v3.25.4
Shareholders' Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 14, 2026
Jan. 06, 2026
Feb. 26, 2026
Jan. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Equity [Line Items]                
Common stock, shares authorized (in shares)         4,000,000,000.00 4,000,000,000.00 4,000,000,000.00  
Common stock, par value (in dollars per share)         $ 0.01 $ 0.01 $ 0.01  
Nonvoting common stock, par value (in dollars per share)         0.01 $ 0.01 $ 0.01  
Shares remitted by employees to satisfy minimum statutory employee tax withholding (in shares)           1,072 1,197 868
Total value of shares remitted           $ 0.7 $ 0.5 $ 0.3
Amount of share-based awards cancelled to satisfy minimum statutory employee tax withholding requirements (in shares)           3,500,000 3,400,000 3,900,000
Value of share-based awards cancelled to satisfy minimum statutory employee tax withholding requirements           $ 2,160.0 $ 1,330.0 $ 1,350.0
Dividends declared per common share (in dollars per share)         $ 4.00 $ 14.00 $ 11.50 $ 10.50
Redemption Value ($ in millions)         $ 15,153.0 $ 15,153.0    
Shares Issued (in shares)         578,282 578,282    
Total preferred stock dividends declared           $ 876.0 $ 717.0 $ 599.0
O 2025 Q4 Dividends                
Equity [Line Items]                
Dividends payable date declared           Jan. 06, 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   $ 225.0            
Series A Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 750.0 $ 750.0    
Preferred stock dividends declared (in dollars per share)           $ 1,347.66 $ 1,606.63 $ 1,484.27
Shares Issued (in shares)         30,000 30,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Basis spread on variable dividend rate           1.01161%    
Total preferred stock dividends declared           $ 40.0 $ 48.0 $ 44.0
Series A Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   $ 311.56            
Series C Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 200.0 $ 200.0    
Preferred stock dividends declared (in dollars per share)           $ 1,347.66 $ 1,606.63 $ 1,484.27
Shares Issued (in shares)         8,000 8,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Basis spread on variable dividend rate           1.01161%    
Total preferred stock dividends declared           $ 11.0 $ 13.0 $ 12.0
Series C Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   311.56            
Series D Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 1,350.0 $ 1,350.0    
Preferred stock dividends declared (in dollars per share)           $ 1,327.49 $ 1,586.18 $ 1,463.99
Shares Issued (in shares)         54,000 54,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Basis spread on variable dividend rate           0.93161%    
Total preferred stock dividends declared           $ 72.0 $ 86.0 $ 79.0
Series D Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   306.45            
Series K Preferred Stock                
Equity [Line Items]                
Dividend rate             6.375%  
Redemption Value ($ in millions)             $ 700.0  
Preferred stock dividends declared (in dollars per share)           $ 0 $ 796.88 $ 1,593.76
Total preferred stock dividends declared           $ 0.0 $ 20.0 $ 44.0
Redemption price (in dollars per share)             $ 25,000  
Series O Preferred Stock                
Equity [Line Items]                
Dividend rate           5.30%    
Redemption Value ($ in millions)         $ 650.0 $ 650.0    
Preferred stock dividends declared (in dollars per share)           $ 1,325 $ 1,325 $ 1,325
Shares Issued (in shares)         26,000 26,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 34.0 $ 34.0 $ 34.0
Series P Preferred Stock                
Equity [Line Items]                
Dividend rate             5.00%  
Redemption Value ($ in millions)             $ 1,500.0  
Preferred stock dividends declared (in dollars per share)           $ 0 $ 1,623.09 $ 2,022.64
Total preferred stock dividends declared           $ 0.0 $ 97.0 $ 121.0
Redemption price (in dollars per share)             $ 25,000  
Preferred stock redemption premium             $ 34.0  
Series T Preferred Stock                
Equity [Line Items]                
Dividend rate           3.80%    
Redemption Value ($ in millions)         $ 675.0 $ 675.0    
Preferred stock dividends declared (in dollars per share)           $ 950.00 $ 950.00 $ 950.00
Shares Issued (in shares)         27,000 27,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 26.0 $ 26.0 $ 26.0
Series V Preferred Stock                
Equity [Line Items]                
Dividend rate           4.125%    
Redemption Value ($ in millions)         $ 750.0 $ 750.0    
Preferred stock dividends declared (in dollars per share)           $ 1,031.25 $ 1,031.25 $ 1,031.25
Shares Issued (in shares)         30,000 30,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 31.0 $ 31.0 $ 31.0
Series Q Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 500.0 $ 500.0    
Preferred stock dividends declared (in dollars per share)           $ 1,844.75 $ 1,375 $ 1,375
Shares Issued (in shares)         20,000 20,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Basis spread on variable dividend rate           3.623%    
Total preferred stock dividends declared           $ 37.0 $ 28.0 $ 28.0
Series Q Preferred Stock | Subsequent Event                
