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Acquisitions, Divestitures and Other Transactions (Details) € in Millions, $ in Millions			3 Months Ended
	Jan. 16, 2026 USD ($)	Jan. 16, 2026 EUR (€)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Jan. 16, 2026 EUR (€)	Dec. 31, 2025 USD ($)
Asset Acquisition [Line Items]
Units issued in acquisition				$ 5
Operating lease right-of-use assets, net			$ 1,518			$ 1,449
Common Unitholders
Asset Acquisition [Line Items]
Units issued in acquisition				$ 5
TanQuid
Asset Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 194
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent	346				€ 298
Business Combination, Recognized Asset Acquired, Asset, Current	65
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment	639
Operating lease right-of-use assets, net	59
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent	1
Business Combination, Recognized Asset Acquired, Asset	764
Business Combination, Recognized Liability Assumed, Liability, Current	9
Business Combination, Recognized Liability Assumed, Lease Obligation	66
Business Combination, Recognized Liability Assumed, Deferred Tax Liability	62
Business Combination, Recognized Liability Assumed, Liability, Noncurrent	42
Business Combination, Recognized Liability Assumed, Liability	525
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill	239
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent	45
Payments to Acquire Businesses, Gross	239	€ 206
TanQuid \| Fair Value of debt assumed
Asset Acquisition [Line Items]
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent	$ 346
TanQuid \| GERMANY
Asset Acquisition [Line Items]
Number of fuel terminals	15	15
TanQuid \| POLAND
Asset Acquisition [Line Items]
Number of fuel terminals	one	one
Other Acquisitions
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross			$ 50