v3.26.1
Segment information - Summary of key performance measures by segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Total revenues $ 10,777 $ 10,206 $ 18,147 $ 16,962
Less:        
Labor 2,058 1,981 3,985 3,767
Energy costs 583 497 1,004 889
Other segment items 5,509 5,265 9,945 9,348
Adjusted EBITDA 2,627 2,463 3,213 2,958
Americas Materials Solutions        
Segment Reporting [Line Items]        
Total revenues 4,957 4,509 7,681 6,752
Less:        
Labor 1,011 948 1,858 1,702
Energy costs 245 208 395 348
Other segment items 2,317 2,112 3,941 3,402
Adjusted EBITDA 1,384 1,241 1,487 1,300
Americas Building Solutions        
Segment Reporting [Line Items]        
Total revenues 2,117 2,159 3,785 3,841
Less:        
Labor 362 385 737 760
Energy costs 34 32 69 64
Other segment items 1,259 1,241 2,230 2,229
Adjusted EBITDA 462 501 749 788
International Solutions        
Segment Reporting [Line Items]        
Total revenues 3,703 3,538 6,681 6,369
Less:        
Labor 685 648 1,390 1,305
Energy costs 304 257 540 477
Other segment items 1,933 1,912 3,774 3,717
Adjusted EBITDA $ 781 $ 721 $ 977 $ 870