Supplementary Financial Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Supplemental Financial Information [Abstract]
Provision for receivables		$ 13	$ 11	$ 40	$ 37
Provision for inventory		3	5	18	19
Provision for product warranty		3	3	10	10
Depreciation of buildings and equipment		24	30	77	118
Depreciation and obsolescence of equipment on operating leases		56	62	172	189
Amortization of internal use software		15	18	48	55
Amortization of acquired intangible assets		9	12	35	36
Amortization of customer contract costs	[1]	24	25	70	75
Cost of additions to land, buildings and equipment		11	15	30	41
Cost of additions to internal use software		6	8	18	32
Common stock dividends - Xerox Holdings		57	65	172	193
Preferred stock dividends - Xerox Holdings		4	4	11	11
Payments to noncontrolling interests		1	1	14	14
Repurchases related to stock-based compensation - Xerox Holdings		$ 10	$ 5	$ 20	$ 7

[1] Amortization of customer contract costs are reported in (Increase) decrease in other current and long-term assets in the Condensed Consolidated Statements of Cash Flows. Refer to Note 5 - Revenue for additional information on contract costs.