v3.26.1
Debt and Other Obligations Extinguishment of Debt (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Extinguishment of Debt [Line Items]      
Extinguishment of Debt, Amount   $ 5,456  
Repayments of Other Long-Term Debt [1]   5,426  
Gains (losses) on retirement of long-term obligations $ 24 24 $ 0
Securitized Debt [Member] | Senior Unsecured 2016 Notes 4.450% [Member]      
Extinguishment of Debt [Line Items]      
Extinguishment of Debt, Amount   900  
Repayments of Other Long-Term Debt [1]   900  
Gains (losses) on retirement of long-term obligations   0  
Securitized Debt [Member] | Senior Unsecured 2016 Notes 3.7% [Member]      
Extinguishment of Debt [Line Items]      
Extinguishment of Debt, Amount   750  
Repayments of Other Long-Term Debt [1]   750  
Gains (losses) on retirement of long-term obligations   0  
Securitized Debt [Member] | Open Market Debt Repurchases      
Extinguishment of Debt [Line Items]      
Extinguishment of Debt, Amount [2]   530  
Repayments of Other Long-Term Debt [1],[2]   500  
Gains (losses) on retirement of long-term obligations [2]   27  
Securitized Debt [Member] | Revolving Credit Facility [Member]      
Extinguishment of Debt [Line Items]      
Extinguishment of Debt, Amount [3]   3,276  
Repayments of Other Long-Term Debt [1],[3]   3,276  
Gains (losses) on retirement of long-term obligations [3]   $ (3)  
[1] Exclusive of accrued interest.
[2] See above for discussion of the Open Market Debt Repurchases.
[3] See below for discussion of the 2016 Credit Facility