SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) - Change in Standard Measure of Discounted Future Net Cash Flows (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Changes in Standardized Measure | |||
| Standardized measure, beginning of year | $ 2,263.0 | $ 1,156.0 | |
| Sales and transfers of oil, NGL and natural gas produced, net of production costs | (240.1) | (672.7) | $ (370.4) |
| Net changes in prices and production costs | (1,241.4) | 1,368.6 | 980.9 |
| Revisions of quantity estimates | (828.8) | 249.1 | 289.6 |
| Acquisition of reserves in place | 72.0 | 225.2 | 0.3 |
| Accretion of discount | 285.7 | 138.1 | 44.0 |
| Net change in income taxes | 443.1 | (369.3) | (181.8) |
| Changes in timing and other | (48.3) | 183.2 | (75.6) |
| Standardized measure, end of year | 683.2 | 2,263.0 | 1,156.0 |
| Net change in future development costs | $ (22.0) | $ (15.2) | $ (24.7) |
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in standardized measure of discounted future net cash flow as a result of acquisition of reserves in place No definition available.
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