Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net (loss)/earnings	$ (149)	$ 160	$ (574)	$ (1,082)
Other comprehensive (loss)/income, net of tax:
Currency translation adjustments	(6)	(76)	10	(52)
Derivative instruments:
Unrealized loss arising during period, net of tax of $7, $21, $12 and $49	(43)	(168)	(25)	(74)
Reclassification adjustment for (gains)/losses included in net (loss)/earnings, net of tax of $1, ($8), $0 and $1	3	(5)	(2)	30
Total unrealized loss on derivative instruments, net of tax	(40)	(173)	(27)	(44)
Defined benefit pension plans and other postretirement benefits:
Net actuarial (loss)/gain arising during the period, net of tax of $2, $0, $0 and $0	1		(6)
Amortization of actuarial (gains)/losses included in net periodic pension cost, net of tax of $1, ($84), $1 and ($44)	(2)	155	(4)	314
Amortization of prior service credits included in net periodic pension cost, net of tax of $12, $12, $6 and $6	(20)	(23)	(40)	(46)
Total defined benefit pension plans and other postretirement benefits, net of tax	(21)	132	(50)	268
Other comprehensive (loss)/income, net of tax	(67)	(117)	(67)	172
Comprehensive (loss)/income, net of tax	(216)	43	(641)	(910)
Less: Comprehensive loss related to noncontrolling interest		(33)	(11)	(56)
Comprehensive (loss)/income attributable to Boeing Shareholders, net of tax	$ (216)	$ 76	$ (630)	$ (854)