v3.26.1
Borrowings - Schedule of Unsecured Senior Notes (Details)
$ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Aug. 07, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]        
Total Senior Notes, net   $ 10,772 $ 10,772 $ 10,423
Unsecured Senior Notes        
Debt Instrument [Line Items]        
Total Senior Notes   10,805 10,805 10,455
Unamortized premium, net of unamortized discount   36 36 28
Unamortized issuance costs   (69) (69) (60)
Total Senior Notes, net   $ 10,772 $ 10,772 $ 10,423
Weighted average interest rate (as a percent)   5.43% 5.43% 5.03%
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Oct 15 2026        
Debt Instrument [Line Items]        
Interest Rate   2.875% 2.875%  
Total Senior Notes   $ 0 $ 0 $ 1,150
Redemption percentage   100.00%    
Accrued and unpaid interest   $ 6    
Unsecured Senior Notes | Unsecured Convertible Senior Notes Maturing Apr 01 2027        
Debt Instrument [Line Items]        
Interest Rate   0.50% 0.50%  
Total Senior Notes   $ 503 $ 503 503
Conversion ratio     0.00847  
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Jan 15 2028        
Debt Instrument [Line Items]        
Interest Rate   5.25% 5.25%  
Total Senior Notes   $ 62 $ 62 62
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Jan 15 2028 | Subsequent Event        
Debt Instrument [Line Items]        
Redemption percentage 100.00%      
Accrued and unpaid interest $ 2      
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Mar 01 2029        
Debt Instrument [Line Items]        
Interest Rate   3.625% 3.625%  
Total Senior Notes   $ 750 $ 750 750
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Aug 01 2029, First        
Debt Instrument [Line Items]        
Interest Rate   6.50% 6.50%  
Total Senior Notes   $ 12 $ 12 12
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Aug 01 2029, Second        
Debt Instrument [Line Items]        
Interest Rate   6.50% 6.50%  
Total Senior Notes   $ 738 $ 738 738
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Aug 01 2030        
Debt Instrument [Line Items]        
Interest Rate   6.125% 6.125%  
Total Senior Notes   $ 2,000 $ 2,000 2,000
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Dec 15 2030        
Debt Instrument [Line Items]        
Interest Rate   5.125% 5.125%  
Total Senior Notes   $ 76 $ 76 76
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Mar 01 2031        
Debt Instrument [Line Items]        
Interest Rate   3.875% 3.875%  
Total Senior Notes   $ 1,250 $ 1,250 1,250
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Aug 01 2031        
Debt Instrument [Line Items]        
Interest Rate   6.125% 6.125%  
Total Senior Notes   $ 900 $ 900 0
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Nov 15 2031        
Debt Instrument [Line Items]        
Interest Rate   5.75% 5.75%  
Total Senior Notes   $ 64 $ 64 64
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Feb 01 2032, First        
Debt Instrument [Line Items]        
Interest Rate   7.125% 7.125%  
Total Senior Notes   $ 45 $ 45 45
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Feb 01 2032, Second        
Debt Instrument [Line Items]        
Interest Rate   7.125% 7.125%  
Total Senior Notes   $ 955 $ 955 955
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Aug 01 2033        
Debt Instrument [Line Items]        
Interest Rate   6.375% 6.375%  
Total Senior Notes   $ 2,000 $ 2,000 2,000
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing Oct 15 2033        
Debt Instrument [Line Items]        
Interest Rate   4.00% 4.00%  
Total Senior Notes   $ 850 $ 850 850
Unsecured Senior Notes | Unsecured Redeemable Senior Notes Maturing June 15 2034        
Debt Instrument [Line Items]        
Interest Rate   6.50% 6.50%  
Total Senior Notes   $ 600 $ 600 $ 0