Segments Operations Reporting by Revenue (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting Information [Line Items]
Revenues	$ 867	$ 514	$ 2,243	$ 1,432
Operating Expenses	336		816
Provision for Loan, Lease, and Other Losses	117		311
Interest Expense	168	75	414	202
Business Combination, Acquisition Related Costs	7		29
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	239	200	673	598
North America [Member]
Segment Reporting Information [Line Items]
Revenues	622		1,750
Operating Expenses	246		637
Provision for Loan, Lease, and Other Losses	108		283
Interest Expense	93		266
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	175		564
International [Member]
Segment Reporting Information [Line Items]
Revenues	245		493
Operating Expenses	90		179
Provision for Loan, Lease, and Other Losses	9		28
Interest Expense	76		157
Business Combination, Acquisition Related Costs	7		29
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	63		100
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenues	13		28
Interest Expense	12		19
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	1		9
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(13)		(28)
Interest Expense	$ (13)		$ (28)