Condensed Consolidated Statements of Shareholder's Equity (USD $) In Millions, except Share data	Total USD ($)	Common Shares [Member]	Additional Paid-In Capital [Member] USD ($)	Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Retained Earnings [Member] USD ($)
Beginning Balance at Dec. 31, 2010	$ 687		$ 682
Beginning Balance, Shares at Dec. 31, 2010		5
Non-cash capital contributions from Boeing	1		1
Cash dividends to Boeing (including return of capital)	(228)		(160)		(68)
Net income	88				88
Ending Balance at Sep. 30, 2011	548		523		20
Ending Balance, Shares at Sep. 30, 2011		5
Beginning Balance at Dec. 31, 2011	537		523	1	8
Beginning Balance, Shares at Dec. 31, 2011		5
Non-cash capital contributions from Boeing	1		1
Cash dividends to Boeing (including return of capital)	(89)		(17)		(72)
Net income	64				64
Ending Balance at Sep. 30, 2012	$ 513		$ 507	$ 1
Ending Balance, Shares at Sep. 30, 2012		5