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Price Risk Management Activities (Details) bu in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($) MBbls bu	Mar. 31, 2025 USD ($)
Price Risk Management Activities (Textual)
Compliance program costs \| $	$ 26,185	$ 26,048
Renewable and Low-Carbon Fuel Programs [Member]
Price Risk Management Activities (Textual)
Compliance program costs \| $	$ 653	$ 332
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	2,071
Derivatives Designated as Economic Hedges [Member] \| Foreign Exchange Contract, US Dollars [Member]
Price Risk Management Activities (Textual)
Monetary notional amount of derivative liabilities \| $	$ 530
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	186,476
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	180,088
Derivatives Designated as Economic Hedges [Member] \| Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] \| Options, 2026 Maturity [Member] \| Long [Member]
Volume of Outstanding Contracts
Nonmonetary notional amount of price risk derivatives, volume	100
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	112,600
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	55,960
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	55,130