Goodwill and Intangible Assets, net - Goodwill Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Beginning Balance	$ 1,477	$ 1,599
Goodwill related to acquisition		16
Goodwill, Written off Related to Sale of Business Unit		(138)
Ending Balance	3,026	1,477
Fuel Distribution
Goodwill [Roll Forward]
Beginning Balance	1,240	1,362
Goodwill related to acquisition		16
Goodwill, Written off Related to Sale of Business Unit		(138)
Ending Balance	2,325	1,240
Pipeline Systems
Goodwill [Roll Forward]
Beginning Balance	0	0
Goodwill related to acquisition		0
Goodwill, Written off Related to Sale of Business Unit		0
Ending Balance	38	0
Terminals
Goodwill [Roll Forward]
Beginning Balance	237	237
Goodwill related to acquisition		0
Goodwill, Written off Related to Sale of Business Unit		0
Ending Balance	237	237
Refinery
Goodwill [Roll Forward]
Beginning Balance	0	0
Goodwill related to acquisition		0
Goodwill, Written off Related to Sale of Business Unit		0
Ending Balance	426	$ 0
Other
Goodwill [Roll Forward]
Goodwill related to acquisition	21
Other | Fuel Distribution
Goodwill [Roll Forward]
Goodwill related to acquisition	15
Other | Pipeline Systems
Goodwill [Roll Forward]
Goodwill related to acquisition	0
Other | Terminals
Goodwill [Roll Forward]
Goodwill related to acquisition	0
Other | Refinery
Goodwill [Roll Forward]
Goodwill related to acquisition	6
Parkland Acquisition
Goodwill [Roll Forward]
Goodwill related to acquisition	1,528
Parkland Acquisition | Fuel Distribution
Goodwill [Roll Forward]
Goodwill related to acquisition	1,070
Parkland Acquisition | Pipeline Systems
Goodwill [Roll Forward]
Goodwill related to acquisition	38
Parkland Acquisition | Refinery
Goodwill [Roll Forward]
Goodwill related to acquisition	$ 420