in net income, tax	(2)	0	0
Amortization of prior service credits included in net periodic pension cost, net of tax of $1, $6 and $25	(114)	(112)	(89)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax	1	6	25
Prior service cost/(credit) arising during the period, net of tax of $0, ($2) and $0		27	(1)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Tax	0	(2)	0
Pension and postretirement benefits related to equity method investments, net of tax	6		17
Pension and post retirement benefits related to our equity method investments, tax	(2)	0	(5)
Total defined benefit pension plans & other postretirement benefits, net of tax	5,500	(1,119)	(1,022)
Other comprehensive income/(loss), net of tax	5,474	(980)	(1,070)
Comprehensive loss related to noncontrolling interests	(88)	(68)	(41)
Comprehensive income/(loss), net of tax	1,184	(12,921)	(1,747)
Comprehensive income/(loss) attributable to Boeing Shareholders, net of tax	$ 1,272	$ (12,853)	$ (1,706)