Goodwill - Schedule of changes in the carrying amount of goodwill (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	$ 9,158	$ 9,199
Acquisitions	2,144	398
Foreign currency translation adjustment	(166)	89
Impairment charge for the year	(72)	(327)
Divestitures	(204)
Reclassified from held for sale	201	(201)
Carrying value of goodwill ending balance	11,061	9,158
Americas Materials Solutions
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	4,417	4,407
Acquisitions	1,426	34
Foreign currency translation adjustment	(40)	8
Impairment charge for the year	0	(32)
Divestitures	0
Reclassified from held for sale	0	0
Carrying value of goodwill ending balance	5,803	4,417
Americas Building Solutions
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	2,752	2,517
Acquisitions	333	240
Foreign currency translation adjustment	(12)	(5)
Impairment charge for the year	0	0
Divestitures	(3)
Reclassified from held for sale	0	0
Carrying value of goodwill ending balance	3,070	2,752
International Solutions
Goodwill [Roll Forward]
Carrying value of goodwill beginning balance	1,989	2,275
Acquisitions	385	124
Foreign currency translation adjustment	(114)	86
Impairment charge for the year	(72)	(295)
Divestitures	(201)
Reclassified from held for sale	201	(201)
Carrying value of goodwill ending balance	$ 2,188	$ 1,989

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