Goodwill - Changes in Carrying Value of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill [Line Items]
Beginning balance	$ 7,970	$ 7,341
Acquisitions	6,887	698
Adjustments during measurement period	(2)	9
Disposals	(5)	(13)
Foreign currency translation adjustments	237	(65)
Ending balance	15,087	7,970
Retail
Goodwill [Line Items]
Beginning balance	5,436	4,870
Acquisitions	3,557	671
Adjustments during measurement period	(3)	(37)
Disposals	(5)	(13)
Foreign currency translation adjustments	188	(55)
Ending balance	9,173	5,436
Specialty Distribution
Goodwill [Line Items]
Beginning balance	2,534	2,471
Acquisitions	3,330	27
Adjustments during measurement period	1	46
Disposals	0	0
Foreign currency translation adjustments	49	(10)
Ending balance	$ 5,914	$ 2,534