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Goodwill
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
6. Goodwill
The changes in the carrying amount of goodwill were:
in $ millionsAmericas Materials SolutionsAmericas Building SolutionsInternational SolutionsTotal
Carrying value, December 31, 20245,8033,0702,18811,061
Acquisitions18414214340
Foreign currency translation adjustment217174
Carrying value, March 31, 20255,9893,2132,27311,475
in $ millionsAmericas Materials SolutionsAmericas Building SolutionsInternational SolutionsTotal
Carrying value, December 31, 20234,4172,7521,9899,158
Acquisitions1,4263333852,144
Foreign currency translation adjustment(40)(12)(114)(166)
Impairment charge for the period––(72)(72)
Divestitures–(3)(201)(204)
Reclassified as held for sale––201201
Carrying value, December 31, 20245,8033,0702,18811,061
in $ millionsAmericas Materials SolutionsAmericas Building SolutionsInternational SolutionsTotal
Carrying value, December 31, 20234,4172,7521,9899,158
Acquisitions97652(3)1,025
Foreign currency translation adjustment(12)(4)(42)(58)
Divestitures--(197)(197)
Reclassified from held for sale--197197
Carrying value, March 31, 20245,3812,8001,94410,125
There were no charges for goodwill impairment in the three months ended March 31, 2025 and March 31, 2024.