Earnings Per Share - Schedule of Weighted Average Number of Shares (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net loss attributable to Boeing shareholders	$ (11,817)	$ (2,222)	$ (4,935)
Less: Mandatory convertible preferred stock dividends accumulated during the period	58
Less: earnings available to participating securities, basic
Less: earnings available to participating securities, diluted
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)
Basic weighted average shares outstanding (in shares)	647.2	606.1	595.2
Participating securities (in shares)	0.3	0.3	0.3
Basic weighted average common shares outstanding (in shares)	646.9	605.8	594.9
Diluted weighted average shares outstanding (in shares)	647.2	606.1	595.2
Participating securities (in shares)	0.3	0.3	0.3
Diluted weighted average common shares outstanding (in shares)	646.9	605.8	594.9
Basic net loss per share (in dollars per share)	$ (18.36)	$ (3.67)	$ (8.30)
Diluted net loss per share (in dollars per share)	$ (18.36)	$ (3.67)	$ (8.30)