Segment information - Summary of key performance measures by segments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment information - Consolidated Statements of Income
Revenues	$ 34,949	$ 32,723	$ 29,206
Adjusted EBITDA	6,176	5,388	4,806
Americas Materials Solutions
Segment information - Consolidated Statements of Income
Revenues	15,435	14,324	12,407
Adjusted EBITDA	3,059	2,638	2,543
Americas Building Solutions
Segment information - Consolidated Statements of Income
Revenues	7,017	6,188	4,628
Adjusted EBITDA	1,442	1,219	720
Europe Materials Solutions
Segment information - Consolidated Statements of Income
Revenues	9,690	9,349	9,389
Adjusted EBITDA	1,395	1,195	1,228
Europe Building Solutions
Segment information - Consolidated Statements of Income
Revenues	2,807	2,862	2,782
Adjusted EBITDA	$ 280	$ 336	$ 315