Summary Of Business Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 18,893	$ 19,383
Earnings from operations	1,528	1,565
Other income, net	9	12
Interest and debt expense	(99)	(114)
Earnings before income taxes	1,438	1,463
Income tax expense	(332)	(539)
Net earnings from continuing operations	1,106	924
Net loss on disposal of discontinued operations, net of taxes of $0 and $1		(1)
Net earnings	1,106	923
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues	10,690	10,937
Earnings from operations	1,219	1,081
Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues	8,110	8,233
Earnings from operations	832	742
Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues	4,109	4,222
Earnings from operations	430	399
Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues	1,960	1,872
Earnings from operations	156	109
Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues	2,041	2,139
Earnings from operations	246	234
Boeing Capital [Member]
Segment Reporting Information [Line Items]
Revenues	105	125
Earnings from operations	44	33
Other Segment [Member]
Segment Reporting Information [Line Items]
Revenues	27	24
Earnings from operations	(58)	(79)
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(39)	64
Earnings from operations	$ (509)	$ (212)