Earnings per Share - Computation of Basic and Diluted Earnings (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Basic Earnings per Share
Net Income Attributable to Xerox	$ 181	$ 112	$ 314	$ 135
Accrued dividends on preferred stock	(3)	(3)	(7)	(7)
Adjusted Net income available to common shareholders	$ 178	$ 109	$ 307	$ 128
Weighted average common shares outstanding (in shares)	223,606	254,895	226,040	254,791
Basic Earnings per Share (in dollars per share)	$ 0.79	$ 0.42	$ 1.36	$ 0.50
Diluted Earnings per Share
Net Income Attributable to Xerox	$ 181	$ 112	$ 314	$ 135
Accrued dividends on preferred stock	0	(3)	0	(7)
Adjusted Net income available to common shareholders	$ 181	$ 109	$ 314	$ 128
Weighted average common shares outstanding (in shares)	223,606	254,895	226,040	254,791
Common shares issuable with respect to:
Adjusted Weighted average common shares outstanding (in shares)	235,279	257,947	237,453	257,722
Diluted Earnings per Share (in dollars per share)	$ 0.77	$ 0.42	$ 1.32	$ 0.50
Stock options
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	65	0	34	0
Restricted stock and performance shares
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	4,866	3,052	4,637	2,931
Convertible preferred stock
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	6,742	0	6,742	0