Goodwill And Acquired Intangibles (Schedule Of Goodwill By Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 8,081	$ 8,060
Goodwill adjustments	(13)	21
Goodwill, Ending Balance	8,068	8,081
Operating Segments [Member] | Commercial Airplanes
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,316	1,313
Goodwill adjustments		3
Goodwill, Ending Balance	1,316	1,316
Operating Segments [Member] | Defense, Space & Security
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3,224	3,219
Goodwill adjustments		5
Goodwill, Ending Balance	3,224	3,224
Operating Segments [Member] | Global Services
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3,454	3,441
Goodwill adjustments	(11)	13
Goodwill, Ending Balance	3,443	3,454
Operating Segments [Member] | Corporate Reconciling Items And Eliminations [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	87	87
Goodwill adjustments	(2)
Goodwill, Ending Balance	$ 85	$ 87