| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
|---|
| Sales and other operating revenues | 2,689.85 | 3,014.86 | 3,376.64 | 4,038.45 | 2,801.22 | 1,751.71 | 2,817.11 | 2,586.63 | 2,097.70 | 1,809.58 |
| Crude oil and natural gas sales | -- | -- | -- | (320.41) | (525.85) | 202.66 | (0.86) | -- | -- | -- |
| Petroleum product sales | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Crude oil trading sales | -- | -- | -- | -- | -- | -- | -- | (41.98) | -- | -- |
| Sales of purchased natural gas | -- | 3.74 | 72.22 | 181.69 | -- | -- | -- | -- | -- | -- |
| Interest and other income (loss) | -- | -- | -- | -- | -- | -- | -- | -- | -- | 62.89 |
| Gain (loss) on sale of assets | 23.05 | 11.58 | 11.29 | 32.93 | 23.92 | 12.97 | 12.80 | 25.95 | 127.43 | 1.66 |
| Other operating revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| (Loss) on derivative instruments | 5.93 | (1.71) | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Revenues | 2,718.82 | 3,028.47 | 3,460.15 | 3,932.66 | 2,299.28 | 1,967.34 | 2,829.05 | 2,570.60 | 2,225.13 | 1,874.13 |
| Crude oil and product purchases | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Costs of purchased natural gas | 0.00 | 3.15 | 51.68 | 171.99 | -- | -- | -- | -- | -- | -- |
| Operating expenses | 765.24 | 936.96 | 784.39 | 679.34 | 539.55 | 600.08 | 605.18 | 555.89 | 468.32 | 559.36 |
| Depreciation, depletion and amortization | 977.75 | 865.75 | 861.60 | 776.82 | 795.11 | 987.24 | 1,147.84 | 971.90 | 957.72 | 1,054.08 |
| Amortization of goodwill | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Selling and general expenses | 137.33 | 110.09 | 117.31 | 131.12 | 121.95 | 140.24 | 232.74 | 216.02 | 222.77 | 265.21 |
| Restructuring expenses | -- | -- | -- | 0.00 | 0.00 | 49.99 | -- | -- | -- | -- |
| Accretion of asset retirement obligations | (57.73) | (52.51) | (46.06) | (46.24) | (46.61) | (42.14) | (40.51) | (44.56) | (42.59) | -- |
| Exploration expenses, including undeveloped lease amortization | (111.67) | (133.54) | (234.78) | (133.20) | (69.04) | (86.48) | (95.11) | (103.98) | (122.83) | (101.86) |
| Impairment of long-lived assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Redetermination of Terra Nova working interest | -- | -- | -- | -- | -- | -- | -- | (11.33) | (15.00) | (39.10) |
| Other income (expense) | (13.93) | (10.99) | (46.53) | (137.52) | (21.05) | (16.27) | (38.12) | 34.87 | (30.71) | -- |
| Impairment of properties | (115.00) | (62.91) | 0.00 | 0.00 | (196.30) | (1,206.28) | 0.00 | (20.00) | 0.00 | (95.09) |
| Severance and ad valorem taxes | (39.24) | (39.16) | (42.79) | (57.01) | (41.21) | (28.53) | (47.96) | (52.07) | (43.62) | -- |
| Transportation, gathering and processing | (199.69) | (210.83) | (232.99) | (212.71) | (187.03) | (172.40) | (176.32) | -- | -- | -- |
| Total costs and expenses | 2,417.59 | 2,425.88 | 2,418.12 | 2,345.95 | 2,017.85 | 3,329.65 | 2,383.76 | 1,940.89 | 1,903.56 | -- |
| Operating income (loss) | 301.24 | 602.59 | 1,042.03 | 1,586.71 | 281.44 | (1,362.31) | 445.29 | 629.72 | 321.57 | -- |
| Interest expense | 96.07 | 105.93 | 112.37 | 150.76 | 221.77 | 169.42 | 219.28 | 181.60 | 181.78 | 152.49 |
| Interest capitalized | -- | -- | -- | -- | -- | -- | -- | -- | -- | (4.32) |
| Accretion of asset retirement obligations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 46.74 |
| Accretion on discounted liabilities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest and other income (loss) | -- | -- | -- | -- | (16.77) | (17.30) | (22.52) | (15.78) | (67.99) | -- |
