v3.26.1
GOODWILL - Schedule of Cash Generating Units (Details) - Goodwill - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Goodwill $ 1,680 $ 1,609 $ 1,726
Global intermodal logistics operation      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Goodwill 1,163 1,163  
Brazilian regulated gas transmission operation      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Goodwill 463 411  
U.K. regulated distribution operation      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Goodwill $ 54 $ 35