Derivative and Hedging Instruments - Fair Values of Derivative Instruments by Remaining Term to Maturity (Details) - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of detailed information about hedging instruments [line items] | ||
| Derivative assets | $ 9,628 | $ 8,667 |
| Derivative liabilities | 14,347 | 14,247 |
| Less than 1 year | ||
| Disclosure of detailed information about hedging instruments [line items] | ||
| Derivative assets | 970 | 1,171 |
| Derivative liabilities | 2,270 | 2,320 |
| 1 to 3 years | ||
| Disclosure of detailed information about hedging instruments [line items] | ||
| Derivative assets | 842 | 578 |
| Derivative liabilities | 1,746 | 2,304 |
| 3 to 5 years | ||
| Disclosure of detailed information about hedging instruments [line items] | ||
| Derivative assets | 809 | 635 |
| Derivative liabilities | 875 | 1,244 |
| Over 5 years | ||
| Disclosure of detailed information about hedging instruments [line items] | ||
| Derivative assets | 7,007 | 6,283 |
| Derivative liabilities | $ 9,456 | $ 8,379 |