DEBT - Credit Facility Narrative (Details) - USD ($)	1 Months Ended		12 Months Ended
	Jun. 30, 2020	Mar. 31, 2019	Dec. 31, 2021	Oct. 31, 2021	Dec. 31, 2020	Aug. 31, 2020
Line of Credit Facility [Line Items]
Principal amount			$ 8,338,168,000		$ 8,376,443,000
Repayments of debt	$ 47,200,000	$ 1,500,000,000
Minimum | Optional Redemption Period
Line of Credit Facility [Line Items]
Interest rate (as a percent)			35.00%
Maximum | Optional Redemption Period
Line of Credit Facility [Line Items]
Interest rate (as a percent)			40.00%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal amount			$ 277,200,000		300,000,000
Debt instrument, maturity acceleration, amount outstanding threshold			500,000,000
Revolving Credit Facility | Redemption Period Two
Line of Credit Facility [Line Items]
Long-term debt, gross			248,700,000
Revolving Credit Facility | Optional Redemption Period
Line of Credit Facility [Line Items]
Long-term debt, gross			$ 675,300,000
Term Loan Facility
Line of Credit Facility [Line Items]
Quarter periodic payment (as a percent)			0.25%
2017 credit agreement | Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal amount			$ 1,000,000,000
Commitments not extended			76,000,000
Commitments outstanding			924,000,000
Credit facility, remaining borrowing capacity			639,900,000
Debt covenant, cross default trigger of maximum principal amount of debt instrument			150,000,000
Debt covenant, trigger for non-appealable judgments for payment of money			150,000,000
7.25% Senior Notes due 2022
Line of Credit Facility [Line Items]
Principal amount			$ 8,294,000		8,294,000
Interest rate (as a percent)		7.25%	7.25%	7.25%
5.75% Senior Notes due 2022
Line of Credit Facility [Line Items]
Principal amount			$ 172,048,000		172,048,000	$ 10,000,000
Interest rate (as a percent)		5.75%	5.75%	5.75%		5.75%
7.50% Senior Secured Notes due 2027
Line of Credit Facility [Line Items]
Principal amount		$ 1,500,000,000	$ 2,015,479,000		2,015,479,000
Interest rate (as a percent)		7.50%	7.50%
9.50% Senior Secured Second Lien Notes due 2027
Line of Credit Facility [Line Items]
Principal amount			$ 940,590,000		$ 940,590,000
Interest rate (as a percent)			9.50%
Revolving Credit Facility | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			0.50%
Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			1.50%
Revolving Credit Facility | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			2.00%
Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			3.00%
Term Loan Facility
Line of Credit Facility [Line Items]
Principal amount			$ 2,000,000,000
Term Loan Facility | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			5.00%
Basis spread on variable rate, floor (as a percent)			0.75%
Term Loan Facility | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			4.00%
Basis spread on variable rate, floor (as a percent)			1.75%
Term Loan Facility | 2017 credit agreement
Line of Credit Facility [Line Items]
Principal amount			$ 2,000,000,000