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.

+ 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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- Definition

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

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

+ References

No definition available.

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
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LONG-TERM DEBT - Senior Secured and Senior Secured Notes (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Feb. 05, 2019
LONG-TERM DEBT AND LEASE OBLIGATIONS
Loss from early extinguishment of debt	$ 0	$ 47,000,000	$ 1,000,000	$ 47,000,000	$ 2,000,000
6.250% due 2027
LONG-TERM DEBT AND LEASE OBLIGATIONS
Stated interest rate, percentage						6.25%
7.500% due 2022
LONG-TERM DEBT AND LEASE OBLIGATIONS
Stated interest rate, percentage						7.50%
5.500% due 2019
LONG-TERM DEBT AND LEASE OBLIGATIONS
Stated interest rate, percentage						5.50%
Senior Notes \| 6.250% due 2027
LONG-TERM DEBT AND LEASE OBLIGATIONS
Long term debt, face amount						$ 1,500,000,000
Stated interest rate, percentage	6.25%			6.25%
Senior Notes \| 6.750% due 2020
LONG-TERM DEBT AND LEASE OBLIGATIONS
Stated interest rate, percentage	6.75%			6.75%		6.75%
Repurchased face amount						$ 300,000,000
Senior Notes \| 7.500% due 2022
LONG-TERM DEBT AND LEASE OBLIGATIONS
Stated interest rate, percentage	7.50%			7.50%
Repurchased face amount						750,000,000
Senior Notes \| 5.500% due 2019
LONG-TERM DEBT AND LEASE OBLIGATIONS
Stated interest rate, percentage	5.50%			5.50%
Repurchased face amount						$ 468,000,000