Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,829)	$ (2,242)	$ (5,053)
Other comprehensive (loss)/income, net of tax:
Currency translation adjustments	(44)	33	(62)
Unrealized gain/(loss) on certain investments, net of tax of $0, $0 and $0		2	(1)
Derivative instruments:
Unrealized (loss)/gain arising during period, net of tax of $0, ($11) and $12	(258)	41	(40)
Reclassification adjustment for loss/(gain) included in net loss, net of tax of $0, $1 and ($3)	35	(5)	10
Total unrealized (loss)/gain on derivative instruments, net of tax	(223)	36	(30)
Defined benefit pension plans & other postretirement benefits:
Net actuarial (loss)/gain arising during the period, net of tax of ($1), $13 and ($22)	(225)	(722)	1,533
Amortization of actuarial loss/(gain) included in net periodic pension cost, net of tax of $0, $0 and ($11)	105	(2)	791
Settlement gain included in net periodic cost, net of tax of $0, $0 and $0			(4)
Amortization of prior service credits included in net periodic pension cost, net of tax of $0, $1 and $2	(92)	(102)	(114)
Prior service credits arising during the period, net of tax of $0, $0 and $0	(140)		(1)
Pension and postretirement benefit/(cost) related to our equity method investments, net of tax of $0, $0 and $0	9		(3)
Total defined benefit pension plans & other postretirement benefits, net of tax	(343)	(826)	2,202
Other comprehensive (loss)/income, net of tax	(610)	(755)	2,109
Comprehensive loss	(12,439)	(2,997)	(2,944)
Comprehensive loss related to noncontrolling interests	(12)	(20)	(118)
Comprehensive loss attributable to Boeing Shareholders	$ (12,427)	$ (2,977)	$ (2,826)