v3.26.1
Long-term Debt (Schedule of Debt) (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Long-term debt    
Total long-term debt $ 8,158,961,000 $ 7,281,764,000
Less: unamortized debt issuance costs, bond premiums and original issuance discounts (81,220,000) (78,033,000)
Total long-term debt, net of unamortized debt issuance costs, bond premiums and original issuance discounts 8,077,741,000 7,203,731,000
Revolving Credit Facility    
Long-term debt    
Line of credit facility, maximum borrowing capacity 2,090,000,000 2,090,000,000
Other Debt    
Long-term debt    
Long-term debt, gross 0 140,000
Senior Unsecured Notes 5.375 Percent Due 2026 [Member]    
Long-term debt    
Long-term debt, gross 679,000,000 0
$500 million 5.750% senior unsecured notes due June 2028    
Long-term debt    
Long-term debt, gross 500,000,000 500,000,000
Face amount of debt $ 500,000,000 $ 500,000,000
Debt instrument, interest rate, stated percentage 5.75% 5.75%
$750 million 5.300% senior unsecured notes due January 2029    
Long-term debt    
Long-term debt, gross $ 750,000,000 $ 750,000,000
Face amount of debt $ 750,000,000 $ 750,000,000
Debt instrument, interest rate, stated percentage 5.30% 5.30%
$700 million 4.00% senior unsecured notes due January 2030    
Long-term debt    
Long-term debt, gross $ 700,000,000 $ 700,000,000
Face amount of debt $ 700,000,000 $ 700,000,000
Debt instrument, interest rate, stated percentage 4.00% 4.00%
Senior Unsecured Notes 4.00 Percent Due 2031    
Long-term debt    
Long-term debt, gross $ 700,000,000 $ 700,000,000
Face amount of debt $ 700,000,000 $ 700,000,000
Debt instrument, interest rate, stated percentage 4.00% 4.00%
Senior Unsecured Notes 3.25 Percent Due 2032    
Long-term debt    
Long-term debt, gross $ 800,000,000 $ 800,000,000
Face amount of debt $ 800,000,000 $ 800,000,000
Debt instrument, interest rate, stated percentage 3.25% 3.25%
Term Loan Credit Facility    
Long-term debt    
Long-term debt, gross $ 0 $ 600,000,000
Revolving Credit Facility    
Long-term debt    
Long-term debt, gross 329,961,000 331,624,000
Senior Unsecured Notes 6.75 Percent Due 2033    
Long-term debt    
Long-term debt, gross 400,000,000 400,000,000
Face amount of debt $ 400,000,000 $ 400,000,000
Debt instrument, interest rate, stated percentage 6.75% 6.75%
Senior Unsecured Notes 6.250 Percent Due 2054    
Long-term debt    
Long-term debt, gross $ 400,000,000 $ 400,000,000
Face amount of debt $ 400 $ 400
Debt instrument, interest rate, stated percentage 6.25% 6.25%
Senior Unsecured Notes 5.625 Percent Due 2034    
Long-term debt    
Long-term debt, gross $ 800,000,000 $ 800,000,000
Face amount of debt $ 800 $ 800
Debt instrument, interest rate, stated percentage 5.625% 5.625%
Senior Unsecured Notes 5.750 Percent Due 2037    
Long-term debt    
Long-term debt, gross $ 700,000,000 $ 700,000,000
Face amount of debt $ 700,000,000 $ 700,000,000
Debt instrument, interest rate, stated percentage 5.75% 5.75%
Senior Unsecured Notes 5.250 Percent Due 2033    
Long-term debt    
Long-term debt, gross $ 600,000,000 $ 600,000,000
Face amount of debt $ 600,000,000 $ 600,000,000
Debt instrument, interest rate, stated percentage 5.25% 5.25%
Senior Unsecured Notes 5.625 Percent Due 2036    
Long-term debt    
Long-term debt, gross $ 800,000,000 $ 0
Face amount of debt $ 800,000,000 $ 800,000,000
Debt instrument, interest rate, stated percentage 5.625% 5.625%