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				6 Months Ended
	Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net loss attributable to Boeing Shareholders	$ 193		$ 587		$ (1,026)	$ 50
Undistributed Earnings Allocated to Participating Securities, Basic
Net (loss)/earnings available to common shareholders	$ 193		$ 587		$ (1,026)	$ 50
Participating securities	0.3	[1]	0.4	[1]	0.3	0.4
Dilutive potential common shares	2.4	[2]	2.7	[2]		2.2
Weighted average diluted shares (millions)	596.4		590.2		592.8	588.6
Participating securities	0.3	[1]	0.4	[1]	0.3	0.4
Diluted weighted average common shares outstanding	596.1		589.8		592.5	588.2
Earnings Per Share, Basic	$ 0.32		$ 1.00		$ (1.73)	$ 0.09
Earnings Per Share, Diluted	$ 0.32		$ 1.00		$ (1.73)	$ 0.09
Weighted Average Number of Shares Outstanding, Basic	594.0		587.5		592.8	586.4
Weighted Average Number of Common Shares Outstanding, Basic	593.7		587.1		592.5	586.0

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

[2] Diluted earnings per share includes any dilutive impact of stock options, restricted stock units, performance-based restricted stock units and performance awards.