Derivatives (Open Commodity Derivative Contracts) (Details) - Exchange Traded bbl in Thousands	12 Months Ended
	Dec. 31, 2024 bbl
Crude oil
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	54.50%
Crude oil | Long
Derivative [Line Items]
Notional contracts (contract volumes)	47,351	[1]
Crude oil | Long | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	15,975
Crude oil | Short
Derivative [Line Items]
Notional contracts (contract volumes)	43,785	[1]
Crude oil | Short | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	15,455
Refined products
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	82.30%
Refined products | Long
Derivative [Line Items]
Notional contracts (contract volumes)	18,086	[1]
Refined products | Long | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	545
Refined products | Short
Derivative [Line Items]
Notional contracts (contract volumes)	21,973	[1]
Refined products | Short | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	325
Blending products
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	93.50%
Blending products | Long
Derivative [Line Items]
Notional contracts (contract volumes)	6,061	[1]
Blending products | Short
Derivative [Line Items]
Notional contracts (contract volumes)	6,121	[1]
Soybean oil
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	97.90%
Soybean oil | Long
Derivative [Line Items]
Notional contracts (contract volumes)	2,295
Soybean oil | Short
Derivative [Line Items]
Notional contracts (contract volumes)	2,888

[1] Included in exchange-traded are spread contracts in thousands of barrels: Crude oil - 15,975 long and 15,455 short; Refined products - 545 long and 325 short and Blending products - 158 long. There are no spread contracts for soybean oil.