Earnings per Share - Computation of Basic and Diluted Earnings (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Basic Earnings per Share
Net Income Attributable to Xerox Holdings	$ 221	$ 89	$ 535	$ 224
Accrued dividends on preferred stock	(4)	(4)	(11)	(11)
Adjusted Net income available to common shareholders	$ 217	$ 85	$ 524	$ 213
Weighted average common shares outstanding (in shares)	220,269	251,290	224,257	253,360
Basic Earnings per Share (in dollars per share)	$ 0.99	$ 0.34	$ 2.34	$ 0.84
Diluted Earnings per Share
Net Income Attributable to Xerox Holdings	$ 221	$ 89	$ 535	$ 224
Accrued dividends on preferred stock	0	(4)	0	(11)
Adjusted Net income available to common shareholders	$ 221	$ 85	$ 535	$ 213
Weighted average common shares outstanding (in shares)	220,269	251,290	224,257	253,360
Common shares issuable with respect to:
Adjusted Weighted average common shares outstanding (in shares)	231,067	254,053	235,465	256,235
Diluted Earnings per Share (in dollars per share)	$ 0.96	$ 0.34	$ 2.27	$ 0.83
Stock options
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	42	0	37	0
Restricted stock and performance shares
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	4,014	2,763	4,429	2,875
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