Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total Revenues	[1],[2]	$ 2,200	$ 2,352	$ 6,695	$ 7,297
Equipment
Disaggregation of Revenue [Line Items]
Total Revenues		494	511	1,446	1,571
Supplies, paper and other sales
Disaggregation of Revenue [Line Items]
Total Revenues		310	345	933	1,057
Maintenance agreements
Disaggregation of Revenue [Line Items]
Total Revenues	[3]	568	618	1,775	1,958
Service arrangements
Disaggregation of Revenue [Line Items]
Total Revenues	[4]	611	649	1,883	2,007
Rental and other
Disaggregation of Revenue [Line Items]
Total Revenues		157	164	474	500
Financing
Disaggregation of Revenue [Line Items]
Total Revenues		60	65	184	204
Sales
Disaggregation of Revenue [Line Items]
Total Revenues	[1],[5]	804	856	2,379	2,628
Sales | Direct Equipment Lease
Disaggregation of Revenue [Line Items]
Total Revenues	[6]	200	175	484	507
Sales | Distributors & resellers
Disaggregation of Revenue [Line Items]
Total Revenues	[7]	301	324	949	1,043
Sales | Customer direct
Disaggregation of Revenue [Line Items]
Total Revenues		303	357	946	1,078
United States
Disaggregation of Revenue [Line Items]
Total Revenues	[2]	1,364	1,414	4,028	4,307
Europe
Disaggregation of Revenue [Line Items]
Total Revenues	[2]	521	587	1,705	1,923
Canada
Disaggregation of Revenue [Line Items]
Total Revenues	[2]	123	133	377	424
Other
Disaggregation of Revenue [Line Items]
Total Revenues	[2]	$ 192	$ 218	$ 585	$ 643

[1] Certain prior year amounts have been revised to conform to the current year presentation. Refer to Note 1 - Basis of Presentation - Change in Presentation, for additional information.

[2] Geographic area data is based upon the location of the subsidiary reporting the revenue.

[3] Includes revenues from maintenance agreements on sold equipment as well as revenues associated with service agreements sold through our channel partners as Xerox Partner Print Services (XPPS).

[4] Primarily includes revenues from our Managed Services offerings (formerly our Managed Document Services arrangements). Also includes revenues from embedded operating leases, which were not significant.

[5] Certain prior year amounts have been conformed to the current year presentation. Refer to Note 1 - Basis of Presentation for additional information.

[6] Primarily reflects direct sales through bundled lease arrangements.

[7] Primarily reflects sales through our two-tier distribution channels.