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SUPPLEMENTAL OIL AND GAS DISCLOSURES (Unaudited) - Oil and Gas Reserve Information (Details)
MBoe in Thousands
12 Months Ended
Dec. 31, 2022
MBoe
MMcf
MBbls
Dec. 31, 2021
MBoe
MBbls
MMcf
Dec. 31, 2020
MBoe
MMcf
MBbls
Dec. 31, 2019
MBoe
MBbls
MMcf
Reserve Quantities [Line Items]        
Proved developed reserves 780,319 827,772 797,843 892,816
Proved undeveloped reserves 75,183 85,190 75,840 117,972
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 912,962 873,683 1,010,788  
Extensions, discoveries and other additions 33,805 101,619 78,303  
Purchases of minerals in-place 1,020 457    
Revisions of previous estimates 74,894 107,038 (44,910)  
Production (141,179) (141,642) (160,945)  
Sales of minerals in-place (26,000) (28,193) (9,553)  
Ending balance 855,502 912,962 873,683  
United States        
Reserve Quantities [Line Items]        
Proved developed reserves 509,827 551,384 532,994 594,595
Proved undeveloped reserves 63,115 65,288 53,408 89,458
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 616,672 586,402 684,053  
Extensions, discoveries and other additions 21,592 76,871 39,454  
Purchases of minerals in-place 1,020 457    
Revisions of previous estimates 33,588 64,847 (33,854)  
Production (73,930) (83,712) (93,698)  
Sales of minerals in-place (26,000) (28,193) (9,553)  
Ending balance 572,942 616,672 586,402  
Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves 174,633 184,563 164,870 176,470
Proved undeveloped reserves 8,735 12,683 13,449 15,038
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 197,246 178,319 191,508  
Extensions, discoveries and other additions 9,278 21,765 31,905  
Purchases of minerals in-place 0 0    
Revisions of previous estimates 29,647 39,071 (502)  
Production (52,803) (41,909) (44,592)  
Sales of minerals in-place 0 0 0  
Ending balance 183,368 197,246 178,319  
North Sea        
Reserve Quantities [Line Items]        
Proved developed reserves 95,859 91,825 99,979 121,751
Proved undeveloped reserves 3,333 7,219 8,983 13,476
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 99,044 108,962 135,227  
Extensions, discoveries and other additions 2,935 2,983 6,944  
Purchases of minerals in-place 0 0    
Revisions of previous estimates 11,659 3,120 (10,554)  
Production (14,446) (16,021) (22,655)  
Sales of minerals in-place 0 0 0  
Ending balance 99,192 99,044 108,962  
Noncontrolling Interests | Egypt        
Proved Developed and Undeveloped Reserves [Roll Forward]        
Proved developed reserves (Energy) | MBoe 99 66 59 64
Crude Oil and Condensate        
Reserve Quantities [Line Items]        
Proved developed reserves 359,447 364,687 389,483 483,430
Proved undeveloped reserves 27,651 34,928 44,017 67,596
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 399,615 433,500 551,026  
Extensions, discoveries and other additions 19,972 33,547 40,988  
Purchases of minerals in-place 522 126    
Revisions of previous estimates 41,501 18,188 (71,462)  
Production (67,087) (66,364) (78,331)  
Sales of minerals in-place (7,425) (19,382) (8,721)  
Ending balance 387,098 399,615 433,500  
Crude Oil and Condensate | United States        
Reserve Quantities [Line Items]        
Proved developed reserves 168,817 180,968 206,936 278,145
Proved undeveloped reserves 16,221 18,168 25,516 46,716
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 199,136 232,452 324,861  
Extensions, discoveries and other additions 9,776 17,869 17,858  
Purchases of minerals in-place 522 126    
Revisions of previous estimates 7,170 (4,479) (69,247)  
Production (24,141) (27,450) (32,299)  
Sales of minerals in-place (7,425) (19,382) (8,721)  
Ending balance 185,038 199,136 232,452  
Crude Oil and Condensate | Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves 108,050 106,646 95,981 103,573
Proved undeveloped reserves 8,557 11,003 11,228 10,831
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 117,649 107,209 114,404  
Extensions, discoveries and other additions 7,580 13,390 17,855  
Purchases of minerals in-place 0 0    
Revisions of previous estimates 22,433 22,727 2,541  
Production (31,055) (25,677) (27,591)  
Sales of minerals in-place 0 0 0  
Ending balance 116,607 117,649 107,209  
Crude Oil and Condensate | North Sea        
Reserve Quantities [Line Items]        
Proved developed reserves 82,580 77,073 86,566 101,712
Proved undeveloped reserves 2,873 5,757 7,273 10,049
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 82,830 93,839 111,761  
Extensions, discoveries and other additions 2,616 2,288 5,275  
Purchases of minerals in-place 0 0    
Revisions of previous estimates 11,898 (60) (4,756)  
Production (11,891) (13,237) (18,441)  
Sales of minerals in-place 0 0 0  
Ending balance 85,453 82,830 93,839  
Crude Oil and Condensate | Noncontrolling Interests | Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves 62,000 39,000 36,000 38,000
