Segment Reporting (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenues		$ 25,201	$ 22,693	$ 23,068
Interest expense, net		(541)	(391)	(217)
Non-cash unit-based compensation expense		19	17	17
Income tax expense		62	175	36
Depreciation, amortization and accretion		688	368	187
Interest expense, net		541	391	217
Non-cash unit-based compensation expense		(19)	(17)	(17)
Unrealized gain on commodity derivatives		(11)	12	(21)
Equity in earnings of unconsolidated affiliates		(143)	(60)	(5)
Adjusted EBITDA related to unconsolidated affiliates		221	101	10
Loss on extinguishment of debt		31	2	0
Inventory valuation adjustments		156	86	114
Other non-cash adjustments		(38)	32	22
Adjusted EBITDA		2,047	1,457	964
General and administrative		296	277	126
Other Nonoperating Income (Expense)		83	5	7
Gain on West Texas Sale		0	(586)	0
Property, Plant and Equipment, Additions		577	344	215
Segments, Geographical Areas [Abstract]
Net income (loss) and comprehensive income (loss)		527	874	394
Gain (Loss) on Sale of Assets and Asset Impairment Charges		(6)	45	(7)
UNITED STATES
Segment Reporting Information [Line Items]
Revenues		22,495	22,649	23,068
Foreign
Segment Reporting Information [Line Items]
Revenues		1,003	44	0
CANADA
Segment Reporting Information [Line Items]
Revenues		1,703	0	0
Excluding non-cash compensation
Segment Reporting Information [Line Items]
Operating expenses, excluding non-cash compensation		874	611	419
General and administrative		282	266	114
Includes Adjusted EBITDA from unconsolidated affiliates, unrealized gains and losses on commodity derivatives, inventory valuation adjustments and other less significant items
Segment Reporting Information [Line Items]
Other Nonoperating Income (Expense)	[1]	(411)	(236)	(132)
External Revenue [Member]
Segment Reporting Information [Line Items]
Revenues		25,201	22,693	23,068
Fuel Distribution
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions		339	231	182
Pipeline Systems
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions		87	44	5
Terminals
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions		124	69	28
Refinery
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions		27	0	0
Operating Segments [Member] | Fuel Distribution
Segment Reporting Information [Line Items]
Revenues		23,933	21,822	22,986
Adjusted EBITDA		990	908	865
Operating Segments [Member] | Fuel Distribution | Excluding non-cash compensation
Segment Reporting Information [Line Items]
Operating expenses, excluding non-cash compensation		492	325	350
General and administrative		206	88	113
Operating Segments [Member] | Fuel Distribution | Includes Adjusted EBITDA from unconsolidated affiliates, unrealized gains and losses on commodity derivatives, inventory valuation adjustments and other less significant items
Segment Reporting Information [Line Items]
Other Nonoperating Income (Expense)	[1]	(174)	(134)	(103)
Operating Segments [Member] | Fuel Distribution | External Revenue [Member]
Segment Reporting Information [Line Items]
Revenues		23,862	21,781	22,955
Operating Segments [Member] | Pipeline Systems
Segment Reporting Information [Line Items]
Revenues		751	565	1
Adjusted EBITDA		718	377	11
Operating Segments [Member] | Pipeline Systems | Excluding non-cash compensation
Segment Reporting Information [Line Items]
Operating expenses, excluding non-cash compensation		196	136	2
General and administrative		42	123	0
Operating Segments [Member] | Pipeline Systems | Includes Adjusted EBITDA from unconsolidated affiliates, unrealized gains and losses on commodity derivatives, inventory valuation adjustments and other less significant items
Segment Reporting Information [Line Items]
Other Nonoperating Income (Expense)	[1]	(218)	(101)	(10)
Operating Segments [Member] | Pipeline Systems | External Revenue [Member]
Segment Reporting Information [Line Items]
Revenues		729	562	1
Operating Segments [Member] | Terminals
Segment Reporting Information [Line Items]
Revenues		1,404	1,335	485
Adjusted EBITDA		299	172	88
Operating Segments [Member] | Terminals | Excluding non-cash compensation
Segment Reporting Information [Line Items]
Operating expenses, excluding non-cash compensation		181	150	67
General and administrative		33	55	1
Operating Segments [Member] | Terminals | Includes Adjusted EBITDA from unconsolidated affiliates, unrealized gains and losses on commodity derivatives, inventory valuation adjustments and other less significant items
Segment Reporting Information [Line Items]
Other Nonoperating Income (Expense)	[1]	(13)	(1)	(19)
Operating Segments [Member] | Terminals | External Revenue [Member]
Segment Reporting Information [Line Items]
Revenues		433	350	112
Operating Segments [Member] | Refinery
Segment Reporting Information [Line Items]
Revenues		474	0	0
Adjusted EBITDA		40	0	0
Operating Segments [Member] | Refinery | Excluding non-cash compensation
Segment Reporting Information [Line Items]
Operating expenses, excluding non-cash compensation		5	0	0
General and administrative		1	0	0
Operating Segments [Member] | Refinery | Includes Adjusted EBITDA from unconsolidated affiliates, unrealized gains and losses on commodity derivatives, inventory valuation adjustments and other less significant items
Segment Reporting Information [Line Items]
Other Nonoperating Income (Expense)	[1]	(6)	0	0
Operating Segments [Member] | Refinery | External Revenue [Member]
Segment Reporting Information [Line Items]
Revenues		177	0	0
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues		(1,361)	(1,029)	(404)
Intersegment Sales [Member] | Operating Segments [Member] | Fuel Distribution
Segment Reporting Information [Line Items]
Revenues		71	41	31
Intersegment Sales [Member] | Operating Segments [Member] | Pipeline Systems
Segment Reporting Information [Line Items]
Revenues		22	3	0
Intersegment Sales [Member] | Operating Segments [Member] | Terminals
Segment Reporting Information [Line Items]
Revenues		971	985	373
Intersegment Sales [Member] | Operating Segments [Member] | Refinery
Segment Reporting Information [Line Items]
Revenues		$ 297	$ 0	$ 0

[1] (1) Other by segment includes Adjusted EBITDA from unconsolidated affiliates, unrealized gains and losses on commodity derivatives, inventory valuation adjustments and other less significant items, as applicable.