Debt Instrument, Incremental Decrease in Basis Spread on Variable Rate Resulting from Upgrades

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- Definition

Debt Instrument, Incremental Increase in Basis Spread on Variable Rate Resulting from Downgrades

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- Definition

Debt Instrument, Selling Price, Percentage of Face Value

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- Definition

Debt Instrument, Stated interest Rate, Cap

+ References

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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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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Face (par) amount of the original debt instrument that was repurchased.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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Debt (Senior Notes - Narrative) (Details) - USD ($)	1 Months Ended		6 Months Ended		12 Months Ended
Debt (Senior Notes - Narrative) (Details) - USD ($)	Aug. 31, 2020	Jan. 31, 2015	Jun. 30, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Apr. 07, 2020	Jul. 31, 2018
Debt Instrument [Line Items]
Gain on early extinguishment of debt					$ 35,000,000	$ 8,000,000	$ (17,000,000)
Senior Notes
Debt Instrument [Line Items]
Repayments of long-term debt				$ 54,000,000
Gain on early extinguishment of debt			$ 35,000,000	$ 8,000,000
Senior Notes \| LIBOR
Debt Instrument [Line Items]
Incremental increase in basis points resulting from downgrades		0.25%
Incremental decrease in basis points resulting from upgrades		0.25%
Senior Notes \| 4.95% Senior Notes Due January 2025
Debt Instrument [Line Items]
Senior notes		$ 1,000,000,000.0
Stated interest rate		4.95%		4.95%	4.95%	4.95%		6.45%	6.20%
Debt stated interest rate cap									6.95%
Debt repurchased face amount			36,000,000	$ 35,000,000		$ 35,000,000
Senior Notes \| 7.50% Senior Notes Due April 2026
Debt Instrument [Line Items]
Stated interest rate				7.50%	7.50%	7.50%
Debt repurchased face amount			21,000,000	$ 11,000,000		$ 11,000,000
Senior Notes \| 7.75% Senior Notes Due October 2027
Debt Instrument [Line Items]
Stated interest rate				7.75%	7.75%	7.75%
Debt repurchased face amount			44,000,000	$ 16,000,000		$ 16,000,000
Senior Notes \| 4.05% Senior Notes Due January 2020
Debt Instrument [Line Items]
Stated interest rate				4.05%		4.05%
Debt repurchased face amount			72,000,000	$ 52,000,000		$ 52,000,000
Senior Notes \| 4.10% Senior Notes Due January March 2022
Debt Instrument [Line Items]
Stated interest rate				4.10%	4.10%	4.10%
Debt repurchased face amount			$ 6,000,000
Senior Notes \| Eight Point Three Seven Five Percent Senior Notes Due September 2028
Debt Instrument [Line Items]
Senior notes	$ 350,000,000
Stated interest rate					8.375%
Proceeds from issuance of long-term debt	$ 345,000,000
Percentage price of face value of the notes sold to the public	100.00%
Senior Notes \| Eight Point Eight Seven Five Percent Senior Notes Due 2023 \| Montage Resources Corporation
Debt Instrument [Line Items]
Senior notes	$ 510,000,000
Stated interest rate	8.875%