Basis of Presentation, Deferred Tax Liability on Undistributed Earnings - Fuji Xerox (Details) $ / shares in Units, $ in Millions	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares		Sep. 30, 2014 USD ($) $ / shares	Sep. 30, 2015 USD ($) $ / shares	Sep. 30, 2014 USD ($) business $ / shares	Dec. 31, 2014 USD ($) $ / shares		Dec. 31, 2013 USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Out-of-Period Adjustment (non-material)	$ 16
Income tax expense	(105)			$ 66	$ (75)	$ 181
Income from Continuing Operations	(28)			264	280	796
Net Income	(31)			272	216	830
Net Income Attributable to Xerox	(34)			266	203	813
Net Income Attributable to Xerox - continuing operations	$ (31)			$ 258	$ 267	$ 779
Continuing Operations (dollars per share) | $ / shares	$ (0.04)			$ 0.22	$ 0.23	$ 0.65
Total Basic (Loss) Earnings per Share | $ / shares	(0.04)			0.23	0.17	0.68
Continuing operations (dollars per share) | $ / shares	(0.04)			0.21	0.23	0.64
Total Diluted (Loss) Earnings per Share | $ / shares	$ (0.04)			$ 0.22	$ 0.17	$ 0.67
Other long-term liabilities	$ 403	$ 454	[1]		$ 403		$ 454	[1]
Total Liabilities	15,440	16,556	[1]		15,440		16,556	[1]
Retained earnings	9,493	9,535	[1]		9,493		9,535	[1]
Xerox shareholders' equity	9,113	10,678	[1]		9,113		10,678	[1]
Total Equity	9,157	10,753	[1]	$ 11,908	9,157	$ 11,908	10,753	[1]	$ 12,419
Deferred Tax Liabilities, Undistributed Foreign Earnings		44					44
Net change in income tax assets and liabilities	$ (142)			$ 56	$ (93)	$ 128
Scenario, Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income tax expense		34					215
Income from Continuing Operations		355					1,151
Net Income		206					1,036
Net Income Attributable to Xerox		200					1,013
Net Income Attributable to Xerox - continuing operations		$ 349					$ 1,128
Continuing Operations (dollars per share) | $ / shares		$ 0.30					$ 0.96
Total Basic (Loss) Earnings per Share | $ / shares		0.17					0.86
Continuing operations (dollars per share) | $ / shares		0.30					0.94
Total Diluted (Loss) Earnings per Share | $ / shares		$ 0.17					$ 0.85
Other long-term liabilities		$ 454					$ 454
Total Liabilities		16,556					16,556
Retained earnings		9,535					9,535
Xerox shareholders' equity		10,678					10,678
Total Equity		10,753					10,753
Net change in income tax assets and liabilities							(15)
Scenario, Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income tax expense		78					259
Income from Continuing Operations		311					1,107
Net Income		162					992
Net Income Attributable to Xerox		156					969
Net Income Attributable to Xerox - continuing operations		$ 305					$ 1,084
Continuing Operations (dollars per share) | $ / shares		$ 0.26					$ 0.92
Total Basic (Loss) Earnings per Share | $ / shares		0.13					0.82
Continuing operations (dollars per share) | $ / shares		0.26					0.90
Total Diluted (Loss) Earnings per Share | $ / shares		$ 0.13					$ 0.81
Other long-term liabilities		$ 498					$ 498
Total Liabilities		16,600					16,600
Retained earnings		9,491					9,491
Xerox shareholders' equity		10,634					10,634
Total Equity		$ 10,709					10,709
Net change in income tax assets and liabilities							$ 29
Services Segment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of Businesses Disposed by the entity during the period | business						2

[1] Certain prior year amounts have been revised - Refer to Note 1 - Basis of Presentation for additional information.