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

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- Definition

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

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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.

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

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No definition available.

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- Definition

Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Debt (March 2019 Refinancing and June 2019 Revolving Credit Facility) (Narrative) (Details) - USD ($)	1 Months Ended
	Mar. 31, 2019	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019
Debt Instrument [Line Items]
Principal amount		$ 8,462,141,000	$ 8,470,678,000
Repurchase principal amount of debt	$ 1,642,200,000
Long-term Debt	1,624,000,000.0	8,389,070,000	8,394,049,000
Repayments of debt	1,500,000,000.0
Gain on extinguishment of debt	(124,000,000.0)
Unamortized discount (premium) and debt issuance costs, net	26,200,000
7.50% Senior Secured Notes due 2027
Debt Instrument [Line Items]
Principal amount	$ 1,500,000,000.0	$ 1,500,000,000	1,500,000,000
Interest rate (as percent)	7.50%	7.50%
Long-term Debt		$ 1,482,675,000	1,482,212,000
Unamortized discount (premium) and debt issuance costs, net	$ 19,100,000
7.25% Senior Notes due 2022
Debt Instrument [Line Items]
Principal amount		$ 8,294,000	8,294,000
Interest rate (as percent)	7.25%	7.25%
Long-term Debt		$ 8,294,000	8,294,000
5.75% Senior Notes due 2022
Debt Instrument [Line Items]
Principal amount		$ 182,479,000	182,479,000
Interest rate (as percent)	5.75%	5.75%
Long-term Debt		$ 182,479,000	182,479,000
5.375% Senior Notes due 2023
Debt Instrument [Line Items]
Principal amount		$ 210,440,000	210,440,000
Interest rate (as percent)		5.375%
Long-term Debt		$ 209,126,000	209,018,000
6.00% Senior Notes due 2023
Debt Instrument [Line Items]
Principal amount		$ 1,439,840,000	1,439,840,000
Interest rate (as percent)		6.00%
Long-term Debt		$ 1,427,814,000	1,426,998,000
Senior notes \| Note repurchases
Debt Instrument [Line Items]
Unamortized discount (premium) and debt issuance costs, net	$ 4,200,000
Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount		300,000,000	300,000,000	$ 300,000,000.0
Long-term Debt		300,000,000	$ 300,000,000
Unamortized discount (premium) and debt issuance costs, net	$ 2,900,000
Revolving Credit Facility \| 2017 credit agreement
Debt Instrument [Line Items]
Principal amount		$ 1,000,000,000.0