Derivatives (Open Commodity Derivative Contracts) (Details) - Exchange Traded bbl in Thousands	12 Months Ended
	Dec. 31, 2022 bbl
Crude oil
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	65.10%
Crude oil | Long
Derivative [Line Items]
Notional contracts (contract volumes)	69,275	[1]
Crude oil | Long | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	29,651
Crude oil | Short
Derivative [Line Items]
Notional contracts (contract volumes)	82,639	[1]
Crude oil | Short | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	29,876
Refined products
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	76.60%
Refined products | Long
Derivative [Line Items]
Notional contracts (contract volumes)	16,669	[1]
Refined products | Long | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	1,390
Refined products | Short
Derivative [Line Items]
Notional contracts (contract volumes)	9,226	[1]
Refined products | Short | Spread contracts
Derivative [Line Items]
Notional contracts (contract volumes)	25
Blending products
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	98.80%
Blending products | Long
Derivative [Line Items]
Notional contracts (contract volumes)	1,443	[1]
Blending products | Short
Derivative [Line Items]
Notional contracts (contract volumes)	4,885	[1]
Soybean oil
Derivative [Line Items]
Percentage of derivative contracts expiring next quarter	53.50%
Soybean oil | Long
Derivative [Line Items]
Notional contracts (contract volumes)	2,103
Soybean oil | Short
Derivative [Line Items]
Notional contracts (contract volumes)	2,623

[1] Included in exchange-traded are spread contracts in thousands of barrels: Crude oil - 29,651 long and 29,876 short; Refined products - 1,390 long and 25 short. There are no spread contracts for blending products or soybean oil.