v3.26.1
Debt - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Less: current portion of long-term debt $ (1,034) $ (333)
Long-term debt 4,235 4,936
Nonrelated Party    
Debt Instrument [Line Items]    
Total principal 5,266 5,267
Unamortized premiums and debt issuance costs 3 2
Total long-term debt 5,269 5,269
Less: current portion of long-term debt (1,034) (333)
Long-term debt 4,235 4,936
Other | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 11 12
3.50% Unsecured Notes due 2026 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 3.50%  
Effective percentage 3.56%  
3.50% Unsecured Notes due 2026 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 326 326
4.60% Unsecured Notes due 2027 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 4.60%  
Effective percentage 4.71%  
4.60% Unsecured Notes due 2027 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 700 700
4.70% Unsecured Notes due 2028 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 4.70%  
Effective percentage 4.81%  
4.70% Unsecured Notes due 2028 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 700 700
4.95% Unsecured Notes due 2030 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 4.95%  
Effective percentage 5.07%  
4.95% Unsecured Notes due 2030 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 1,000 1,000
7.65% Private Placement due 2031 | Secured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 7.65%  
Effective percentage 7.95%  
7.65% Private Placement due 2031 | Secured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 50 50
4.20% Unsecured Notes due 2033 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 4.20%  
Effective percentage 4.29%  
4.20% Unsecured Notes due 2033 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 50 50
5.40% Unsecured Notes due 2035 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 5.40%  
Effective percentage 5.55%  
5.40% Unsecured Notes due 2035 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 1,000 1,000
7.13% Unsecured Notes due 2036 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 7.13%  
Effective percentage 7.38%  
7.13% Unsecured Notes due 2036 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 445 445
6.88% Unsecured Notes due 2039 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 6.88%  
Effective percentage 7.12%  
6.88% Unsecured Notes due 2039 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 191 191
6.50% Unsecured Notes due 2043 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 6.50%  
Effective percentage 6.72%  
6.50% Unsecured Notes due 2043 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 239 239
4.75% Unsecured Notes due 2046 | Unsecured Debt    
Debt Instrument [Line Items]    
Debt instrument, interest rate 4.75%  
Effective percentage 4.86%  
4.75% Unsecured Notes due 2046 | Unsecured Debt | Nonrelated Party    
Debt Instrument [Line Items]    
Total principal $ 554 $ 554