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Long-Term Debt - Schedule of Long Term Debt (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Long-term debt    
Unamortized premiums, net $ 3 $ 3
Unamortized debt issuance costs (58) (49)
Total long-term debt 8,989 8,096
Less current maturities (26) (26)
Long-term debt, excluding current maturities 8,963 8,070
Senior notes | Senior Notes Maturing 2027-2029    
Long-term debt    
Long-term debt, gross $ 2,415 1,500
Senior notes | Senior Notes Maturing 2027-2029 | Minimum    
Long-term debt    
Stated interest rate 3.40%  
Senior notes | Senior Notes Maturing 2027-2029 | Maximum    
Long-term debt    
Stated interest rate 10.50%  
Senior notes | Senior Notes Maturing 2027-2029    
Long-term debt    
Long-term debt, gross $ 3,940 3,940
Senior notes | Senior Notes Maturing 2027-2029 | Minimum    
Long-term debt    
Stated interest rate 3.625%  
Senior notes | Senior Notes Maturing 2027-2029 | Maximum    
Long-term debt    
Stated interest rate 4.625%  
Term loan | Tranche B 2027 Term Loan    
Long-term debt    
Long-term debt, gross $ 2,411 $ 2,411
Effective percentage 6.672% 6.134%
Term loan | Tranche B 2027 Term Loan | LIBOR    
Long-term debt    
Basis spread on variable rate 1.75%  
Finance leases and other obligations    
Long-term debt    
Long-term debt, gross $ 278 $ 291