Acquisitions, Divestitures and Other Transactions - Summary of Acquisitions (Details) € in Millions, $ in Millions						12 Months Ended
		Oct. 31, 2025 USD ($)	May 03, 2024 USD ($)	Mar. 13, 2024 USD ($)	Mar. 13, 2024 EUR (€)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Combination [Line Items]
Operating lease right-of-use assets, net						$ 1,449	$ 477
Goodwill						3,026	1,477	$ 1,599
Business Combination, Pro Forma Information, Pro Forma Revenue						41,457	43,696
Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax						313	$ (12)
Zenith European Terminals acquisition
Business Combination [Line Items]
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment				$ 204
Business Combination, Recognized Liability Assumed, Liability, Current				(14)
Business Combination, Recognized Liability Assumed, Deferred Tax Liability				(4)
Business Combination, Consideration Transferred				185	€ 170
Purchase price				191
Business Combination, Bargain Purchase, Gain Recognized, Amount				(6)
Business Combination, Recognized Asset Acquired, Other Asset, Current				6
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent				36
Business Combination, Recognized Asset Acquired, Deferred Tax Asset				6
Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent				$ (43)
Parkland Acquisition
Business Combination [Line Items]
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment		$ 5,612
Operating lease right-of-use assets, net		731
Goodwill	[1]	1,528
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived	[2]	1,871
Business Combination, Recognized Liability Assumed, Liability, Current		(2,490)
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent		3,797
Business Combination, Recognized Liability Assumed, Lease Obligation		731
Business Combination, Recognized Liability Assumed, Deferred Tax Liability		(965)
Business Combination, Recognized Liability Assumed, Liability		8,358				$ 3,650
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent		(464)
Business Combination, Consideration Transferred		4,551
Purchase price		5,015
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent		266
Business Combination, Recognized Asset Acquired, Asset		13,373
Business Combination, Recognized Asset Acquired, Deferred Tax Asset		210
Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent		(375)
Business Combination, Recognized Asset Acquired, Asset, Current		2,814
Business Combination, Recognized Asset Acquired, Financial Asset		$ 341
NuStar Acquisition
Business Combination [Line Items]
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment			$ 6,958
Operating lease right-of-use assets, net			136
Goodwill	[3]		16
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived	[4]		195
Business Combination, Recognized Liability Assumed, Liability, Current			(245)
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent	[5]		3,500
Business Combination, Recognized Liability Assumed, Lease Obligation			136
Business Combination, Recognized Liability Assumed, Deferred Tax Liability			(4)
Business Combination, Recognized Liability Assumed, Liability			3,967
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent			(27)
Business Combination, Consideration Transferred			2,823
Purchase price			2,850
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent			127
Business Combination, Recognized Asset Acquired, Asset			7,618
Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent			(82)
Business Combination, Recognized Asset Acquired, Asset, Current			186
Business Combination, Recognized Liability Assumed, Financial Liability	[5]		$ 801

[1] Goodwill represents expected commercial and operational synergies. Approximately $660 million of the goodwill recorded as a result of this transaction is expected to be deductible for IRC Sec. 951A GILTI and foreign earnings and profits purposes. The goodwill is not deductible for non-US jurisdictions.

[2] Intangible assets, net comprised of $1.49 billion of customer relationships, with a remaining weighted average life of approximately 20 years, $297 million of indefinite-lived tradenames, and $85 million of other intangibles with a remaining weighted average life of approximately 10 years.

[3] Goodwill primarily represents expected commercial and operational synergies. None of the goodwill recorded as a result of this transaction is deductible for tax purposes. Goodwill of $16 million relates to Sunoco’s Fuel Distribution segment.

[4] Intangible assets, net comprised $151 million of favorable contracts, with a remaining weighted average life of approximately 7 years, and $44 million of customer relationships with a remaining weighted average life of approximately 15 years.

[5] Subsequent to the closing of the NuStar Acquisition, the Partnership redeemed all outstanding NuStar preferred units, totaling $784 million, redeemed NuStar's subordinated notes totaling $403 million and repaid and terminated the NuStar credit facility totaling $455 million.