Finance Receivables, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2014		Mar. 31, 2014		Jun. 30, 2013		Mar. 31, 2013
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	$ 158		$ 154		$ 160		$ 170
Provision	15		15		21		13
Charge-offs	(11)		(12)		(20)		(21)
Recoveries and other	2	[1]	1	[1]	1	[1]	(2)	[1]
Ending Balance	164		158		162		160
Financing Receivable, Collectively Evaluated for Impairment	4,614	[2]			5,224	[2]
Residual values not included in the impairment evaluation	0				1
Allowance for credit losses not included in the impairment evaluation	164				162
United States
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	48		45		51		50
Provision	1		3		6		2
Charge-offs	0		(1)		(2)		(2)
Recoveries and other	0	[1]	1	[1]	(1)	[1]	1	[1]
Ending Balance	49		48		54		51
Financing Receivable, Collectively Evaluated for Impairment	1,684	[2]			2,010	[2]
Canada
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	20		22		29		31
Provision	2		2		3		2
Charge-offs	(4)		(4)		(3)		(4)
Recoveries and other	2	[1]	0	[1]	0	[1]	0	[1]
Ending Balance	20		20		29		29
Financing Receivable, Collectively Evaluated for Impairment	421	[2]			713	[2]
Europe
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	83		81		76		85
Provision	11		7		10		9
Charge-offs	(8)		(5)		(14)		(15)
Recoveries and other	0	[1]	0	[1]	2	[1]	(3)	[1]
Ending Balance	86		83		74		76
Financing Receivable, Collectively Evaluated for Impairment	2,170	[2]			2,271	[2]
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	7	[3]	6	[3]	4	[3]	4	[3]
Provision	1	[3]	3	[3]	2	[3]	0	[3]
Charge-offs	1	[3]	(2)	[3]	(1)	[3]	0	[3]
Recoveries and other	0	[1],[3]	0	[1],[3]	0	[1],[3]	0	[1],[3]
Ending Balance	9	[3]	7	[3]	5	[3]	4	[3]
Financing Receivable, Collectively Evaluated for Impairment	$ 339	[2],[3]			$ 230	[2],[3]

[1] Includes the impacts of foreign currency translation and adjustments to reserves necessary to reflect events of non-payment such as customer accommodations and contract terminations.

[2] Total Finance receivables exclude residual values of $0 and $1, and the allowance for credit losses of $164 and $162 at June 30, 2014 and 2013, respectively.

[3] Includes developing market countries and smaller units.