Finance Receivables Finance Receivables, net (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross		$ 560,000,000
Financing Receivable, Individually Evaluated for Impairment		0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment		0
Finance receivables, net	29,282,000,000	10,998,000,000
North America Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables, net	12,878,000,000	10,998,000,000
International Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables, net	16,404,000,000
Consumer Finance Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	23,130,000,000
Financing Receivable, Collectively Evaluated for Impairment	21,189,000,000
Financing Receivable, Individually Evaluated for Impairment	767,000,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	(394,000,000)
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	(103,000,000)
Notes, Loans and Financing Receivable, Net	22,633,000,000
Consumer Finance Receivables | North America Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	11,388,000,000	10,789,000,000
Financing Receivable, Collectively Evaluated for Impairment	9,795,000,000	8,603,000,000
Financing Receivable, Individually Evaluated for Impairment	767,000,000	228,000,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	(365,000,000)	(313,000,000)
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	(103,000,000)	(32,000,000)
Notes, Loans and Financing Receivable, Net	10,920,000,000	10,444,000,000
Loans and Leases Receivable, Gross, Consumer, Lease Financing	1,000,000,000
Consumer Finance Receivables | International Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	11,742,000,000
Financing Receivable, Collectively Evaluated for Impairment	11,394,000,000
Financing Receivable, Individually Evaluated for Impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	(29,000,000)
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0
Notes, Loans and Financing Receivable, Net	11,713,000,000
Commercial Finance Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	6,700,000,000	560,000,000
Financing Receivable, Collectively Evaluated for Impairment	6,602,000,000
Financing Receivable, Individually Evaluated for Impairment	98,000,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	(44,000,000)
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	(7,000,000)
Notes, Loans and Financing Receivable, Net	6,649,000,000
Commercial Finance Receivables | North America Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	1,975,000,000	560,000,000	0
Financing Receivable, Collectively Evaluated for Impairment	1,975,000,000	560,000,000
Financing Receivable, Individually Evaluated for Impairment	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	(17,000,000)	(6,000,000)
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0
Notes, Loans and Financing Receivable, Net	1,958,000,000	554,000,000
Commercial Finance Receivables | International Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	4,725,000,000	0
Financing Receivable, Collectively Evaluated for Impairment	4,627,000,000
Financing Receivable, Individually Evaluated for Impairment	98,000,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	(27,000,000)
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	(7,000,000)
Notes, Loans and Financing Receivable, Net	4,691,000,000
Pre-Acquisition Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Carrying Amount	348,000,000
Pre-Acquisition Portfolio | Consumer Finance Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	1,294,000,000
Notes Receivable Carrying Amount	1,174,000,000
Pre-Acquisition Portfolio | Consumer Finance Receivables | North America Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	931,000,000	2,162,000,000
Notes Receivable Carrying Amount	826,000,000	1,958,000,000
Pre-Acquisition Portfolio | Consumer Finance Receivables | International Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Gross	$ 363,000,000