Subsequent Events (Details) - Subsequent Event £ in Millions		1 Months Ended
	Jan. 05, 2020 USD ($)	Jan. 31, 2020 USD ($)	Jan. 31, 2020 GBP (£)	Jan. 06, 2020 USD ($)
Fuji Xerox
Subsequent Event [Line Items]
Period of trademark use after termination (years)	2 years
Royalty receivable	$ 100,000,000
HP Inc. | Citigroup Global Markets Inc., Mizuho Bank, Ltd. And Bank Of America, N.A. (The Commitment Parties) | Bridge Loan
Subsequent Event [Line Items]
Amount committed by lender				$ 24,000,000,000
Contingent fees	140,000,000
HP Inc. | Citigroup Global Markets Inc., Mizuho Bank, Ltd. And Bank Of America, N.A. (The Commitment Parties) | Senior Unsecured 364-Day Term Loan Bridge Facility | Bridge Loan
Subsequent Event [Line Items]
Amount committed by lender	$ 19,500,000,000
Debt, term (days)	364 days
HP Inc. | Citigroup Global Markets Inc., Mizuho Bank, Ltd. And Bank Of America, N.A. (The Commitment Parties) | Senior Unsecured 60-Day Term Loan Bridge Facility | Bridge Loan
Subsequent Event [Line Items]
Amount committed by lender	$ 4,500,000,000
Debt, term (days)	60 days
Arena Group
Subsequent Event [Line Items]
Consideration transferred		$ 46,000,000	£ 35