Investment in Affiliates, at Equity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Affiliates	$ 34		$ 28		$ 68		$ 26
Fuji Xerox [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Affiliates	31		23		62		18
Ownership percentage (in hundredths)	25.00%				25.00%
After-tax restructuring charges included in equity income					15		27
Summary of Operations:
Revenues	2,852		2,609		5,944		5,466
Cost and expenses	2,645		2,416		5,542		5,239
Income (loss) before income taxes	207		193		402		227
Income tax expense	64		78		124		107
Net Income	143		115		278		120
Less: Net income - noncontrolling interests	1		2		2		2
Net Income - Fuji Xerox	142		113		276		118
Weighted Average Rate used to translate the Summary of Operations	81.59	[1]	92.08	[1]	81.87	[1]	91.34	[1]
Other Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Affiliates	$ 3		$ 5		$ 6		$ 8

[1] (1) Represents Yen/U.S. Dollar exchange rate used to translate.