Condensed Consolidated Statements Of Shareholder's Equity (USD $) In Millions	Common Shares [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2010	$ 5	$ 682			$ 687
Cash dividends to Boeing (including return of capital)		(160)		(31)	(191)
Net income				31	31
Balance at Mar. 31, 2011	5	522			527
Balance at Dec. 31, 2011	5	523	1	8	537
Cash dividends to Boeing (including return of capital)		(13)		(32)	(45)
Net income				24	24
Balance at Mar. 31, 2012	$ 5	$ 510	$ 1		$ 516