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v3.26.1

BORROWINGS - Additional Information (Details) $ in Millions, $ in Millions | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2026 USD ($) | Dec. 31, 2025 USD ($) | Sep. 24, 2025 CAD ($) | May 16, 2025 CAD ($)
Disclosure of detailed information about borrowings [line items] |  |  |  |
Commercial paper | $ 268 |  |  |
Corporate revolving credit facility |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Credit facility, maximum borrowing capacity | $ 2,200 |  |  |
Line of credit facility, unused capacity, commitment fee percentage | 0.0013 |  |  |
Subsidiary and corporate borrowings | $ 700 | $ 0 |  |
Letter of credit outstanding amount | $ 11 | 11 |  |
Corporate revolving credit facility | Floating interest rate |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings, interest rate | 1.20% |  |  |
Medium-term notes, maturing january 6, 2031 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Subsidiary and corporate borrowings | $ 264 | 273 | $ 375 |
Medium-term notes, maturing january 6, 2031 | Fixed interest rate |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings, interest rate | 3.70% |  | 3.70% |
Medium-term notes, maturing september 24, 2035 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Subsidiary and corporate borrowings | $ 229 | 237 | $ 325 |
Medium-term notes, maturing september 24, 2035 | Fixed interest rate |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings, interest rate | 4.50% |  | 4.50% |
Subordinated notes, maturing september 1, 2055 |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Subsidiary and corporate borrowings | $ 177 | 183 |  | $ 250
Subordinated notes, maturing september 1, 2055 | Fixed interest rate |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings, interest rate | 5.60% |  |  | 5.60%
Revolving credit facility with brookfield |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Credit facility, maximum borrowing capacity | $ 1,000 |  |  |
Subsidiary and corporate borrowings | $ 0 | $ 0 |  |
Borrowing renewal term | 1 year |  |  |
Borrowings, adjustment to interest rate basis | 1.90% |  |  |

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