v3.25.4
Inventory, Linefill and Long-term Inventory - Components of Inventory, Linefill and Long-term Inventory (Details)
bbl in Thousands, $ in Millions
Dec. 31, 2025
USD ($)
$ / bbl
bbl
Dec. 31, 2024
USD ($)
$ / bbl
bbl
Inventory by category    
Inventory subtotal, Carrying Value $ 211 $ 261
Linefill subtotal, Carrying Value 900 904
Long-term inventory subtotal, Carrying Value 214 242
Total $ 1,325 $ 1,407
Crude oil    
Inventory by category    
Inventory, Volumes (in barrels) | bbl 2,948 3,321
Linefill, Volumes (in barrels) | bbl 15,112 15,463
Long-term inventory, Volumes (in barrels) | bbl 3,724 3,413
Inventory subtotal, Carrying Value $ 166 $ 221
Linefill subtotal, Carrying Value 898 903
Long-term inventory subtotal, Carrying Value $ 213 $ 238
Inventory (Price/Unit of measure) (in dollars per unit) | $ / bbl 56.31 66.55
Linefill (Price/Unit of measure) (in dollars per unit) | $ / bbl 59.42 58.40
Long-term inventory (Price/Unit of measure) (in dollars per unit) | $ / bbl 57.20 69.73
NGL    
Inventory by category    
Inventory, Volumes (in barrels) | bbl 562 603
Linefill, Volumes (in barrels) | bbl 33 32
Long-term inventory, Volumes (in barrels) | bbl 26 90
Inventory subtotal, Carrying Value $ 27 $ 26
Linefill subtotal, Carrying Value 2 1
Long-term inventory subtotal, Carrying Value $ 1 $ 4
Inventory (Price/Unit of measure) (in dollars per unit) | $ / bbl 48.04 43.12
Linefill (Price/Unit of measure) (in dollars per unit) | $ / bbl 60.61 31.25
Long-term inventory (Price/Unit of measure) (in dollars per unit) | $ / bbl 38.46 44.44
Other    
Inventory by category    
Inventory subtotal, Carrying Value $ 18 $ 14