Shareholders' Equity of Xerox Holdings - Treasury Stock (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Increase (Decrease) In Treasury Stock [Roll Forward]
Balance at December 31, 2019 (in shares)		2,031
Balance at December 31, 2019		$ 76
Purchases	$ 197		$ 300
Cancellations	0	$ 0	0
Balance at June 30, 2020 (in shares)		0
Balance at June 30, 2020		$ 0
Treasury Stock
Increase (Decrease) In Treasury Stock [Roll Forward]
Balance at December 31, 2019 (in shares)		2,031
Balance at December 31, 2019		$ 76
Purchases (in shares)		0
Purchases	197	$ 0	300
Cancellations (in shares)		(2,031)
Cancellations	$ (169)	$ (76)	$ 224
Balance at June 30, 2020 (in shares)		0
Balance at June 30, 2020		$ 0