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INCOME TAXES - Effective Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Percentage      
U.S. federal statutory tax rate 21.00% 21.00% 21.00%
State and local income tax, net of federal income tax effect 1.00% 0.00% 0.00%
Effect of cross-border tax laws 0.00% 0.00% 0.00%
Tax credits (1.00%) (1.00%) 0.00%
Changes in valuation allowance 0.00% 0.00% 0.00%
Changes in unrecognized tax benefits 5.00% 3.00% 2.00%
Worldwide effective tax rate 33.00% 29.00% 28.00%
Amount      
U.S. federal statutory tax rate $ 657 $ 845 $ 979
State and local income tax, net of federal income tax effect 24 5 13
Effect of cross-border tax laws 10 1 4
Tax credits (15) (21) (22)
Changes in valuation allowance 2 2 0
Changes in unrecognized tax benefits 144 136 105
Worldwide effective tax rate $ 1,021 $ 1,158 $ 1,330
Algeria      
Percentage      
Tax rate differential 1.00% 1.00% 1.00%
Change in tax law or rate 0.00% 0.00% 1.00%
Nontaxable or nondeductible items 1.00% 1.00% 2.00%
Other adjustments 0.00% 1.00% 0.00%
Amount      
Tax rate differential $ 36 $ 47 $ 71
Change in tax law or rate 0 0 65
Nontaxable or nondeductible items 23 20 84
Other adjustments $ 7 $ 20 $ (3)
Canada      
Percentage      
Other adjustments (1.00%) 0.00% (1.00%)
Amount      
Other adjustments $ (16) $ (7) $ (54)
Oman      
Percentage      
Tax rate differential 7.00% 5.00% 4.00%
Other adjustments 1.00% 0.00% 0.00%
Amount      
Tax rate differential $ 201 $ 203 $ 209
Other adjustments $ 34 $ 4 $ (3)
Qatar      
Percentage      
Tax rate differential 1.00% 1.00% 1.00%
Other adjustments 0.00% 0.00% 0.00%
Amount      
Tax rate differential $ 33 $ 28 $ 37
Other adjustments $ (9) $ 8 $ (14)
United Arab Emirates      
Percentage      
Tax rate differential (5.00%) (3.00%) (2.00%)
Amount      
Tax rate differential $ (143) $ (105) $ (94)
Other foreign jurisdictions      
Percentage      
Other adjustments 1.00% 0.00% 0.00%
Amount      
Other adjustments $ 30 $ (5) $ (11)
United States      
Percentage      
Change in tax law or rate 0.00% 0.00% 0.00%
Nontaxable or nondeductible items 1.00% 1.00% 0.00%
Other adjustments 0.00% (1.00%) (1.00%)
Amount      
Change in tax law or rate $ 0 $ 0 $ 0
Nontaxable or nondeductible items 16 29 20
Other adjustments $ (13) $ (52) $ (56)