FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of fair value measurement information for financial instruments measured on a recurring basis

The following table provides (i) fair value measurement information for financial assets and liabilities measured at fair value on a recurring basis, (ii) the gross amounts of recognized derivative assets and liabilities, (iii) the amounts offset under master netting arrangements with counterparties, and (iv) the resulting net amounts presented in the Company’s consolidated balance sheets as of December 31, 2020 and December 31, 2019. The net amounts of derivative instruments are classified as current or noncurrent based on their anticipated settlement dates.

	As of December 31, 2020
	Level 1		Level 2		Level 3		Total Gross Fair Value		Gross Amounts Offset in Balance Sheet		Net Fair Value Presented in Balance Sheet
	(in millions)
Assets:
Current:
Derivative Instruments	$	—	$	43	$	—	$	43	$	(42)	$	1
Non-current:
Derivative Instruments	$	—	$	187	$	—	$	187	$	(187)	$	—
Liabilities:
Current:
Derivative Instruments	$	—	$	291	$	—	$	291	$	(42)	$	249
Non-current:
Derivative Instruments	$	—	$	244	$	—	$	244	$	(187)	$	57

	As of December 31, 2019
	Level 1		Level 2		Level 3		Total Gross Fair Value		Gross Amounts Offset in Balance Sheet		Net Fair Value Presented in Balance Sheet
	(in millions)
Assets:
Current:
Derivative Instruments	$	—	$	64	$	—	$	64	$	(18)	$	46
Non-current:
Investment	$	19	$	—	$	—	$	19	$	—	$	19
Derivative Instruments	$	—	$	7	$	—	$	7	$	—	$	7
Liabilities:
Current:
Derivative Instruments	$	—	$	45	$	—	$	45	$	(18)	$	27

Offsetting Assets

The following table provides (i) fair value measurement information for financial assets and liabilities measured at fair value on a recurring basis, (ii) the gross amounts of recognized derivative assets and liabilities, (iii) the amounts offset under master netting arrangements with counterparties, and (iv) the resulting net amounts presented in the Company’s consolidated balance sheets as of December 31, 2020 and December 31, 2019. The net amounts of derivative instruments are classified as current or noncurrent based on their anticipated settlement dates.

	As of December 31, 2020
	Level 1		Level 2		Level 3		Total Gross Fair Value		Gross Amounts Offset in Balance Sheet		Net Fair Value Presented in Balance Sheet
	(in millions)
Assets:
Current:
Derivative Instruments	$	—	$	43	$	—	$	43	$	(42)	$	1
Non-current:
Derivative Instruments	$	—	$	187	$	—	$	187	$	(187)	$	—
Liabilities:
Current:
Derivative Instruments	$	—	$	291	$	—	$	291	$	(42)	$	249
Non-current:
Derivative Instruments	$	—	$	244	$	—	$	244	$	(187)	$	57

	As of December 31, 2019
	Level 1		Level 2		Level 3		Total Gross Fair Value		Gross Amounts Offset in Balance Sheet		Net Fair Value Presented in Balance Sheet
	(in millions)
Assets:
Current:
Derivative Instruments	$	—	$	64	$	—	$	64	$	(18)	$	46
Non-current:
Investment	$	19	$	—	$	—	$	19	$	—	$	19
Derivative Instruments	$	—	$	7	$	—	$	7	$	—	$	7
Liabilities:
Current:
Derivative Instruments	$	—	$	45	$	—	$	45	$	(18)	$	27

Offsetting Liabilities

The following table provides (i) fair value measurement information for financial assets and liabilities measured at fair value on a recurring basis, (ii) the gross amounts of recognized derivative assets and liabilities, (iii) the amounts offset under master netting arrangements with counterparties, and (iv) the resulting net amounts presented in the Company’s consolidated balance sheets as of December 31, 2020 and December 31, 2019. The net amounts of derivative instruments are classified as current or noncurrent based on their anticipated settlement dates.

	As of December 31, 2020
	Level 1		Level 2		Level 3		Total Gross Fair Value		Gross Amounts Offset in Balance Sheet		Net Fair Value Presented in Balance Sheet
	(in millions)
Assets:
Current:
Derivative Instruments	$	—	$	43	$	—	$	43	$	(42)	$	1
Non-current:
Derivative Instruments	$	—	$	187	$	—	$	187	$	(187)	$	—
Liabilities:
Current:
Derivative Instruments	$	—	$	291	$	—	$	291	$	(42)	$	249
Non-current:
Derivative Instruments	$	—	$	244	$	—	$	244	$	(187)	$	57

	As of December 31, 2019
	Level 1		Level 2		Level 3		Total Gross Fair Value		Gross Amounts Offset in Balance Sheet		Net Fair Value Presented in Balance Sheet
	(in millions)
Assets:
Current:
Derivative Instruments	$	—	$	64	$	—	$	64	$	(18)	$	46
Non-current:
Investment	$	19	$	—	$	—	$	19	$	—	$	19
Derivative Instruments	$	—	$	7	$	—	$	7	$	—	$	7
Liabilities:
Current:
Derivative Instruments	$	—	$	45	$	—	$	45	$	(18)	$	27

Schedule of fair value measurement information for financial instruments measured on a nonrecurring basis

The following table provides the fair value of financial instruments that are not recorded at fair value in the consolidated balance sheets:

	December 31, 2020				December 31, 2019
	Carrying				Carrying
	Value(1)		Fair Value		Value(1)		Fair Value
	(in millions)
Debt:
Revolving credit facility	$	23	$	23	$	13	$	13
4.625% Notes due 2021	$	191	$	193	$	399	$	411
7.320% Medium-term Notes, Series A, due 2022	$	21	$	22	$	21	$	22
2.875% Senior Notes due 2024	$	993	$	1,053	$	992	$	1,012
4.750% Senior Notes due 2025	$	496	$	565	$	—	$	—
5.375% Senior Notes due 2025	$	799	$	824	$	799	$	840
3.250% Senior Notes due 2026	$	793	$	857	$	792	$	812
7.350% Medium-term Notes, Series A, due 2027	$	—	$	—	$	11	$	12
7.125% Medium-term Notes, Series B, due 2028	$	107	$	119	$	108	$	116
3.500% Senior Notes due 2029	$	1,187	$	1,286	$	1,186	$	1,226
Viper revolving credit facility	$	84	$	84	$	97	$	97
Viper's 5.375% Senior Notes due 2027	$	472	$	501	$	490	$	521
Rattler revolving credit facility	$	79	$	79	$	424	$	424
Rattler’s 5.625% Senior Notes due 2025	$	491	$	528	$	—	$	—
DrillCo Agreement	$	79	$	79	$	39	$	39

(1)The carrying value includes associated deferred loan costs and any remaining discount or premium.