Quarterly report [Sections 13 or 15(d)]

Debt - Exchangeable Senior Debentures (Details)

v3.26.1
Debt - Exchangeable Senior Debentures (Details) - USD ($)
3 Months Ended
Apr. 06, 2026
Feb. 28, 2023
Mar. 31, 2026
Jun. 30, 2025
Feb. 16, 2026
Dec. 31, 2025
Jul. 02, 2024
Debt disclosures              
Repayment of debt     $ 45,000,000        
3.125% Exchangeable senior debentures due 2053              
Debt disclosures              
Principal amount   $ 1,265,000,000          
Interest rate (as a percent)   3.125% 3.125%   3.125% 3.125% 3.125%
Shares attributable to debentures per $1,000 original principal amount of Debentures   1.8901          
Debt instrument, face amount per debenture   $ 1,000          
Total shares attributable to debentures   2,400,000          
Exchange price of shares attributable to debentures   $ 529.07          
Percentage of redemption and purchase price   100.00%          
Debt instrument, repurchased face amount             $ 300,000,000
3.125% Exchangeable senior debentures due 2053 | Subsequent event              
Debt disclosures              
Interest rate (as a percent) 3.125%            
Repayment of debt $ 966,000,000            
Exchangeable senior debentures option              
Debt disclosures              
Principal amount   $ 165,000,000         60,000,000
3.125% Exchangeable senior debentures due 2054              
Debt disclosures              
Principal amount             $ 860,000,000
Interest rate (as a percent)     3.125% 3.125%     3.125%
Repayments of debt       $ 952,000,000