Quarterly report [Sections 13 or 15(d)]

Debt - Exchangeable Senior Debentures (Details)

v3.26.1
Debt - Exchangeable Senior Debentures (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 06, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Jul. 02, 2024
Feb. 28, 2023
Debt              
Repayment of debt     $ 1,771 $ 1,127      
3.125% Exchangeable senior debentures due 2053              
Debt              
Principal amount             $ 1,265
Interest rate (as a percent) 3.125%   3.125%   3.125%   3.125%
Repayment of debt $ 966            
3.125% Exchangeable senior debentures due 2053 | Exchangeable Senior Debentures Option              
Debt              
Principal amount             $ 165
3.125% Exchangeable senior debentures due 2054              
Debt              
Principal amount           $ 860  
Interest rate (as a percent)   3.125%   3.125%   3.125%  
Repayment of margin loan   $ 952          
3.125% Exchangeable senior debentures due 2054 | Exchangeable Senior Debentures Option              
Debt              
Principal amount           $ 60