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Derivative Instruments and Hedging Activities (Details) € in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) bbl	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) bbl	Jun. 30, 2025 USD ($)	Jun. 30, 2026 EUR (€) bbl
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (83)	$ 14	$ 5	$ 28
Derivative, Nonmonetary Notional Amount \| bbl	6,900,000		6,900,000		6,900,000
Unrealized Gain (Loss) on Derivatives			$ 63
TanQuid
Derivative [Line Items]
Derivative, Notional Amount	$ 126		126		€ 111
Interest Rate Swap \| Not Designated as Hedging Instrument \| December 2030
Derivative [Line Items]
Derivative, Notional Amount	$ 126		$ 126
Derivative, Fixed Interest Rate	2.5095%		2.5095%		2.5095%
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Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (85)	14	$ 3	28
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Derivative [Line Items]
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments	$ 2	$ 0	$ 2	$ 0