Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (6,174)	$ (1,638)	$ (7,968)	$ (2,212)
Other comprehensive loss, net of tax:
Currency translation adjustments	54	(39)	30	(29)
Unrealized gain on certain investments, net of tax of $0, $0, $0 and $0	1	1	1	1
Derivative instruments:
Unrealized (losses)/gains arising during period, net of tax of $3, $17, ($19) and $10	63	(35)	(13)	(60)
Reclassification adjustment for losses included in net loss, net of tax of ($7), $0, $1 and ($1)		4	26	2
Total unrealized gain/(loss) on derivative instruments, net of tax	63	(31)	13	(58)
Defined benefit pension plans and other postretirement benefits:
Net actuarial (losses)/gains arising during the period, net of tax of $16, $2, ($1) and $0		1	(18)	(5)
Amortization of actuarial losses/(gains) included in net periodic benefit cost, net of tax of ($30), $1, ($10) and $0	12	(2)	38	(6)
Amortization of prior service credits included in net periodic benefit cost, net of tax of $31, $17, $11 and $5	(12)	(21)	(38)	(61)
Pension and postretirement cost related to our equity method investments, net of tax of ($2), $0, $1 and $0	1		6
Total defined benefit pension plans and other postretirement benefits, net of tax	1	(22)	(12)	(72)
Other comprehensive income/(loss), net of tax	119	(91)	32	(158)
Comprehensive loss, net of tax	(6,055)	(1,729)	(7,936)	(2,370)
Less: Comprehensive loss related to noncontrolling interest	(4)	(2)	(16)	(13)
Comprehensive loss attributable to Boeing Shareholders, net of tax	$ (6,051)	$ (1,727)	$ (7,920)	$ (2,357)