Segment Information (Schedule of Intersegment Revenues, Eliminated In Unallocated Items and Eliminations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Intersegment Revenues	$ 24,468	$ 23,784	$ 22,045	$ 20,465	$ 23,785	$ 22,130	$ 21,815	$ 18,893	$ 90,762	$ 86,623	$ 81,698
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues									1,841	908	1,264
Commercial Airplanes [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues									1,822	879	1,215
Boeing Capital Corporation [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues									$ 19	$ 29	$ 49