FAIR VALUE MEASUREMENTS - Recurring Measurements (Details) - Fair Value, Recurring - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Noncurrent Assets
Assets:
Gross Amounts Offset in Balance Sheet	$ 0	$ 0
Investment	8	5
Commodity derivative instruments | Current Assets
Assets:
Total Gross Fair Value	84	88
Gross Amounts Offset in Balance Sheet	(80)	(71)
Net Fair Value Presented in Balance Sheet	4	17
Commodity derivative instruments | Noncurrent Assets
Assets:
Total Gross Fair Value	33	8
Gross Amounts Offset in Balance Sheet	(18)	(7)
Net Fair Value Presented in Balance Sheet	15	1
Commodity derivative instruments | Current Liabilities
Liabilities:
Total Gross Fair Value	104	111
Gross Amounts Offset in Balance Sheet	(80)	(71)
Net Fair Value Presented in Balance Sheet	24	40
Commodity derivative instruments | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	20	12
Gross Amounts Offset in Balance Sheet	(18)	(7)
Net Fair Value Presented in Balance Sheet	2	5
Interest rate swaps | Current Liabilities
Liabilities:
Total Gross Fair Value	48	46
Gross Amounts Offset in Balance Sheet	0	0
Net Fair Value Presented in Balance Sheet	48	46
Interest rate swaps | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	132	117
Gross Amounts Offset in Balance Sheet	0	0
Net Fair Value Presented in Balance Sheet	132	117
Level 1 | Noncurrent Assets
Assets:
Investment	8	5
Level 1 | Commodity derivative instruments | Current Assets
Assets:
Total Gross Fair Value	0	0
Level 1 | Commodity derivative instruments | Noncurrent Assets
Assets:
Total Gross Fair Value	0	0
Level 1 | Commodity derivative instruments | Current Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 1 | Commodity derivative instruments | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 1 | Interest rate swaps | Current Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 1 | Interest rate swaps | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 2 | Noncurrent Assets
Assets:
Investment	0	0
Level 2 | Commodity derivative instruments | Current Assets
Assets:
Total Gross Fair Value	84	88
Level 2 | Commodity derivative instruments | Noncurrent Assets
Assets:
Total Gross Fair Value	33	8
Level 2 | Commodity derivative instruments | Current Liabilities
Liabilities:
Total Gross Fair Value	104	111
Level 2 | Commodity derivative instruments | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	20	12
Level 2 | Interest rate swaps | Current Liabilities
Liabilities:
Total Gross Fair Value	48	46
Level 2 | Interest rate swaps | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	132	117
Level 3 | Noncurrent Assets
Assets:
Investment	0	0
Level 3 | Commodity derivative instruments | Current Assets
Assets:
Total Gross Fair Value	0	0
Level 3 | Commodity derivative instruments | Noncurrent Assets
Assets:
Total Gross Fair Value	0	0
Level 3 | Commodity derivative instruments | Current Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 3 | Commodity derivative instruments | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 3 | Interest rate swaps | Current Liabilities
Liabilities:
Total Gross Fair Value	0	0
Level 3 | Interest rate swaps | Noncurrent Liabilities
Liabilities:
Total Gross Fair Value	$ 0	$ 0