Shareholders' Equity of Xerox Holdings - Treasury Stock (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Increase (Decrease) In Treasury Stock [Roll Forward]
Beginning balance (in shares)			0
Ending balance (in shares)	3,731		3,731
Beginning balance			$ 0
Purchases	$ 87	$ 150	500	$ 150
Cancellations	0		0	0
Ending balance	$ 87		$ 87
Treasury Stock
Increase (Decrease) In Treasury Stock [Roll Forward]
Beginning balance (in shares)			0
Purchases (in shares)			20,798
Cancellations (in shares)			(17,067)
Ending balance (in shares)	3,731		3,731
Beginning balance			$ 0
Purchases	$ 87	$ 150	500	150
Cancellations	159		(413)	$ (76)
Ending balance	$ 87		$ 87