XML 113 R86.htm IDEA: XBRL DOCUMENT v3.25.2
Derivatives (Effect of Commodity Derivative Instruments in Statements of Income) (Detail) - Commodity derivatives - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) $ 32 $ (49) $ (33) $ (123)
Sales and other operating revenues        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) 0 (2) 0 (2)
Cost of revenues        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) 31 (46) (36) (120)
Other income        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) $ 1 $ (1) $ 3 $ (1)