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Derivative Instruments and Hedging Activities (Details) € in Millions, bbl in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($) bbl	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) bbl	Sep. 30, 2025 USD ($)	Sep. 30, 2026 EUR (€) bbl
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl	4.5		4.5		4.5
Unrealized Gain (Loss) on Derivatives			$ 23
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 64	$ (6)	69	$ 22
TanQuid
Derivative [Line Items]
Derivative, Notional Amount	216		216		€ 191
Interest Rate Swap \| Not Designated as Hedging Instrument \| December 2030
Derivative [Line Items]
Derivative, Notional Amount	$ 216		$ 216
Derivative, Fixed Interest Rate	2.5095%		2.5095%		2.5095%
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Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 58	(6)	$ 61	22
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Derivative [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 6	$ 0	$ 8	$ 0