Earnings Per Share (Schedule Of Weighted-Average Number Of Shares Outstanding Used To Compute Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2022		Sep. 30, 2021		Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net loss attributable to Boeing Shareholders	$ (3,275)		$ (109)		$ (4,301)	$ (59)
Net (loss)/earnings available to common shareholders	$ (3,275)		$ (109)		$ (4,301)	$ (59)
Participating securities	0.3	[1]	0.4	[1]	0.3	0.4
Weighted average diluted shares (millions)	596.3		589.0		594.0	587.3
Participating securities	0.3	[1]	0.4	[1]	0.3	0.4
Diluted weighted average common shares outstanding	596.0		588.6		593.7	586.9
Earnings Per Share, Basic	$ (5.49)		$ (0.19)		$ (7.24)	$ (0.10)
Earnings Per Share, Diluted	$ (5.49)		$ (0.19)		$ (7.24)	$ (0.10)
Weighted Average Number of Shares Outstanding, Basic	596.3		589.0		594.0	587.3
Weighted Average Number of Common Shares Outstanding, Basic	596.0		588.6		593.7	586.9

[1] Participating securities include certain instruments in our deferred compensation plan.