Interests in Structured Entities - Interests and Maximum Exposure to Loss from Significant Unconsolidated Financing Structured Entities (Detail) - Unconsolidated structured entities - Financing SEs - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of unconsolidated structured entities [Line Items] | ||
| Company's interests | $ 681 | $ 710 |
| Manulife Finance (Delaware), L.P. | ||
| Disclosure of unconsolidated structured entities [Line Items] | ||
| Company's interests | $ 681 | $ 710 |