v3.26.1
Shareholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 15, 2027
Oct. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Class of Stock [Line Items]              
Sale of stock, consideration received on transaction   $ 5,651          
Dividends paid on mandatory convertible preferred stock     $ 86 $ 86 $ 172 $ 158  
Dividends, preferred stock     $ 86        
Preferred stock, dividends per share, declared (in dollars per share)     $ 15.00        
Forecast              
Class of Stock [Line Items]              
Equity instrument, convertible, threshold consecutive trading days 20 days            
Equity instrument, convertible, threshold consecutive trading days trigger period 21 days            
Depositary Share              
Class of Stock [Line Items]              
Sale of stock, number of shares issued in transaction (in shares)   115,000,000          
Mandatory convertible preferred stock              
Class of Stock [Line Items]              
Preferred stock, shares, issued (in shares)   5,750,000 5,750,000   5,750,000   5,750,000
Preferred stock, dividend rate, percentage   6.00%     6.00%   6.00%
Preferred stock, liquidation preference per share (in dollars per share)   $ 1,000          
Preferred stock, par value (in dollars per share)   $ 1.00 $ 1.00   $ 1.00   $ 1.00
Mandatory convertible preferred stock | Forecast              
Class of Stock [Line Items]              
Conversion of stock, shares converted (in shares) 5.8280            
Mandatory convertible preferred stock | Minimum | Forecast              
Class of Stock [Line Items]              
Conversion of stock, shares converted (in shares) 5.8280            
Mandatory convertible preferred stock | Maximum | Forecast              
Class of Stock [Line Items]              
Conversion of stock, shares converted (in shares) 6.9940