v3.26.1
REVENUES - Revenues by Geography (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disclosure of operating segments [line items]        
Revenues from contracts with customers $ 5,775 $ 6,007 $ 11,481 $ 12,064
Other revenues 722 688 1,452 1,380
Total revenues 6,497 6,695 12,933 13,444
Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 1,661 1,974 3,241 4,039
Other revenues 455 405 921 832
Total revenues 2,116 2,379 4,162 4,871
Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 495 485 986 955
Other revenues 267 279 531 540
Total revenues 762 764 1,517 1,495
Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 3,619 3,548 7,254 7,070
Other revenues 0 4 0 8
Total revenues 3,619 3,552 7,254 7,078
United States        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 2,112 2,108 4,177 4,186
United States | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 400 398 809 809
United States | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 188 184 382 366
United States | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 1,524 1,526 2,986 3,011
Europe        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 942 967 1,989 1,962
Europe | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 0 0 0 0
Europe | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 127 129 254 256
Europe | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 815 838 1,735 1,706
Australia        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 658 1,046 1,250 2,159
Australia | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 578 962 1,097 2,007
Australia | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 53 53 102 94
Australia | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 27 31 51 58
Brazil        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 642 531 1,244 1,027
Brazil | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 276 225 542 433
Brazil | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 3 3 9 12
Brazil | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 363 303 693 582
United Kingdom        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 432 453 867 912
United Kingdom | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 289 299 573 611
United Kingdom | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 77 77 152 150
United Kingdom | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 66 77 142 151
Mexico        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 362 299 678 586
Mexico | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 0 0 1 0
Mexico | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 0 0 0 0
Mexico | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 362 299 677 586
Canada        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 244 227 492 457
Canada | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 115 87 213 166
Canada | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 16 11 26 23
Canada | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 113 129 253 268
Other        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 383 376 784 775
Other | Business services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 3 3 6 13
Other | Infrastructure services        
Disclosure of operating segments [line items]        
Revenues from contracts with customers 31 28 61 54
Other | Industrials        
Disclosure of operating segments [line items]        
Revenues from contracts with customers $ 349 $ 345 $ 717 $ 708