Consolidated Statements Of Operations (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
REVENUE
Finance lease income	$ 125	$ 139	$ 144
Interest income on notes receivable	35	76	75
Operating lease income	336	384	404
Investment income		5	1
Net gain (loss) on disposal of assets	16	(2)
Other income	20	37	36
Total revenues	532	639	660
EXPENSES
Interest expense	128	160	175
Depreciation expense	150	200	207
Provision for (recovery of) losses	(23)	16	23
Operating expenses	49	48	45
Asset impairment expense	100	51	75
Other expense	5	12	9
Total expenses	409	487	534
Income from continuing operations before provision for income tax	123	152	126
Provision for income tax	45	56	46
Income from continuing operations	78	96	80
Net gain (loss) on disposal of discontinued operations, net of tax	5	(4)	(23)
Net income	$ 83	$ 92	$ 57