Summary of Business Segment Data - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Total revenues	$ 19,751	$ 16,681	$ 37,672	$ 30,672
(Loss)/earnings from operations	(99)	780	(248)	(382)
Other income, net	320	253	622	434
Interest and debt expense	(621)	(656)	(1,270)	(1,293)
(Loss)/earnings before income taxes	(400)	377	(896)	(1,241)
Income tax benefit/(expense)	251	(217)	322	159
Net (loss)/earnings	(149)	160	(574)	(1,082)
Less: net loss attributable to noncontrolling interest		(33)	(11)	(56)
Net (loss)/earnings attributable to Boeing Shareholders	(149)	193	(563)	(1,026)
Operating Segments
Segment Reporting Information [Line Items]
(Loss)/earnings from operations	(54)	580	(34)	(614)
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Total revenues	8,840	6,258	15,544	10,452
(Loss)/earnings from operations	(383)	(219)	(998)	(1,116)
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Total revenues	6,167	6,191	12,706	11,674
(Loss)/earnings from operations	(527)	71	(739)	(858)
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Total revenues	4,746	4,298	9,466	8,612
(Loss)/earnings from operations	856	728	1,703	1,360
Unallocated items, eliminations and other
Segment Reporting Information [Line Items]
Total revenues	(2)	(66)	(44)	(66)
Unallocated items, eliminations and other	(336)	(84)	(796)	(335)
FAS/CAS service cost adjustment	$ 291	$ 284	$ 582	$ 567