Summary Of Business Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenues	$ 22,302	$ 20,008	$ 20,005	$ 19,383	$ 19,555	$ 17,727	$ 16,543	$ 14,910	$ 81,698	$ 68,735	$ 64,306
Earnings from operations	1,629	1,564	1,548	1,570	1,597	1,714	1,534	1,000	6,311	5,844	4,971
Other income, net									62	47	52
Interest and debt expense									(463)	(498)	(516)
Earnings before income taxes									5,910	5,393	4,507
Income tax expense									(2,007)	(1,382)	(1,196)
Net earnings from continuing operations	978	1,034	967	924	1,387	1,094	942	588	3,903	4,011	3,311
Net (loss)/gain on disposal of discontinued operations, net of taxes of $2, ($4), $2		(2)		(1)	6	4	(1)	(2)	(3)	7	(4)
Net earnings	978	1,032	967	923	1,393	1,098	941	586	3,900	4,018	3,307
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues									49,127	36,171	31,834
Earnings from operations									4,711	3,495	3,006
Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues									32,607	31,976	31,943
Earnings from operations									3,068	3,158	2,875
Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues									16,384	14,947	14,238
Earnings from operations									1,581	1,526	1,250
Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues									7,584	8,654	9,449
Earnings from operations									478	679	705
Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues									8,639	8,375	8,256
Earnings from operations									1,009	953	920
Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Revenues									441	520	639
Earnings from operations									82	113	152
Other Segment [Member]
Segment Reporting Information [Line Items]
Revenues									133	150	138
Earnings from operations									(159)	66	(327)
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues									(610)	(82)	(248)
Earnings from operations									$ (1,391)	$ (988)	$ (735)