Segment Information (Schedule Of Assets By Segment) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Assets	$ 79,986	$ 68,565
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	35,458	28,341
Boeing Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Assets	17,990	17,872
Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Assets	4,638	5,561
Other Segment [Member]
Segment Reporting Information [Line Items]
Assets	1,100	779
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	20,800	16,012
Boeing Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Assets	7,390	6,725
Boeing Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Assets	7,028	7,456
Boeing Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Assets	$ 3,572	$ 3,691