| Other expenses | (22.30) | 70.90 | (8.59) | 14.31 | -- | -- | -- | -- | -- | (18.15) |
| Minority interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net costs associated with hurricanes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Severance and ad valorem taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | (43.83) |
| Deepwater rig contract exit costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4.34 |
| Total Costs and Expenses | (118.37) | (35.02) | (120.96) | (136.45) | (238.54) | (186.73) | (241.80) | (197.38) | (249.77) | 2,367.24 |
| United States | -- | -- | -- | 1,306.20 | 114.66 | -- | -- | -- | (299.35) | (595.20) |
| Foreign | -- | -- | -- | 144.06 | (71.77) | -- | -- | -- | 371.15 | 102.08 |
| Pre-Tax Income | 182.87 | 567.57 | 921.07 | 1,450.26 | 42.89 | (1,549.04) | 203.50 | 432.34 | 71.80 | (493.12) |
| State | -- | -- | -- | -- | -- | -- | 5.14 | 3.30 | 4.23 | 13.98 |
| Federal- Current | -- | 0.00 | 0.00 | 0.00 | 0.00 | (10.63) | 0.00 | (9.77) | 0.00 | -- |
| Federal- Deferred | 37.83 | 55.38 | 170.12 | 234.75 | (1.48) | (249.25) | 30.60 | (131.20) | 156.07 | (197.45) |
| Federal- Noncurrent | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Foreign- Current | 9.41 | 4.69 | 13.18 | 18.13 | (5.16) | (5.07) | (17.82) | 202.78 | 122.32 | 146.86 |
| Foreign- Deferred | (1.94) | 22.70 | 6.00 | 47.57 | (2.53) | (20.38) | (3.23) | (55.78) | 100.13 | (182.57) |
| Foreign- Noncurrent | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Provision for Income Taxes - Total | 44.55 | 78.27 | 195.92 | 309.46 | (5.86) | (293.74) | 14.68 | 9.33 | 382.74 | (219.17) |
| Income from continuing operations | 138.31 | 489.30 | 725.15 | 1,140.80 | 48.75 | (1,255.29) | 188.82 | 423.01 | (310.94) | (273.94) |
| Income from discontinued operations, net of tax | 0.49 | (2.81) | (1.47) | (2.08) | (1.23) | (7.15) | 1,064.49 | (3.52) | (0.85) | (2.03) |
| Income Before Extraordinary Income & Accounting Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle, net of tax | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income (loss) including noncontrolling interest | 138.80 | 486.49 | 723.68 | 1,138.72 | 47.53 | (1,262.45) | 1,253.30 | 419.49 | -- | -- |
| Net income (loss) attributable to noncontrolling interest | 34.57 | 79.31 | 62.12 | 173.67 | 121.19 | (113.67) | 103.57 | 8.39 | -- | -- |
| Net Income (Loss) available to limited partners shareholders | 104.23 | 407.17 | 661.56 | 965.05 | (73.66) | (1,148.78) | 1,149.73 | 411.09 | (311.79) | (275.97) |
| Income from continuing operations | 0.73 | 2.73 | 4.27 | 6.23 | (0.47) | (7.43) | 0.52 | 2.39 | (1.81) | (1.59) |
| Income from discontinued operations | 0.00 | (0.02) | (0.01) | (0.01) | (0.01) | (0.05) | 6.49 | (0.01) | 0.00 | (0.01) |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET EARNINGS PER SHARE (BASIC) | 0.73 | 2.71 | 4.26 | 6.22 | (0.48) | (7.48) | 7.01 | 2.38 | (1.81) | (1.60) |
| Income from continuing operations | 0.72 | 2.72 | 4.23 | 6.14 | (0.47) | (7.43) | 0.52 | 2.37 | (1.81) | (1.59) |
| Income from discontinued operations | 0.00 | (0.02) | (0.01) | (0.01) | (0.01) | (0.05) | 6.46 | (0.01) | 0.00 | (0.01) |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET EARNINGS PER SHARE (DILUTED) | 0.72 | 2.70 | 4.22 | 6.13 | (0.48) | (7.48) | 6.98 | 2.36 | (1.81) | (1.60) |
| Weighted Average Shares Outstanding (Basic) | 143.12 | 150.01 | 155.23 | 155.28 | 154.29 | 153.51 | 163.99 | 172.97 | 172.52 | 172.17 |
| Weighted Average Shares Outstanding (Diluted) | 144.03 | 151.03 | 156.65 | 157.48 | 154.29 | 153.51 | 164.81 | 174.21 | 172.52 | 172.17 |