Summary Of Business Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Summary Of Business Segment Data [Line Items]
Revenues	$ 20,005	$ 16,543	$ 39,388	$ 31,453
Earnings from operations	1,548	1,534	3,118	2,534
Other income, net	10	14	22	27
Interest and debt expense	(112)	(123)	(231)	(253)
Earnings before income taxes	1,446	1,425	2,909	2,308
Income tax expense	(479)	(483)	(1,018)	(778)
Net earnings from continuing operations	967	942	1,891	1,530
Net loss on disposal of discontinued operations, net of taxes of $0, $0, $1 and $1		(1)	(1)	(3)
Net earnings	967	941	1,890	1,527
Research and development expense, net	857	1,047	1,692	2,104
Commercial Airplanes [Member]
Summary Of Business Segment Data [Line Items]
Revenues	11,843	8,843	22,780	15,961
Earnings from operations	1,211	920	2,292	1,429
Research and development expense, net	560	771	1,104	1,558
Defense, Space & Security [Member]
Summary Of Business Segment Data [Line Items]
Revenues	8,192	7,688	16,425	15,305
Earnings from operations	748	798	1,490	1,469
Research and development expense, net	281	262	562	523
Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Summary Of Business Segment Data [Line Items]
Revenues	4,130	3,642	8,438	7,034
Earnings from operations	363	386	800	755
Research and development expense, net	144	125	289	250
Defense, Space & Security [Member] | Network & Space Systems [Member]
Summary Of Business Segment Data [Line Items]
Revenues	1,887	2,078	3,682	4,424
Earnings from operations	126	192	199	333
Research and development expense, net	112	110	219	217
Defense, Space & Security [Member] | Global Services & Support [Member]
Summary Of Business Segment Data [Line Items]
Revenues	2,175	1,968	4,305	3,847
Earnings from operations	259	220	491	381
Research and development expense, net	25	27	54	56
Boeing Capital [Member]
Summary Of Business Segment Data [Line Items]
Revenues	99	147	224	290
Earnings from operations	31	62	69	114
Other Segment [Member]
Summary Of Business Segment Data [Line Items]
Revenues	42	38	66	74
Earnings from operations	(50)	(58)	(129)	(80)
Unallocated Items And Eliminations [Member]
Summary Of Business Segment Data [Line Items]
Revenues	(171)	(173)	(107)	(177)
Earnings from operations	(392)	(188)	(604)	(398)
Other Segment and Unallocated [Member]
Summary Of Business Segment Data [Line Items]
Research and development expense, net	$ 16	$ 14	$ 26	$ 23