v3.26.1
Indebtedness: (Debt Issuances) (Details) - Unsecured Debt
$ in Millions
Jun. 30, 2026
USD ($)
US Dollar Notes Due April 2029  
Debt Instrument [Line Items]  
Face Value $ 750
Interest Rate 4.125%
US Dollar Notes Due April 2036  
Debt Instrument [Line Items]  
Face Value $ 750
Interest Rate 4.875%