Quarterly report [Sections 13 or 15(d)]

Debt - Margin Loan Facility (Details)

v3.26.1
Debt - Margin Loan Facility (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Jun. 26, 2024
Mar. 31, 2026
Feb. 16, 2026
Dec. 31, 2025
Mar. 31, 2025
Jul. 02, 2024
Feb. 28, 2023
Debt disclosures              
Borrowings of debt   $ 855          
Margin loan facility              
Debt disclosures              
Borrowings of debt   $ 810          
3.125% Exchangeable senior debentures due 2053              
Debt disclosures              
Interest rate (as a percent)   3.125% 3.125% 3.125%   3.125% 3.125%
SPV | Margin loan facility              
Debt disclosures              
Maximum borrowing capacity   $ 340          
Amount available for borrowing   $ 45          
Number of business days prior to the maturity date   5 days          
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] us-gaap:SecuredOvernightFinancingRateSofrMember            
Basis spread on variable rate 1.875%            
Commitment Fee Percentage 0.50%            
Interest rate   5.60%     6.20%    
SPV | Margin loan facility | Charter | Asset pledged as collateral              
Debt disclosures              
Shares owned   19.1          
Value of pledged collateral   $ 4,100          
SPV | Revolving credit facility              
Debt disclosures              
Maximum borrowing capacity $ 1,150            
SPV | Uncommitted incremental term loan facility              
Debt disclosures              
Maximum borrowing capacity 200            
SPV | Term loan              
Debt disclosures              
Maximum borrowing capacity $ 1,150