Segment information - Additions to long-lived assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment information - Consolidated Balance Sheet
Total property, plant and equipment and intangible asset additions	$ 2,705	$ 1,878	$ 1,533
Americas Materials Solutions
Segment information - Consolidated Balance Sheet
Total property, plant and equipment and intangible asset additions	1,151	854	715
Americas Building Solutions
Segment information - Consolidated Balance Sheet
Total property, plant and equipment and intangible asset additions	480	360	259
International Solutions
Segment information - Consolidated Balance Sheet
Total property, plant and equipment and intangible asset additions	$ 1,074	$ 664	$ 559