Natural Gas Liquids        
Reserve Quantities [Line Items]        
Proved developed reserves 155,229 166,677 153,368 161,778
Proved undeveloped reserves 15,474 16,685 15,587 24,319
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 183,362 168,955 186,097  
Extensions, discoveries and other additions 5,501 21,143 11,844  
Purchases of minerals in-place 233 191    
Revisions of previous estimates 10,281 22,862 (412)  
Production (22,334) (24,806) (28,118)  
Sales of minerals in-place (6,340) (4,983) (456)  
Ending balance 170,703 183,362 168,955  
Natural Gas Liquids | United States        
Reserve Quantities [Line Items]        
Proved developed reserves 152,999 164,172 150,599 158,794
Proved undeveloped reserves 15,398 16,380 15,141 23,569
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 180,552 165,740 182,363  
Extensions, discoveries and other additions 5,456 21,055 11,435  
Purchases of minerals in-place 233 191    
Revisions of previous estimates 10,355 22,724 (469)  
Production (21,859) (24,175) (27,133)  
Sales of minerals in-place (6,340) (4,983) (456)  
Ending balance 168,397 180,552 165,740  
Natural Gas Liquids | Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves 0 446 716 667
Proved undeveloped reserves 0 30 126 90
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 476 842 757  
Extensions, discoveries and other additions 0 7 97  
Purchases of minerals in-place 0 0    
Revisions of previous estimates (407) (180) 264  
Production (69) (193) (276)  
Sales of minerals in-place 0 0 0  
Ending balance 0 476 842  
Natural Gas Liquids | North Sea        
Reserve Quantities [Line Items]        
Proved developed reserves 2,230 2,059 2,053 2,317
Proved undeveloped reserves 76 275 320 660
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance 2,334 2,373 2,977  
Extensions, discoveries and other additions 45 81 312  
Purchases of minerals in-place 0 0    
Revisions of previous estimates 333 318 (207)  
Production (406) (438) (709)  
Sales of minerals in-place 0 0 0  
Ending balance 2,306 2,334 2,373  
Natural Gas Liquids | Noncontrolling Interests | Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves   159 281 252
Natural Gas        
Reserve Quantities [Line Items]        
Proved developed reserves | MMcf 1,593,860 1,778,442 1,529,950 1,485,649
Proved undeveloped reserves | MMcf 192,348 201,464 97,417 156,348
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance | MMcf 1,979,906 1,627,367 1,641,997  
Extensions, discoveries and other additions | MMcf 49,991 281,577 152,823  
Purchases of minerals in-place | MMcf 1,592 839    
Revisions of previous estimates | MMcf 138,675 395,924 161,776  
Production | MMcf (310,546) (302,833) (326,974)  
Sales of minerals in-place | MMcf (73,410) (22,968) (2,255)  
Ending balance | MMcf 1,786,208 1,979,906 1,627,367  
Natural Gas | United States        
Reserve Quantities [Line Items]        
Proved developed reserves | MMcf 1,128,066 1,237,461 1,052,756 945,938
Proved undeveloped reserves | MMcf 188,976 184,441 76,504 115,040
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance | MMcf 1,421,902 1,129,260 1,060,978  
Extensions, discoveries and other additions | MMcf 38,157 227,684 60,965  
Purchases of minerals in-place | MMcf 1,592 839    
Revisions of previous estimates | MMcf 96,381 279,610 215,166  
Production | MMcf (167,580) (192,523) (205,594)  
Sales of minerals in-place | MMcf (73,410) (22,968) (2,255)  
Ending balance | MMcf 1,317,042 1,421,902 1,129,260  
Natural Gas | Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves | MMcf 399,502 464,826 409,035 433,382
Proved undeveloped reserves | MMcf 1,068 9,899 12,572 24,704
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance | MMcf 474,725 421,607 458,086  
Extensions, discoveries and other additions | MMcf 10,191 50,209 83,718  
Purchases of minerals in-place 0 0    
Revisions of previous estimates 45,725 99,143 (19,849)  
Production (130,071) (96,234) (100,348)  
Sales of minerals in-place 0 0 0  
Ending balance | MMcf 400,570 474,725 421,607  
Natural Gas | North Sea        
Reserve Quantities [Line Items]        
Proved developed reserves | MMcf 66,292 76,155 68,159 106,329
Proved undeveloped reserves | MMcf 2,304 7,124 8,341 16,604
Proved Developed and Undeveloped Reserves [Roll Forward]        
Beginning balance | MMcf 83,279 76,500 122,933  
Extensions, discoveries and other additions | MMcf 1,643 3,684 8,140  
Purchases of minerals in-place 0 0    
Revisions of previous estimates (3,431) 17,171 (33,541)  
Production (12,895) (14,076) (21,032)  
Sales of minerals in-place 0 0 0  
Ending balance | MMcf 68,596 83,279 76,500  
Natural Gas | Noncontrolling Interests | Egypt        
Reserve Quantities [Line Items]        
Proved developed reserves | MMcf 224,000 158,000 141,000 153,000