Investment in Affiliates, at Equity - Summary of Fuji Xerox (Details) - Fuji Xerox $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Mar. 31, 2018	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Summary of Operations:
Revenues		$ 2,395	$ 2,326		$ 7,001	$ 7,017
Costs and expenses		2,077	2,077		6,229	6,946
Income before Income Taxes		318	249		772	71
Income tax expense		83	84		233	95
Net Income (Loss)		235	165		539	(24)
Less: Net income attributable to noncontrolling interests		1	1		2	2
Net Income (Loss) – Fuji Xerox		$ 234	$ 164		$ 537	$ (26)
Weighted Average Exchange Rate	[1]	107.26	111.43	108.07	109.12	109.50

[1] Represents Yen/U.S. dollar exchange rate used to translate.