v3.26.1
RELATED PARTY TRANSACTIONS (Details)
 3 Months Ended 12 Months Ended
Sep. 29, 2025
USD ($)
Mar. 26, 2025
Dec. 24, 2024
USD ($)
agreement
Mar. 31, 2020
USD ($)
Sep. 30, 2025
USD ($)
Mar. 31, 2025
Dec. 31, 2025
USD ($)
agreement
$ / shares
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 27, 2024
USD ($)
May 24, 2024
USD ($)
Mar. 28, 2023
USD ($)
Disclosure of transactions between related parties [line items]                        
Asset management fee as percent per quarter (in percent)             0.3125%          
Asset management fee (in percent)             1.25%          
Preferred shares, subscription price (in dollars per share) | $ / shares             $ 25.00          
Amount called on the equity commitment             $ 0 $ 0        
Receivables due from parent             1,574,000,000 1,278,000,000        
Loans payable to parent             100,000,000 102,000,000        
Amounts payable, related party transactions             51,000,000 30,000,000        
Amounts receivable, related party transactions             $ 12,000,000 $ 19,000,000        
Global intermodal logistics operation                        
Disclosure of transactions between related parties [line items]                        
Ownership interest sold             66.00%          
Ownership interest 33.00% 33.00%     33.00% 33.00% 27.00% 27.00%        
Gain on disposition $ 115,000,000       $ 115,000,000              
BIHC                        
Disclosure of transactions between related parties [line items]                        
Related party, equity commitment             $ 1,000,000,000          
Brookfield Infrastructure Partners LP | Global intermodal logistics operation                        
Disclosure of transactions between related parties [line items]                        
Gain on disposition $ 30,000,000       $ 30,000,000              
Class Exchangeable Shares                        
Disclosure of transactions between related parties [line items]                        
Redeemable and exchangeable partnership units, exchange ratio     1                  
Revolving Credit Facility With Brookfield                        
Disclosure of transactions between related parties [line items]                        
Number of borrowing agreements | agreement             2          
Borrowing, term (in year)             10 years          
Credit facility, maximum borrowing capacity             $ 1,000,000,000          
Senior Unsecured Revolving Credit Facility                        
Disclosure of transactions between related parties [line items]                        
Number of borrowing agreements | agreement     2                  
Credit facility, maximum borrowing capacity     $ 150,000,000                  
Borrowings             0 $ 0        
Borrowings maturity, term (in year)     10 years                  
Borrowings maturity, annual extensions period (in year)     1 year                  
Senior Unsecured Revolving Credit Facility | BIHC                        
Disclosure of transactions between related parties [line items]                        
Credit facility, maximum borrowing capacity       $ 1,000,000,000                
Borrowings maturity, term (in year)       10 years                
Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Loans payable to parent             $ 0 0        
Weighted average interest rates             0.20%          
Interest accrued, on demand deposit             $ 2,000,000 3,000,000        
Interest expenses on demand deposit payable             $ 0 0        
Service Provider                        
Disclosure of transactions between related parties [line items]                        
Asset management fee as percent per quarter (in percent)             0.3125%          
Asset management fee (in percent)             1.25%          
Services received, related party transactions             $ 71,000,000 67,000,000 $ 63,000,000      
Subsidiary of Common Parent (Brookfield) | Brookfield Office Properties Inc.                        
Disclosure of transactions between related parties [line items]                        
Services received, related party transactions             0 0 0      
Revenue from rendering of services, related party transactions             1,600,000 1,000,000 $ 1,000,000      
Subsidiary of Common Parent (Brookfield) | Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Receivables due from parent             1,435,000,000 1,178,000,000        
March Loan Agreement | Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Borrowings             56,000,000       $ 200,000,000 $ 250,000,000
Borrowings, adjustment to interest rate basis                     2.10%  
March Loan Agreement | Brookfield Infrastructure | Loans Payable To Brookfield Infrastructure Until May 24 2029                        
Disclosure of transactions between related parties [line items]                        
Borrowings, adjustment to interest rate basis                     4.75%  
March Agreement - Extension | Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Interest expense, related party transactions             4,000,000.0 10,000,000        
May Loan Agreement | Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Interest expense, related party transactions             3,000,000 $ 1,000,000        
Non-cash transaction                     $ 24,000,000  
Borrowings outstanding             44,000,000          
May Loan Agreement | Brookfield Infrastructure | Loan Maturity Date of May 24, 2026                        
Disclosure of transactions between related parties [line items]                        
Borrowings, adjustment to interest rate basis                     2.10%  
May Loan Agreement | Brookfield Infrastructure | Loan Maturity Date of May 24, 2029                        
Disclosure of transactions between related parties [line items]                        
Borrowings, adjustment to interest rate basis                     4.75%  
December Loan Agreement | Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Borrowings                   $ 17,000,000    
May 2024 Agreement | Brookfield Infrastructure                        
Disclosure of transactions between related parties [line items]                        
Borrowings                     $ 100,000,000  
Interest expense, related party transactions             $ 7,000,000          
May 2024 Agreement | Brookfield Infrastructure | Loan Maturity Date of May 24, 2026                        
Disclosure of transactions between related parties [line items]                        
Borrowings, adjustment to interest rate basis                     2.10%  
May 2024 Agreement | Brookfield Infrastructure | Loan Maturity Date of May 24, 2029                        
Disclosure of transactions between related parties [line items]                        
Borrowings, adjustment to interest rate basis                     4.75%