Finance Receivables, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								6 Months Ended
	Jun. 30, 2013		Mar. 31, 2013		Jun. 30, 2012		Mar. 31, 2012		Jun. 30, 2013		Jun. 30, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Collections on beneficial interest	$ 25				$ 0				$ 27		$ 0
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	160		170		203		201		170		201
Provision	21		13		17		15
Charge-offs	(20)		(21)		(24)		(19)
Recoveries and other	1	[1]	(2)	[1]	(6)	[1]	6	[1]
Ending Balance	162		160		190		203		162		190
Financing Receivable, Collectively Evaluated for Impairment	5,224	[2]			6,102	[2]			5,224	[2]	6,102	[2]
Residual values not included in the impairment evaluation	1				4				1		4
Allowance for credit losses not included in the impairment evaluation	162				190				162		190
United States
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	51		50		74		75		50		75
Provision	6		2		3		2
Charge-offs	(2)		(2)		(5)		(4)
Recoveries and other	(1)	[1]	1	[1]	1	[1]	1	[1]
Ending Balance	54		51		73		74		54		73
Financing Receivable, Collectively Evaluated for Impairment	2,010	[2]			2,739	[2]			2,010	[2]	2,739	[2]
Canada
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	29		31		33		33		31		33
Provision	3		2		2		1
Charge-offs	(3)		(4)		(4)		(3)
Recoveries and other	0	[1]	0	[1]	0	[1]	2	[1]
Ending Balance	29		29		31		33		29		31
Financing Receivable, Collectively Evaluated for Impairment	713	[2]			791	[2]			713	[2]	791	[2]
Europe
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	76		85		93		91		85		91
Provision	10		9		11		12
Charge-offs	(14)		(15)		(15)		(12)
Recoveries and other	2	[1]	(3)	[1]	(6)	[1]	2	[1]
Ending Balance	74		76		83		93		74		83
Financing Receivable, Collectively Evaluated for Impairment	2,271	[2]			2,423	[2]			2,271	[2]	2,423	[2]
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	4	[3]	4	[3]	3	[3]	2	[3]	4	[3]	2	[3]
Provision	2	[3]	0	[3]	1	[3]	0	[3]
Charge-offs	(1)	[3]	0	[3]	0	[3]	0	[3]
Recoveries and other	0	[1],[3]	0	[1],[3]	(1)	[1],[3]	1	[1],[3]
Ending Balance	5	[3]	4	[3]	3	[3]	3	[3]	5	[3]	3	[3]
Financing Receivable, Collectively Evaluated for Impairment	230	[2],[3]			149	[2],[3]			230	[2],[3]	149	[2],[3]
Document Technology Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Finance Receivables Net Carrying Value											682
Proceeds from Sale of Finance Receivables											630
Finance Receivables Beneficial Interest from Purchaser											101
Finance Receivables Sold and Derecognized	510								510
Finance receivables sold and derecognized sales value	555								555
Beneficial interest from sale of finance receivables	84								84
Beneficial Interest, Interest in Other Current Assets	39								39
Beneficial Interest, Interest in Other Long-term Assets	45								45
Finance Receivable Beneficial Interest Weighted Average Life									2
Collections on beneficial interest	$ 25								$ 27

[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 $1 and $4, and the allowance for credit losses of $162 and $190 at June 30, 2013 and 2012, respectively.

[3] Incl