Segment Reporting, Reconciliation Of Operating Profit Loss (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Reconciliation of Operating Profit (Loss) from Segments to Consolidated Pre-tax Income (Loss) [Line Items]
Segment Profit	$ 495	$ 454	$ 1,510	$ 1,285
Reconciling items:
Restructuring and asset impairment charges	4	(4)	28	(210)
Restructuring charges of Fuji Xerox	(1)	(6)	(16)	(33)
Acquisition-related costs	0	(5)	0	(68)
Amortization of intangible assets	(87)	(85)	(259)	(227)
Venezuelan devaluation costs	0	0	0	(21)
ACS shareholders litigation settlement	0	0	0	(36)
Loss on early extinguishment of liability	0	0	(33)	0
Equity in net income of unconsolidated affiliates	(43)	(26)	(111)	(52)
Other	(1)	0	(1)	0
Pre-tax income	$ 367	$ 328	$ 1,118	$ 638