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Price Risk Management Activities, Volumes and Narrative (Details) bu in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) bu MBbls	Sep. 30, 2025 USD ($)
Price Risk Management Activities (Textual)
Compliance program costs \| $	$ 32,741	$ 26,132	$ 94,056	$ 76,858
Renewable and Low-Carbon Fuel Programs [Member]
Price Risk Management Activities (Textual)
Compliance program costs \| $	658	$ 431	$ 2,000	$ 1,200
Derivatives Designated as Hedges [Member] \| Cash Flow Hedges [Member] \| Refined Petroleum Products (in thousands of barrels) [Member] \| Futures, 2026 Maturity [Member] \| Short [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| MBbls			1,800
Derivatives Designated as Hedges [Member] \| Cash Flow Hedges [Member] \| Refined Petroleum Products (in thousands of barrels) [Member] \| Futures, 2027 Maturity [Member] \| Short [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| MBbls			1,544
Derivatives Designated as Economic Hedges [Member] \| Foreign Currency Contracts [Member]
Price Risk Management Activities (Textual)
Monetary notional amount of derivative liabilities \| $	$ 675		$ 675
Derivatives Designated as Economic Hedges [Member] \| Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] \| Futures, 2026 Maturity [Member] \| Short [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| MBbls			130,678
Derivatives Designated as Economic Hedges [Member] \| Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] \| Futures, 2026 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| MBbls			129,486
Derivatives Designated as Economic Hedges [Member] \| Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] \| Futures, 2027 Maturity [Member] \| Short [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| MBbls			10,745
Derivatives Designated as Economic Hedges [Member] \| Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] \| Futures, 2027 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| MBbls			9,709
Derivatives Designated as Economic Hedges [Member] \| Corn (in thousands of bushels) [Member] \| Futures, 2026 Maturity [Member] \| Short [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| bu			180,355
Derivatives Designated as Economic Hedges [Member] \| Corn (in thousands of bushels) [Member] \| Futures, 2026 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| bu			137,710
Derivatives Designated as Economic Hedges [Member] \| Corn (in thousands of bushels) [Member] \| Physical Contracts, 2026 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| bu			42,000
Derivatives Designated as Economic Hedges [Member] \| Corn (in thousands of bushels) [Member] \| Futures, 2027 Maturity [Member] \| Short [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| bu			28,285
Derivatives Designated as Economic Hedges [Member] \| Corn (in thousands of bushels) [Member] \| Futures, 2027 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| bu			1,970
Derivatives Designated as Economic Hedges [Member] \| Corn (in thousands of bushels) [Member] \| Physical Contracts, 2027 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume \| bu			27,408