Equity [Line Items]                
Dividend rate     5.50%          
Redemption Value ($ in millions)     $ 500.0          
Redemption price (in dollars per share)     $ 25,000          
Series Q Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   922.38            
Series R Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 600.0 $ 600.0    
Preferred stock dividends declared (in dollars per share)           $ 1,563.75 $ 1,237.5 $ 1,237.5
Shares Issued (in shares)         24,000 24,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Basis spread on variable dividend rate           3.224%    
Total preferred stock dividends declared           $ 38.0 $ 30.0 $ 30.0
Series R Preferred Stock | Subsequent Event                
Equity [Line Items]                
Dividend rate     4.95%          
Redemption Value ($ in millions)     $ 600.0          
Redemption price (in dollars per share)     $ 25,000          
Series R Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   945.00            
Series S Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 350.0 $ 350.0    
Preferred stock dividends declared (in dollars per share)           $ 1,448.25 $ 1,100 $ 1,100
Shares Issued (in shares)         14,000 14,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Basis spread on variable dividend rate           2.85%    
Total preferred stock dividends declared           $ 20.0 $ 15.0 $ 16.0
Series S Preferred Stock | Subsequent Event                
Equity [Line Items]                
Dividend rate     4.40%          
Redemption Value ($ in millions)     $ 350.0          
Redemption price (in dollars per share)     $ 25,000          
Series S Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   898.25            
Series U Preferred Stock                
Equity [Line Items]                
Dividend rate           3.65%    
Redemption Value ($ in millions)         $ 750.0 $ 750.0    
Preferred stock dividends declared (in dollars per share)           $ 912.50 $ 912.50 $ 912.50
Shares Issued (in shares)         30,000 30,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 27.0 $ 27.0 $ 27.0
Series U Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   456.25            
Series W Preferred Stock                
Equity [Line Items]                
Dividend rate           7.50%    
Redemption Value ($ in millions)         $ 1,500.0 $ 1,500.0    
Preferred stock dividends declared (in dollars per share)           $ 1,875 $ 1,833.33 $ 0
Shares Issued (in shares)         60,000 60,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 113.0 $ 110.0 $ 0.0
Series W Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   937.50            
Series E Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 767.0 $ 767.0    
Preferred stock dividends declared (in dollars per share)           $ 5,418.79 $ 6,423.37 $ 6,074.57
Shares Issued (in shares)         7,667 7,667    
Liquidation Preference (in dollars per share)         $ 100,000 $ 100,000    
Basis spread on variable dividend rate           1.02911%    
Total preferred stock dividends declared           $ 41.0 $ 50.0 $ 46.0
Series E Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   1,218.76            
Series F Preferred Stock                
Equity [Line Items]                
Redemption Value ($ in millions)         $ 161.0 $ 161.0    
Preferred stock dividends declared (in dollars per share)           $ 5,421.32 $ 6,425.91 $ 6,077.09
Shares Issued (in shares)         1,615 1,615    
Liquidation Preference (in dollars per share)         $ 100,000 $ 100,000    
Basis spread on variable dividend rate           1.03161%    
Total preferred stock dividends declared           $ 9.0 $ 10.0 $ 10.0
Series F Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   1,219.39            
Nonvoting Common Stock                
Equity [Line Items]                
Common stock, shares authorized (in shares)         200,000,000 200,000,000 200,000,000  
Series X Preferred Stock                
Equity [Line Items]                
Dividend rate           7.50%    
Redemption Value ($ in millions)         $ 2,250.0 $ 2,250.0    
Preferred stock dividends declared (in dollars per share)           $ 1,875 $ 1,026.04 $ 0
Shares Issued (in shares)         90,000 90,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 169.0 $ 92.0 $ 0.0
Series Z Preferred Stock                
Equity [Line Items]                
Dividend rate       6.85%   6.85%    
Redemption Value ($ in millions)         $ 1,900.0 $ 1,900.0    
Preferred stock dividends declared (in dollars per share)           $ 932.36 $ 0 $ 0
Shares Issued (in shares)       76,000 76,000 76,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 71.0 $ 0.0 $ 0.0
Series Z Preferred Stock | Subsequent Event | Group Inc.                
Equity [Line Items]                
Preferred stock dividends declared (in dollars per share)   $ 856.25            
Series Y Preferred Stock                
Equity [Line Items]                
Dividend rate           6.125%    
Redemption Value ($ in millions)         $ 2,000.0 $ 2,000.0    
Preferred stock dividends declared (in dollars per share)           $ 1,718.4 $ 0 $ 0
Shares Issued (in shares)         80,000 80,000    
Liquidation Preference (in dollars per share)         $ 25,000 $ 25,000    
Total preferred stock dividends declared           $ 137.0 $ 0.0 $ 0.0