Impact of Separation (Details) - USD ($)		12 Months Ended
	Sep. 24, 2018	Dec. 31, 2019	[1]	Dec. 31, 2018	[2]	Sep. 05, 2018	Aug. 28, 2018
Debt Instrument [Line Items]
Separation adjustments	$ 99,600,000	$ (51,200,000)		$ 99,600,000
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount							$ 2,000,000,000.0
Credit Facility | Revolving credit facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	750,000,000.0					$ 750,000,000.0
Credit Facility | Term credit facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 500,000,000.0					$ 500,000,000.0

[1] See Note 20: Related Party Agreements and Transactions for further discussion.

[2] See Note 3: Impact of Separation for further discussion.