Summary of Business Segment Data - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total revenues	$ 66,517	$ 77,794	$ 66,608
Segment operating (loss)/earnings	(10,707)	(773)	(3,519)
Other income, net	1,222	1,227	1,058
Interest and debt expense	(2,725)	(2,459)	(2,561)
Loss before income taxes	(12,210)	(2,005)	(5,022)
Income tax benefit/(expense)	381	(237)	(31)
Net loss	(11,829)	(2,242)	(5,053)
Less: net loss attributable to noncontrolling interest	(12)	(20)	(118)
Net loss attributable to Boeing shareholders	(11,817)	(2,222)	(4,935)
Less: Mandatory convertible preferred stock dividends accumulated during the period	58
Net loss attributable to Boeing common shareholders	(11,875)	(2,222)	(4,935)
Net loss attributable to Boeing common shareholders	(11,875)	(2,222)	(4,935)
Operating Segments
Segment Reporting Information [Line Items]
Segment operating (loss)/earnings	(9,764)	(70)	(3,158)
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Total revenues	22,861	33,901	26,026
Segment operating (loss)/earnings	(7,969)	(1,635)	(2,341)
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Total revenues	23,918	24,933	23,162
Segment operating (loss)/earnings	(5,413)	(1,764)	(3,544)
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Total revenues	19,954	19,127	17,611
Segment operating (loss)/earnings	3,618	3,329	2,727
Other
Segment Reporting Information [Line Items]
Total revenues	(216)	(167)	(191)
Unallocated items, eliminations and other	2,047	1,759	1,504
FAS/CAS service cost adjustment	$ (1,104)	$ (1,056)	$ (1,143)