Finance Receivables Activity in Allowance for Commercial Loan Losses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Provision for Loan, Lease, and Other Losses	$ 160	$ 117	$ 408	$ 311
Commercial Finance Receivables
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing Receivable, Allowance for Credit Losses	40	24	51	6
Provision for Loan, Lease, and Other Losses	(2)	1	(13)	18
Financing Receivable, Allowance for Credit Losses, Recovery	0	4	0	5
Financing Receivable, Allowance for Credit Losses, Write-downs	0	0	0	0
Financing Receivable, Allowance for Credit Losses	37	29	37	29
Financing Receivable Allowance for Credit Losses Foreign Currency Translation	(1)		(1)
North America Segment [Member] | Commercial Finance Receivables
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing Receivable, Allowance for Credit Losses	17	12	17	6
Provision for Loan, Lease, and Other Losses	0	1	0	7
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	13	17	13
International Segment [Member] | Commercial Finance Receivables
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing Receivable, Allowance for Credit Losses	23	12	34	0
Provision for Loan, Lease, and Other Losses	(2)	0	(13)	11
Financing Receivable, Allowance for Credit Losses, Recovery	0	4	0	5
Financing Receivable, Allowance for Credit Losses, Write-downs	0	0	0	0
Financing Receivable, Allowance for Credit Losses	20	16	20	16
Financing Receivable Allowance for Credit Losses Foreign Currency Translation	$ (1)		$ (1)