Adoption of New Revenue Recognition Standard - Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Total Revenues	[1]	$ 2,510	$ 2,567	$ 4,945	$ 5,021
Equipment
Disaggregation of Revenue [Line Items]
Total Revenues	[2]	561	547	1,060	1,049
Supplies, paper and other sales
Disaggregation of Revenue [Line Items]
Total Revenues		456	463	890	897
Maintenance agreements
Disaggregation of Revenue [Line Items]
Total Revenues	[3]	634	662	1,267	1,301
Service arrangements
Disaggregation of Revenue [Line Items]
Total Revenues	[4]	614	634	1,237	1,258
Rental and other
Disaggregation of Revenue [Line Items]
Total Revenues		177	187	352	366
Financing
Disaggregation of Revenue [Line Items]
Total Revenues		68	74	139	150
Sales
Disaggregation of Revenue [Line Items]
Total Revenues		1,017	1,010	1,950	1,946
Service, Equipment Products
Disaggregation of Revenue [Line Items]
Total Revenues		9		20
Product | Direct Equipment Lease
Disaggregation of Revenue [Line Items]
Total Revenues	[5]	172	163	332	323
Product | Distributors & resellers
Disaggregation of Revenue [Line Items]
Total Revenues	[6]	370	372	701	693
Product | Direct equipment lease / Customer direct
Disaggregation of Revenue [Line Items]
Total Revenues		475	475	917	930
United States
Disaggregation of Revenue [Line Items]
Total Revenues	[1]	1,479	1,533	2,893	3,002
Europe
Disaggregation of Revenue [Line Items]
Total Revenues	[1]	660	674	1,336	1,314
Canada
Disaggregation of Revenue [Line Items]
Total Revenues	[1]	147	150	291	295
Other
Disaggregation of Revenue [Line Items]
Total Revenues	[1]	$ 224	$ 210	$ 425	$ 410

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

[2] For the three and six months ended June 30, 2017, Equipment sale revenues exclude $9 and $20, respectively, of equipment-related training revenue, which was classified as Services under previous revenue guidance - see "Adoption Summary" above.

[3] Includes revenues from maintenance agreements on sold equipment as well as revenues associated with service agreements sold in our small and mid-sized business (SMB) focused channels and through our channel partners as Xerox Partner Print Services (XPPS).

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

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

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