Earnings (Loss) per Share - Computation of Basic and Diluted Earnings (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic Earnings (Loss) per Share
Net Income (Loss) Attributable to Xerox Holdings	$ 39	$ (2)
Accrued dividends on preferred stock	(4)	(4)
Adjusted Net income (loss) available to common shareholders	$ 35	$ (6)
Weighted average common shares outstanding (in shares)	195,985	212,750
Basic earnings (loss) per share (USD per share)	$ 0.18	$ (0.03)
Diluted Earnings (Loss) per Share
Net Income (Loss) Attributable to Xerox Holdings	$ 39	$ (2)
Accrued dividends on preferred stock	(4)	(4)
Adjusted Net income (loss) available to common shareholders	$ 35	$ (6)
Weighted average common shares outstanding (in shares)	195,985	212,750
Common shares issuable with respect to:
Adjusted Weighted average common shares outstanding (in shares)	198,166	212,750
Diluted earnings (loss) per share (USD per share)	$ 0.18	$ (0.03)
Stock options
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	0	0
Restricted stock and performance shares
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	2,181	0
Convertible preferred stock
Common shares issuable with respect to:
Common shares attributable to dilutive effect of share-based payments (in shares)	0	0