Debt - Interest Expense and Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Interest expense	$ 52	$ 48	$ 104	$ 99
Interest income	57	$ 59	113	$ 126
2020 Senior Notes \| Senior Notes \| XEROX CORPORATION
Debt Instrument [Line Items]
Interest expense	$ 19		$ 39

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Name:	us-gaap_InterestExpenseDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration