Earnings per Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Basic Earnings per Share:
Net Income from continuing operations attributable to Xerox Holdings	$ 192	$ 648	$ 306
Accrued dividends on preferred stock	(14)	(14)	(14)
Adjusted Net income from continuing operations available to common shareholders	178	634	292
Income from discontinued operations attributable to Xerox Holdings, net of tax	0	705	55
Adjusted Net income available to common shareholders	$ 178	$ 1,339	$ 347
Weighted average common shares outstanding	208,983	221,969	248,707
Continuing operations (in dollars per share)	$ 0.85	$ 2.86	$ 1.17
Discontinued operations (in dollars per share)	0	3.17	0.23
Basic Earnings per Share	$ 0.85	$ 6.03	$ 1.40
Diluted Earnings per Share:
Net Income from continuing operations attributable to Xerox Holdings	$ 192	$ 648	$ 306
Accrued dividends on preferred stock	(14)	0	(14)
Adjusted Net income from continuing operations available to common shareholders	178	648	292
Income from discontinued operations attributable to Xerox Holdings, net of tax	0	705	55
Adjusted Net income available to common shareholders	$ 178	$ 1,353	$ 347
Weighted-average common shares outstanding	208,983	221,969	248,707
Common shares issuable with respect to:
Adjusted Weighted average common shares outstanding	211,437	233,169	251,660
Continuing operations (in dollars per share)	$ 0.84	$ 2.78	$ 1.16
Discontinued operations (in dollars per share)	0	3.02	0.22
Diluted Earnings per Share	$ 0.84	$ 5.80	$ 1.38
Stock options
Common shares issuable with respect to:
Stock options, Restricted stock and performance shares	15	55	0
Restricted stock and performance shares
Common shares issuable with respect to:
Stock options, Restricted stock and performance shares	2,439	4,403	2,953
Convertible preferred stock
Common shares issuable with respect to:
Convertible preferred stock, shares	0	6,742	0