Supplementary Financial Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Supplemental Financial Information [Abstract]
Provision for receivables	$ 74	$ 14
Provision for inventory	6	8
Provision for product warranty	2	4
Depreciation of buildings and equipment	21	27
Depreciation and obsolescence of equipment on operating leases	51	59
Amortization of internal use software	11	17
Amortization of acquired intangible assets	11	15
Amortization of customer contract costs	22	24
Cost of additions to land, buildings and equipment	18	9
Cost of additions to internal use software	5	6
Common stock dividends - Xerox Holdings	54	58
Preferred stock dividends - Xerox Holdings	4	4
Repurchases related to stock-based compensation - Xerox Holdings	$ 7	$ 1