v3.26.1
Shareholders' Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended
Apr. 10, 2026
Apr. 07, 2026
Apr. 30, 2026
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Equity [Line Items]            
Common stock, shares authorized (in shares)       4,000,000,000.00   4,000,000,000.00
Common stock, par value (in dollars per share)       $ 0.01   $ 0.01
Nonvoting common stock, par value (in dollars per share)       $ 0.01   $ 0.01
Shares remitted by employees to satisfy minimum statutory employee tax withholding (in shares)       2,073    
Total value of shares remitted       $ 1.9    
Amount of share-based awards cancelled to satisfy minimum statutory employee tax withholding requirements (in shares)       2,700,000    
Value of share-based awards cancelled to satisfy minimum statutory employee tax withholding requirements       $ 2,600.0    
Dividends declared per common share (in dollars per share)       $ 4.50 $ 3.00  
Redemption Value ($ in millions)       $ 13,703.0    
Total preferred stock dividends declared       224.0 $ 155.0  
Preferred stock redemption premium       $ 3.0    
O 2026 Q1 Dividends            
Equity [Line Items]            
Dividends payable date declared       Apr. 07, 2026    
Subsequent Event            
Equity [Line Items]            
Dividends declared per common share (in dollars per share) $ 4.50          
Subsequent Event | Group Inc.            
Equity [Line Items]            
Total preferred stock dividends declared   $ 230.0        
Series A Preferred Stock            
Equity [Line Items]            
Redemption Value ($ in millions)       $ 750.0    
Preferred stock dividends declared (in dollars per share)       $ 311.56 $ 345.49  
Liquidation Preference (in dollars per share)       $ 25,000    
Basis spread on variable dividend rate       1.01161%    
Total preferred stock dividends declared       $ 9.0 $ 10.0  
Series A Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   $ 290.72        
Series C Preferred Stock            
Equity [Line Items]            
Redemption Value ($ in millions)       $ 200.0    
Preferred stock dividends declared (in dollars per share)       $ 311.56 $ 345.49  
Liquidation Preference (in dollars per share)       $ 25,000    
Basis spread on variable dividend rate       1.01161%    
Total preferred stock dividends declared       $ 2.0 $ 3.0  
Series C Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   290.72        
Series D Preferred Stock            
Equity [Line Items]            
Redemption Value ($ in millions)       $ 1,350.0    
Preferred stock dividends declared (in dollars per share)       $ 306.45 $ 340.49  
Liquidation Preference (in dollars per share)       $ 25,000    
Basis spread on variable dividend rate       0.93161%    
Total preferred stock dividends declared       $ 17.0 $ 18.0  
Series D Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   285.72        
Series O Preferred Stock            
Equity [Line Items]            
Dividend rate       5.30%    
Redemption Value ($ in millions)       $ 650.0    
Liquidation Preference (in dollars per share)       $ 25,000    
Series O Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   662.50        
Series T Preferred Stock            
Equity [Line Items]            
Dividend rate       3.80%    
Redemption Value ($ in millions)       $ 675.0    
Liquidation Preference (in dollars per share)       $ 25,000    
Series T Preferred Stock | Subsequent Event            
Equity [Line Items]            
Dividend rate     3.80%      
Redemption Value ($ in millions)     $ 675.0      
Redemption price (in dollars per share)     $ 25,000      
Series T Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   475.00        
Series V Preferred Stock            
Equity [Line Items]            
Dividend rate       4.125%    
Redemption Value ($ in millions)       $ 750.0    
Liquidation Preference (in dollars per share)       $ 25,000    
Series V Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   515.63        
Series Q Preferred Stock            
Equity [Line Items]            
Dividend rate       5.50%    
Redemption Value ($ in millions)       $ 500.0    
Preferred stock dividends declared (in dollars per share)       $ 922.38 $ 922.38  
Total preferred stock dividends declared       $ 17.0 $ 18.0  
Redemption price (in dollars per share)       $ 25,000    
Series R Preferred Stock            
Equity [Line Items]            
Dividend rate       4.95%    
Redemption Value ($ in millions)       $ 600.0    
Preferred stock dividends declared (in dollars per share)       $ 945.00 $ 618.75  
Total preferred stock dividends declared       $ 21.0 $ 15.0  
Redemption price (in dollars per share)       $ 25,000    
Series S Preferred Stock            
Equity [Line Items]            
Dividend rate       4.40%    
Redemption Value ($ in millions)       $ 350.0    
Preferred stock dividends declared (in dollars per share)       $ 898.25 $ 550.00  
Total preferred stock dividends declared       $ 12.0 $ 8.0  
Redemption price (in dollars per share)       $ 25,000    
Series U Preferred Stock            
Equity [Line Items]            
Dividend rate       3.65%    
Redemption Value ($ in millions)       $ 750.0    
Preferred stock dividends declared (in dollars per share)       $ 456.25 $ 456.25  
Liquidation Preference (in dollars per share)       $ 25,000    
Total preferred stock dividends declared       $ 14.0 $ 14.0  
Series W Preferred Stock            
Equity [Line Items]            
Dividend rate       7.50%    
Redemption Value ($ in millions)       $ 1,500.0    
Preferred stock dividends declared (in dollars per share)       $ 937.50 $ 937.50  
Liquidation Preference (in dollars per share)       $ 25,000    
Total preferred stock dividends declared       $ 56.0 $ 56.0  
Series E Preferred Stock            
Equity [Line Items]            
Redemption Value ($ in millions)       $ 767.0    
Preferred stock dividends declared (in dollars per share)       $ 1,218.76 $ 1,397.48  
Liquidation Preference (in dollars per share)       $ 100,000    
Basis spread on variable dividend rate       1.02911%    
Total preferred stock dividends declared       $ 9.0 $ 11.0  
Series E Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   1,187.17        
Series F Preferred Stock            
Equity [Line Items]            
Redemption Value ($ in millions)       $ 161.0    
Preferred stock dividends declared (in dollars per share)       $ 1,219.39 $ 1,398.11  
Liquidation Preference (in dollars per share)       $ 100,000    
Basis spread on variable dividend rate       1.03161%    
Total preferred stock dividends declared       $ 2.0 $ 2.0  
Series F Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   1,187.8        
Nonvoting Common Stock            
Equity [Line Items]            
Common stock, shares authorized (in shares)       200,000,000   200,000,000
Series X Preferred Stock            
Equity [Line Items]            
Dividend rate       7.50%    
Redemption Value ($ in millions)       $ 2,250.0    
Liquidation Preference (in dollars per share)       $ 25,000    
Series X Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   937.50        
Series Z Preferred Stock            
Equity [Line Items]            
Dividend rate       6.85%    
Redemption Value ($ in millions)       $ 1,900.0    
Preferred stock dividends declared (in dollars per share)       $ 856.25 $ 0  
Liquidation Preference (in dollars per share)       $ 25,000    
Total preferred stock dividends declared       $ 65.0 $ 0.0  
Series Y Preferred Stock            
Equity [Line Items]            
Dividend rate       6.125%    
Redemption Value ($ in millions)       $ 2,000.0    
Liquidation Preference (in dollars per share)       $ 25,000    
Series Y Preferred Stock | Subsequent Event | Group Inc.            
Equity [Line Items]            
Preferred stock dividends declared (in dollars per share)   $ 765.63