v3.26.1
NON-WHOLLY OWNED SUBSIDIARIES - Schedule of Statement of Operations (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of subsidiaries [line items]      
Attributable to non-controlling interest, Revenue $ 3,668 $ 3,666 $ 2,503
Attributable to non-controlling interest, Net Income 941 680 495
Non-Wholly Owned Subsidiaries      
Disclosure of subsidiaries [line items]      
Attributable to non-controlling interest, Revenue 3,668 3,666 2,503
Attributable to non-controlling interest, Net Income 941 680 530
Attributable to non-controlling interest, Other Comprehensive Income (loss) (25) 122 49
Attributable to the partnership, Net Income 443 321 302
Attributable to the partnership, Other Comprehensive Income (loss) 195 108 160
Brazilian regulated gas transmission operation      
Disclosure of subsidiaries [line items]      
Attributable to non-controlling interest, Revenue 1,430 1,357 1,483
Attributable to non-controlling interest, Net Income 289 318 455
Attributable to non-controlling interest, Other Comprehensive Income (loss) (48) 102 44
Attributable to the partnership, Net Income 120 135 202
Attributable to the partnership, Other Comprehensive Income (loss) (28) 59 19
U.K. regulated distribution operation      
Disclosure of subsidiaries [line items]      
Attributable to non-controlling interest, Revenue 864 741 635
Attributable to non-controlling interest, Net Income 29 20 19
Attributable to non-controlling interest, Other Comprehensive Income (loss) 59 11 38
Attributable to the partnership, Net Income 116 78 78
Attributable to the partnership, Other Comprehensive Income (loss) 236 45 154
Global intermodal logistics operation      
Disclosure of subsidiaries [line items]      
Attributable to non-controlling interest, Revenue 1,374 1,568 385
Attributable to non-controlling interest, Net Income 623 342 56
Attributable to non-controlling interest, Other Comprehensive Income (loss) (36) 9 (33)
Attributable to the partnership, Net Income 207 108 22
Attributable to the partnership, Other Comprehensive Income (loss) $ (13) $ 4 $ (13)