Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Debt) (Details)

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Long-Term Debt (Debt) (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Debt Issuance Costs, Noncurrent, Net $ (30) $ (31)
Total debt and finance lease obligations 4,351 4,335
Debt, Current (586) (424)
Long-term Debt, Excluding Current Maturities $ 3,765 3,911
4.85% Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 4.85%  
Debt Instrument Net of Unamortized Discounts Premium $ 0 423
4.45% Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 4.45%  
Debt Instrument Net of Unamortized Discounts Premium $ 585 585
4.75% Senior Secured Notes    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 4.75%  
Debt Instrument Net of Unamortized Discounts Premium $ 575 575
4.375% Senior Secured Notes due 2028    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 4.375%  
Debt Instrument Net of Unamortized Discounts Premium $ 500 500
5.45% Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 5.45%  
Debt Instrument Net of Unamortized Discounts Premium $ 399 399
5.950% Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 5.95%  
Debt Instrument Net of Unamortized Discounts Premium $ 300 300
6.375% Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 6.375%  
Debt Instrument Net of Unamortized Discounts Premium $ 225 225
6.25% Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 6.25%  
Debt Instrument Net of Unamortized Discounts Premium $ 500 500
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Debt Instrument Net of Unamortized Discounts Premium 1,295 857
Finance lease obligations    
Debt Instrument [Line Items]    
Finance Lease, Liability $ 2 $ 2