Loans and Interest Receivable, Net (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 Credit_score	Mar. 31, 2013	Dec. 31, 2013 Credit_score
Financing Receivable, Allowance for Credit Losses [Line Items]
Purchased consumer receivables	$ 1,100,000,000	$ 849,000,000
Consumer loans receivable	2,900,000,000
Participation interest sold	89,000,000
Consumer Receivables, Participation Interest Sold, Percentage	3.10%
Weighted average consumer FICO score	685		688
Percentage of loans and interest receivable, prime	53.30%		54.70%
Consumer FICO credit score, at prime	680		680
Percentage of loans and interest receivable, subprime	10.50%	9.10%
Consumer FICO credit score, high risk	599
Percentage of loans and interest receivable, current	91.00%		90.00%
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	146,000,000	101,000,000
Charge-offs	(70,000,000)	(51,000,000)
Recoveries	7,000,000	3,000,000
Provision	66,000,000	56,000,000
Balance at end of period	149,000,000	109,000,000
Merchant Receivable
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Other Receivables	$ 39,000,000