Finance Receivables Activity in Allowance for Commercial Loan Losses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Provision for Loan, Lease, and Other Losses	$ 113	$ 100	$ 248	$ 194
Commercial Finance Receivables
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing Receivable, Allowance for Credit Losses	49	11	51	6
Provision for Loan, Lease, and Other Losses	(9)	12	(11)	17
Financing Receivable, Allowance for Credit Losses, Recovery	0	0	0	1
Financing Receivable, Allowance for Credit Losses, Write-downs	0	1	0	0
Financing Receivable, Allowance for Credit Losses	40	24	40	24
North America Segment [Member] | Commercial Finance Receivables
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing Receivable, Allowance for Credit Losses	16	11	17	6
Provision for Loan, Lease, and Other Losses	1	1	0	6
Financing Receivable, Allowance for Credit Losses, Recovery	0	0	0	0
Financing Receivable, Allowance for Credit Losses, Write-downs	0	0	0	0
Financing Receivable, Allowance for Credit Losses	17	12	17	12
International Segment [Member] | Commercial Finance Receivables
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing Receivable, Allowance for Credit Losses	33	0	34	0
Provision for Loan, Lease, and Other Losses	(10)	11	(11)	11
Financing Receivable, Allowance for Credit Losses, Recovery	0	0	0	1
Financing Receivable, Allowance for Credit Losses, Write-downs	0	1	0	0
Financing Receivable, Allowance for Credit Losses	$ 23	$ 12	$ 23	$ 12