Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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Debt - February 2020 Senior Unsecured and Redemption and Repayment of the Second Lien Notes (Details) - USD ($)		1 Months Ended
	Feb. 20, 2020	Feb. 28, 2019	Feb. 05, 2020	Dec. 31, 2019	Dec. 31, 2017
Senior Notes \| Second Lien Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				8.00%	8.00%
Repayments of debt		$ 537,500,000
Subsequent Event
Debt Instrument [Line Items]
Escrow deposit	$ 2,000,000,000.0
Subsequent Event \| Senior Notes \| Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument, face amount	$ 750,000,000		$ 750,000,000
Interest rate, stated percentage	3.50%		3.50%
Subsequent Event \| Senior Notes \| Senior Notes due 2027
Debt Instrument [Line Items]
Debt instrument, face amount	$ 750,000,000		$ 750,000,000
Interest rate, stated percentage	3.75%		3.75%
Subsequent Event \| Senior Notes \| Second Lien Notes
Debt Instrument [Line Items]
Repayments of debt	$ 498,500,000
Subsequent Event \| Senior Notes \| Second Lien Notes And Second Lien Notes Applicable Premium
Debt Instrument [Line Items]
Repayments of debt	537,500,000
Subsequent Event \| Senior Notes \| Senior Notes due 2030
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,000,000,000.0		$ 1,000,000,000.0
Interest rate, stated percentage	4.125%		4.125%