Summary Of Business Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summary Of Business Segment Data [Line Items]
Revenues	$ 19,555	$ 17,727	$ 16,543	$ 14,910	$ 16,550	$ 16,967	$ 15,573	$ 15,216	$ 68,735	$ 64,306	$ 68,281
Earnings/(loss) from operations	1,597	1,714	1,534	1,000	1,103	1,387	1,307	1,174	5,844	4,971	2,096
Other income/(expense), net									47	52	(26)
Interest and debt expense									(498)	(516)	(339)
Earnings before income taxes									5,393	4,507	1,731
Income tax expense	(397)				(371)				(1,382)	(1,196)	(396)
Net earnings from continuing operations	1,387	1,094	942	588	1,166	837	789	519	4,011	3,311	1,335
Net gain/(loss) on disposal of discontinued operations, net of taxes of ($4), $2 and $13	6	4	(1)	(2)	(2)		(2)		7	(4)	(23)
Net earnings	1,393	1,098	941	586	1,164	837	787	519	4,018	3,307	1,312
Commercial Airplanes [Member]
Summary Of Business Segment Data [Line Items]
Revenues									36,171	31,834	34,051
Earnings/(loss) from operations									3,495	3,006	(583)
Boeing Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Summary Of Business Segment Data [Line Items]
Revenues									14,947	14,238	14,304
Earnings/(loss) from operations									1,526	1,250	1,527
Boeing Defense, Space & Security [Member] | Network & Space Systems [Member]
Summary Of Business Segment Data [Line Items]
Revenues									8,673	9,455	10,877
Earnings/(loss) from operations									690	711	839
Boeing Defense, Space & Security [Member] | Global Services & Support [Member]
Summary Of Business Segment Data [Line Items]
Revenues									8,356	8,250	8,480
Earnings/(loss) from operations									942	914	932
Boeing Defense, Space & Security [Member]
Summary Of Business Segment Data [Line Items]
Revenues									31,976	31,943	33,661
Earnings/(loss) from operations									3,158	2,875	3,298
Boeing Capital Corporation [Member]
Summary Of Business Segment Data [Line Items]
Revenues									532	639	660
Earnings/(loss) from operations									125	152	126
Other Segment [Member]
Summary Of Business Segment Data [Line Items]
Revenues									138	138	165
Earnings/(loss) from operations									54	(327)	(151)
Unallocated Items And Eliminations [Member]
Summary Of Business Segment Data [Line Items]
Revenues									(82)	(248)	(256)
Earnings/(loss) from operations									$ (988)	$ (735)	$ (594)