v3.25.4
Information Provided in Connection with Investments in Deferred Annuity Contracts and SignatureNotes Issued or Assumed by John Hancock Life Insurance Company (U.S.A.) - Summarized Statements of Income (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of operating segments [line items]    
Total insurance service result $ 4,526 $ 4,001
Total investment result 2,409 3,521
Net income (loss) before income taxes 7,094 7,090
Income tax (expenses) recoveries (1,034) (1,212)
Net income (loss) 6,060 5,878
Other revenue (expenses) 8,129 7,588
JHUSA (Issuer)    
Disclosure of operating segments [line items]    
Total insurance service result 433 212
Total investment result (555) 1,491
Other revenue (expenses) (702) (948)
Net income (loss) before income taxes (824) 755
Income tax (expenses) recoveries 345 22
Net income (loss) after income taxes, before equity in net income (loss) of non-guarantor subsidiaries (479) 777
Net income (loss) 5,604 6,444
Non-Guarantor Subsidiaries    
Disclosure of operating segments [line items]    
Total insurance service result 53 111
Total investment result 599 926
Equity in net income (loss) of non-guarantor subsidiaries 6,083 5,667
Other revenue (expenses) $ 441 $ 365