Summary of Business Segment Data - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 77,794	$ 66,608	$ 62,286
Earnings from operations	(773)	(3,519)	(2,870)
Other income, net	1,227	1,058	551
Interest and debt expense	(2,459)	(2,561)	(2,714)
Loss before income taxes	(2,005)	(5,022)	(5,033)
Income tax (expense)/benefit	(237)	(31)	743
Net loss	(2,242)	(5,053)	(4,290)
Less: net loss attributable to noncontrolling interest	(20)	(118)	(88)
Net loss attributable to Boeing Shareholders	(2,222)	(4,935)	(4,202)
Operating Segments
Segment Reporting Information [Line Items]
Earnings from operations	(70)	(3,158)	(2,816)
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Total revenues	33,901	26,026	19,714
Earnings from operations	(1,635)	(2,341)	(6,377)
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Total revenues	24,933	23,162	26,540
Earnings from operations	(1,764)	(3,544)	1,544
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Total revenues	19,127	17,611	16,328
Earnings from operations	3,329	2,727	2,017
Other
Segment Reporting Information [Line Items]
Total revenues	(167)	(191)	(296)
Unallocated items, eliminations and other	1,759	1,504	1,227
FAS/CAS service cost adjustment	$ (1,056)	$ (1,143)	$ (1,173)