Subsequent Events (Details)	Feb. 04, 2021 USD ($)	Jan. 24, 2020 USD ($)	Dec. 31, 2019	Feb. 02, 2017 USD ($)
Subsequent Event [Line Items]
Ratio of total indebtedness to adjusted EBITDA			2.5
Secured Revolving Bank Credit Facility expires in Feb 2021 | Revolving Credit Facility
Subsequent Event [Line Items]
Aggregate principal amount line of credit				$ 2,000,000,000.0
Ratio of total indebtedness to adjusted EBITDA			3.75
Secured Revolving Bank Credit Facility expires in Feb 2021 | Revolving Credit Facility | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount line of credit		$ 2,000,000,000.0
Scenario, Forecast | Secured Revolving Bank Credit Facility expires in Feb 2022 | Revolving Credit Facility | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount line of credit	$ 1,800,000,000
Fiscal Quarter Ended December 31, 2019 | Secured Revolving Bank Credit Facility expires in Feb 2022 | Revolving Credit Facility | Subsequent Event
Subsequent Event [Line Items]
Ratio of total indebtedness to adjusted EBITDA		3.75
Fiscal Quarter Ended March 31, 2020 and Thereafter | Secured Revolving Bank Credit Facility expires in Feb 2022 | Revolving Credit Facility | Subsequent Event
Subsequent Event [Line Items]
Ratio of total indebtedness to adjusted EBITDA		6.0