Segment Information (Schedule Of Intersegment Revenues, Eliminated In Unallocated Items And Eliminations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Intersegment revenues	$ 767	$ 696	$ 820
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Intersegment revenues	701	604	740
Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Intersegment revenues	$ 66	$ 92	$ 80

Amount of revenue from transactions with other operating segments of the same entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration