Earnings per Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Basic Earnings (Loss) per Share:
Net Income from Continuing Operations Attributable to Xerox	$ 23	$ 46
Net loss from discontinued operations attributable to Xerox	$ 0	$ (6)
Continuing operations (dollars per share)	$ 0.08	$ 0.17
Discontinued operations (dollars per share)	0.00	(0.03)
Total Basic Earnings per Share	$ 0.08	$ 0.14
Diluted Earnings (Loss) per Share:
Net Income from Continuing Operations Attributable to Xerox	$ 23	$ 46
Net loss from discontinued operations attributable to Xerox	$ 0	$ (6)
Common shares issuable with respect to:
Continuing operations (dollars per share)	$ 0.08	$ 0.16
Discontinued operations (dollars per share)	0.00	(0.02)
Total Diluted Earnings per Share	$ 0.08	$ 0.14
Earnings (loss) per share, basic [Member]
Basic Earnings (Loss) per Share:
Net Income from Continuing Operations Attributable to Xerox	$ 23	$ 46
Accrued dividends on preferred stock	(4)	(4)
Adjusted Net income from continuing operations available to common shareholders	19	42
Net loss from discontinued operations attributable to Xerox	0	(6)
Adjusted Net income available to common shareholders	$ 19	$ 36
Weighted average common shares outstanding (in shares)	254,660	254,038
Continuing operations (dollars per share)	$ 0.08	$ 0.17
Discontinued operations (dollars per share)	0.00	(0.03)
Total Basic Earnings per Share	$ 0.08	$ 0.14
Diluted Earnings (Loss) per Share:
Net Income from Continuing Operations Attributable to Xerox	$ 23	$ 46
Net loss from discontinued operations attributable to Xerox	$ 0	$ (6)
Weighted average common shares outstanding (in shares)	254,660	254,038
Earnings (loss) per share, diluted [Member]
Basic Earnings (Loss) per Share:
Net Income from Continuing Operations Attributable to Xerox	$ 23	$ 46
Accrued dividends on preferred stock	(4)	(4)
Net loss from discontinued operations attributable to Xerox	$ 0	$ (6)
Weighted average common shares outstanding (in shares)	254,660	254,038
Diluted Earnings (Loss) per Share:
Net Income from Continuing Operations Attributable to Xerox	$ 23	$ 46
Adjusted Net income from continuing operations available to common shareholders	19	42
Net loss from discontinued operations attributable to Xerox	0	(6)
Adjusted Net income available to common shareholders	$ 19	$ 36
Weighted average common shares outstanding (in shares)	254,660	254,038
Common shares issuable with respect to:
Adjusted Weighted Average Common Shares Outstanding - Diluted (in shares)	257,470	256,142
Continuing operations (dollars per share)	$ 0.08	$ 0.16
Discontinued operations (dollars per share)	0.00	(0.02)
Total Diluted Earnings per Share	$ 0.08	$ 0.14
Earnings (loss) per share, diluted [Member] | Restricted Stock and Performance Shares [Member]
Common shares issuable with respect to:
Restricted stock and performance shares (in shares)	2,810	2,104