Summary of Significant Accounting Policies - Impact on Line Items of Consolidated Statements (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements of Shareholder's Equity:
Net income	$ (16)	$ 21	$ 19	$ 24	$ (12)	$ 18	$ 39	$ 31	$ 48	$ 76	$ 92
Shareholder's equity	497				537				497	537	687	699
Consolidated Balance Sheets:
Finance leases	1,573				1,727				1,573	1,727
Total receivables, gross of allowance	2,346				2,348				2,346	2,348
Total receivables, net of allowance	2,300				2,295				2,300	2,295
Total assets	4,422				5,566				4,422	5,566
Accounts with Boeing	80				76				80	76
Deferred income taxes	1,104				1,232				1,104	1,232
Total liabilities	3,925				5,029				3,925	5,029
Retained earnings (deficit)	(16)				8				(16)	8
Shareholder's equity	497				537				497	537	687	699
Total liabilities and shareholder's equity	4,422				5,566				4,422	5,566
Consolidated Statements of Comprehensive Income:
Finance lease income									89	113	139
Total revenue	111	101	99	125	104	126	147	143	436	520	639
Income from continuing operations before provision for income tax									77	111	152
Provision for income tax									28	40	56
Income from continuing operations	(16)	22	19	24	(13)	11	40	33	49	71	96
Net income	(16)	21	19	24	(12)	18	39	31	48	76	92
Comprehensive income									48	77	94
OPERATING ACTIVITIES
Net income	(16)	21	19	24	(12)	18	39	31	48	76	92
Non-cash items:
Asset impairment expense and other charges									73	117	85
Decrease in deferred income taxes									(128)	(139)	(83)
Changes in assets and liabilities:
Accounts with Boeing									4	8	(17)
Scenario, Previously Reported [Member]
Consolidated Statements of Shareholder's Equity:
Net income										83
Retained earnings										15
Shareholder's equity					544					544
Consolidated Balance Sheets:
Finance leases	1,739				1,739				1,739	1,739
Total receivables, gross of allowance					2,360					2,360
Total receivables, net of allowance					2,307					2,307
Total assets					5,578					5,578
Accounts with Boeing					77					77
Deferred income taxes					1,236					1,236
Total liabilities					5,034					5,034
Retained earnings (deficit)					15					15
Shareholder's equity					544					544
Total liabilities and shareholder's equity					5,578					5,578
Consolidated Statements of Comprehensive Income:
Finance lease income										125
Total revenue										532
Income from continuing operations before provision for income tax										123
Provision for income tax										45
Income from continuing operations										78
Net income										83
Comprehensive income										84
OPERATING ACTIVITIES
Net income										83
Non-cash items:
Asset impairment expense and other charges										105
Decrease in deferred income taxes										(135)
Changes in assets and liabilities:
Accounts with Boeing										9
Restatement Adjustment [Member]
Consolidated Statements of Shareholder's Equity:
Net income										76
Retained earnings										8
Shareholder's equity					537					537
Consolidated Balance Sheets:
Finance leases	1,727				1,727				1,727	1,727
Total receivables, gross of allowance					2,348					2,348
Total receivables, net of allowance					2,295					2,295
Total assets					5,566					5,566
Accounts with Boeing					76					76
Deferred income taxes					1,232					1,232
Total liabilities					5,029					5,029
Retained earnings (deficit)					8					8
Shareholder's equity					537					537
Total liabilities and shareholder's equity					5,566					5,566
Consolidated Statements of Comprehensive Income:
Finance lease income										113
Total revenue										520
Income from continuing operations before provision for income tax										111
Provision for income tax										40
Income from continuing operations										71
Net income										76
Comprehensive income										77
OPERATING ACTIVITIES
Net income										76
Non-cash items:
Asset impairment expense and other charges										117
Decrease in deferred income taxes										(139)
Changes in assets and liabilities:
Accounts with Boeing										$ 8