Goodwill - Schedule of changes in the carrying amount of goodwill (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	$ 11,061	$ 9,158
Acquisitions	1,820	2,144
Foreign currency translation adjustment	228	(166)
Impairment charge for the year		(72)
Divestitures	(10)	(204)
Reclassified from held for sale		201
Carrying value of goodwill ending balance	13,099	11,061
Americas Materials Solutions
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	5,803	4,417
Acquisitions	1,144	1,426
Foreign currency translation adjustment	24	(40)
Impairment charge for the year		0
Divestitures	(7)	0
Reclassified from held for sale		0
Carrying value of goodwill ending balance	6,964	5,803
Americas Building Solutions
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	3,070	2,752
Acquisitions	188	333
Foreign currency translation adjustment	70	(12)
Impairment charge for the year		0
Divestitures	0	(3)
Reclassified from held for sale		0
Carrying value of goodwill ending balance	3,328	3,070
International Solutions
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	2,188	1,989
Acquisitions	488	385
Foreign currency translation adjustment	134	(114)
Impairment charge for the year		(72)
Divestitures	(3)	(201)
Reclassified from held for sale		201
Carrying value of goodwill ending balance	$ 2,807	$ 2,188

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