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LONG-TERM DEBT - Additional Information (Detail) - USD ($)				3 Months Ended		9 Months Ended
	Jun. 29, 2021	Jun. 28, 2021	Mar. 04, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Net proceeds of sale of senior notes						$ 2,222,500,000	$ 751,500,000
Repayments of long-term debt			$ 1,260,000,000
Premiums paid over face value			97,900,000
Payment of accrued interest			12,500,000
Cost related to the tender offer			1,100,000
Loss on early retirement of debt				$ 0	$ 0	352,599,000	$ 861,000
6.75% Senior Notes due 2029:
Debt Instrument [Line Items]
Principal				$ 1,250,000,000		$ 1,250,000,000
Principal amount of senior notes issued			$ 1,250,000,000
Interest rate on debt instrument			6.75%	6.75%		6.75%
Net proceeds of sale of senior notes			$ 1,240,000,000
7.5% Senior Notes due 2025
Debt Instrument [Line Items]
Principal				$ 244,400,000		$ 244,400,000
Interest rate on debt instrument			7.50%	7.50%		7.50%
Repayments of long-term debt			$ 375,000,000
9.75% Senior Notes due 2026
Debt Instrument [Line Items]
Interest rate on debt instrument			9.75%					9.75%
Repayments of long-term debt	$ 978,600,000		$ 777,100,000
Premiums paid over face value	74,000,000
Payment of accrued interest	$ 31,700,000
5.875% senior notes due 2030
Debt Instrument [Line Items]
Principal				$ 965,000,000		$ 965,000,000
Principal amount of senior notes issued		$ 965,000,000
Interest rate on debt instrument		5.875%		5.875%		5.875%
Net proceeds of sale of senior notes		$ 949,500,000
Bank Credit Facility
Debt Instrument [Line Items]
Principal				$ 425,000,000		$ 425,000,000
Bank credit facility				$ 1,400,000,000		$ 1,400,000,000
Leverage ratio						400.00%
Current ratio						100.00%
Bank Credit Facility | Minimum
Debt Instrument [Line Items]
Commitment fee on unused borrowing base						0.375%
Bank Credit Facility | Maximum
Debt Instrument [Line Items]
Commitment fee on unused borrowing base						0.50%
Bank Credit Facility | LIBOR | Minimum
Debt Instrument [Line Items]
Spread rate for interest rate on credit facility						2.25%
Bank Credit Facility | LIBOR | Maximum
Debt Instrument [Line Items]
Spread rate for interest rate on credit facility						3.25%
Bank Credit Facility | Base Rate | Minimum
Debt Instrument [Line Items]
Spread rate for interest rate on credit facility						1.25%
Bank Credit Facility | Base Rate | Maximum
Debt Instrument [Line Items]
Spread rate for interest rate on credit facility						2.25%

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