Earnings (Loss) per Share - Reconciliation (Details) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
	Jun. 14, 2017	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares		Dec. 31, 2015 USD ($) $ / shares shares
Schedule of Basic And Diluted Earnings [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.25
Basic Earnings (Loss) per Share:
Net income from continuing operations attributable to Xerox		$ 192	$ 622		$ 822
Accrued dividends on preferred stock		(14)	(24)		(24)
Adjusted Net income from continuing operations available to common shareholders		178	598		798
Net income (loss) from discontinued operations attributable to Xerox		3	(1,093)		(374)
Adjusted Net income (loss) available to common shareholders		$ 181	$ (495)		$ 424
Weighted-average common shares outstanding | shares		254,341	253,391		266,131
Continuing Operations (in dollars per share) | $ / shares		$ 0.70	$ 2.36	[1]	$ 3.00	[1]
Discontinued operations (in dollars per share) | $ / shares		0.01	(4.31)	[1]	(1.41)	[1]
Basic Earnings (Loss) per Share | $ / shares		$ 0.71	$ (1.95)	[1]	$ 1.59	[1]
Diluted Earnings (Loss) per Share:
Net income from continuing operations		$ 192	$ 622		$ 822
Accrued dividends on preferred stock		(14)	(24)		(24)
Adjusted net income from continuing operations available to common shareholders		178	598		798
Net income (loss) from discontinued operations attributable to Xerox		3	(1,093)		(374)
Adjusted Net income (loss) available to common shareholders		$ 181	$ (495)		$ 424
Weighted-average common shares outstanding | shares		254,341	253,391		266,131
Common shares issuable with respect to:
Adjusted Weighted average common shares outstanding | shares		256,570	255,995		269,056
Continuing Operations (in dollars per share) | $ / shares		$ 0.70	$ 2.33	[1]	$ 2.97	[1]
Discontinued operations (in dollars per share) | $ / shares		0.01	(4.26)	[1]	(1.39)	[1]
Total Diluted Earnings (Loss) per Share | $ / shares		$ 0.71	$ (1.93)	[1]	$ 1.58	[1]
Stock options
Common shares issuable with respect to:
Stock options, Restricted stock and performance shares | shares		0	174		324
Restricted stock and performance shares
Common shares issuable with respect to:
Stock options, Restricted stock and performance shares | shares		2,229	2,430		2,601
Earnings (loss) per share, diluted [Member]
Basic Earnings (Loss) per Share:
Accrued dividends on preferred stock		$ (14)	$ (24)		$ (24)
Diluted Earnings (Loss) per Share:
Accrued dividends on preferred stock		$ (14)	$ (24)		$ (24)
Reverse Stock Split [Member] | Common Stock [Member]
Schedule of Basic And Diluted Earnings [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.25

[1] Reflects our one-for-four reverse stock split that became effective on June 14, 2017. Refer to Note 1 - Basis of Presentation and Summary of Significant Accounting Policies for further information.