Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		12 Months Ended
		Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2016	Dec. 31, 2012
Revenue, Net	[1]			$ 18,045	$ 19,540	$ 20,006
Out-of-Period Adjustment (non-material)		$ 16
Deferred Tax Liabilities, Undistributed Foreign Earnings			$ 44		44
Income tax expense				(23)	215	253
Income from Continuing Operations				570	1,151	1,159
Net Income				492	1,036	1,179
Net Income Attributable to Xerox				474	1,013	1,159
Net income from continuing operations				$ 552	$ 1,128	$ 1,139
Continuing Operations				$ 0.50	$ 0.96	$ 0.91
Total Basic Earnings per Share				0.42	0.86	0.93
Continuing Operations				0.49	0.94	0.89
Earnings Per Share, Diluted				$ 0.42	$ 0.85	$ 0.91
Other long-term liabilities			454	$ 417	$ 454
Total Liabilities			16,556	15,351	16,556
Retained earnings			9,535	9,686	9,535
Xerox shareholders' equity			10,678	9,074	10,678
Total Equity			10,753	9,117	10,753	$ 12,419		$ 11,664
Provisions for restructuring and asset impairments - continuing operations				186	128	115
Provisions for restructuring and asset impairments - discontinued operations				0	2	7
Provision for receivables				58	53	123
Provisions for litigation and regulatory matters				16	11	(34)
Provisions for obsolete and excess inventory				30	26	35
Provision for product warranty liability				22	25	28
Depreciation and obsolescence of equipment on operating leases				286	297	283
Depreciation of buildings and equipment	[2]			277	324	332
Amortization of internal use software	[2]			135	139	137
Amortization of product software				69	62	43
Amortization of acquired intangible assets	[2]			310	315	305
Amortization of customer contract costs	[2]			113	128	100
Defined pension benefits - net periodic benefit cost				142	82	267
Retiree health benefits - net periodic benefit cost				2	3	1
Income tax expense - discontinued operations	[3]			81	6	27
Customer-related deferred set-up transition and inducement costs				77	80	107
Deferred set-up costs, current			227	180	227
Sustaining engineering costs				$ 126	132	$ 122
Continuing Operations [Member]
Weighted average life, services revenue, deferred set-up costs				8 years
Scenario, Forecast [Member] | Continuing Operations [Member]
Amortization expense, customer contract costs							$ 76
Scenario, Previously Reported [Member]
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 from continuing operations			$ 305		$ 1,084
Continuing Operations			$ 0.26		$ 0.92
Total Basic Earnings per Share			0.13		0.82
Continuing Operations			0.26		0.90
Earnings Per Share, Diluted			$ 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
Scenario, Adjustment [Member]
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 from continuing operations			$ 349		$ 1,128
Continuing Operations			$ 0.30		$ 0.96
Total Basic Earnings per Share			0.17		0.86
Continuing Operations			0.30		0.94
Earnings Per Share, Diluted			$ 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)
Other Noncurrent Assets [Member] | Adjustments for New Accounting Principle, Early Adoption [Member]
Deferred Finance Costs, Net				$ 32
Long-term Debt [Member] | Adjustments for New Accounting Principle, Early Adoption [Member]
Deferred Finance Costs, Net				28
Line of Credit [Member] | Other Noncurrent Assets [Member] | Adjustments for New Accounting Principle, Early Adoption [Member]
Deferred Finance Costs, Net				$ 4

[1] Asset information on a segment basis is not disclosed as this information is not separately identified and internally reported to our Chief Operating Decision Maker (CODM).

[2] Excludes amounts related to our ITO business, which was reported as a discontinued operation through its date of sale on June 30, 2015. Refer to Note 4 - Divestitures for additional information regarding this sale.

[3] Refer to Note 4 - Divestitures for additional information regarding discontinued operations.