Investment in Affiliates, at Equity - Other Transactions with Fuji Xerox (Details) - Fuji Xerox [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]
Dividends received from Fuji Xerox	$ 23	$ 46	$ 47
Royalty revenue earned	96	103	110
Inventory purchases from Fuji Xerox	1,501	1,585	1,641
Inventory sales to Fuji Xerox	43	58	80
R&D payments received from Fuji Xerox	1	1	1
R&D payments paid to Fuji Xerox	8	14	$ 13
Net amounts due to Fuji Xerox	$ 320	$ 331