v3.26.1
Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
May 04, 2026
Mar. 31, 2026
Dec. 31, 2025
Class of Stock [Line Items]      
Carrying value   $ 2,324 $ 2,324
Preferred stock dividends — Series B      
Class of Stock [Line Items]      
Carrying value   $ 1,335 $ 1,335
Par value (in dollars per share)   $ 0.01 $ 0.01
Liquidation preference (in dollars per share)   $ 1,000 $ 1,000
Number of shares authorized (in shares)   1,350,000 1,350,000
Number of shares issued (in shares)   1,350,000 1,350,000
Number of shares outstanding (in shares)   1,350,000 1,350,000
Preferred stock dividends — Series B | Subsequent event      
Class of Stock [Line Items]      
Dividend/coupon rate 4.70%    
Series B Preferred Stock, Prior To May 15, 2026      
Class of Stock [Line Items]      
Dividend/coupon rate   4.70% 4.70%
Series B Preferred Stock, On And After May 15, 2026      
Class of Stock [Line Items]      
Dividend/coupon rate   3.868% 3.868%
Preferred stock dividends — Series C      
Class of Stock [Line Items]      
Carrying value   $ 989 $ 989
Par value (in dollars per share)   $ 0.01 $ 0.01
Liquidation preference (in dollars per share)   $ 1,000 $ 1,000
Number of shares authorized (in shares)   1,000,000 1,000,000
Number of shares issued (in shares)   1,000,000 1,000,000
Number of shares outstanding (in shares)   1,000,000 1,000,000
Series C Preferred Stock, Prior To May 15, 2028      
Class of Stock [Line Items]      
Dividend/coupon rate   4.70% 4.70%
Series C Preferred Stock, On And After May 15, 2028      
Class of Stock [Line Items]      
Dividend/coupon rate   3.481% 3.481%