Shareholders' Equity of Xerox Holdings - Treasury Stock (Details) - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019		Sep. 30, 2018
Increase (Decrease) In Treasury Stock [Roll Forward]
Balance at December 31, 2018 (in shares)				2,067
Balance at December 31, 2018				$ 55
Purchases (in shares)	[1]			11,575
Purchases		$ 68	$ 284	$ 368	[1]	$ 284
Cancellations (in shares)				(11,313)
Cancellations				$ (355)
Balance at September 30, 2019 (in shares)		2,329		2,329
Balance at September 30, 2019		$ 68		$ 68

[1] Includes associated fees.