Investment in Affiliates, at Equity - Other Transactions with Fuji Xerox (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity Method Investments and Joint Ventures [Abstract]
Prepaid royalties	$ 100
Fuji Xerox
Schedule of Equity Method Investments [Line Items]
Royalty revenue earned	88	$ 99	$ 96
Inventory purchases from Fuji Xerox	1,077	1,337	1,501
Inventory sales to Fuji Xerox	25	33	43
R&D payments received from Fuji Xerox	1	0	1
R&D payments paid to Fuji Xerox	5	4	$ 8
Net amounts due to Fuji Xerox	$ 102	$ 353