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Long-Term Debt Additional Information (Details) - USD ($)
9 Months Ended
Sep. 15, 2021
Sep. 30, 2021
Nov. 02, 2021
Nov. 01, 2021
Oct. 01, 2021
Dec. 31, 2020
Debt Instrument            
Line of Credit Facility, Remaining Borrowing Capacity   $ 1,600,000,000        
Letters of Credit Outstanding, Amount   18,700,000        
Line of Credit Facility, Current Borrowing Capacity   $ 1,800,000,000        
1.125% Convertible Senior Notes due 2021 [Member]            
Debt Instrument            
Repayments of Debt $ 200,000,000          
6.125% Senior Notes due 2024 [Member]            
Debt Instrument            
Debt Instrument, Interest Rate, Stated Percentage   6.125%        
Debt Instrument, Maturity Date   Sep. 15, 2024        
Debt Instrument, Frequency of Periodic Payment   March 15, September 15        
Debt Instrument, Redemption Period, End Date   Sep. 15, 2022        
6.25% Senior Notes due 2025 [Member]            
Debt Instrument            
Debt Instrument, Interest Rate, Stated Percentage   6.25%        
Debt Instrument, Maturity Date   Dec. 01, 2025        
Debt Instrument, Frequency of Periodic Payment   June 1, December 1        
Debt Instrument, Redemption Period, End Date   Dec. 01, 2023        
5.75% Senior Notes due 2026 [Member]            
Debt Instrument            
Debt Instrument, Interest Rate, Stated Percentage   5.75%        
Debt Instrument, Maturity Date   May 15, 2026        
Debt Instrument, Frequency of Periodic Payment   May 15, November 15        
Debt Instrument, Redemption Period, End Date   May 15, 2024        
Principal amount   $ 750,000,000        
Revolving Credit Facility | Subsequent Event [Member]            
Debt Instrument            
Line Of Credit Facility Initial Borrowing Capacity     $ 2,500,000,000      
6.125% Senior Notes due 2024 [Member]            
Debt Instrument            
Principal amount   400,000,000        
6.125% Senior Notes due 2024 [Member] | Subsequent Event [Member]            
Debt Instrument            
Principal amount   200     $ 200,000,000  
6.25% Senior Notes due 2025 [Member]            
Debt Instrument            
Principal amount   102,324,000        
6.25% Senior Notes due 2025 [Member] | Subsequent Event [Member]            
Debt Instrument            
Principal amount       $ 102,300,000    
Revolving Credit Facility            
Debt Instrument            
Debt Issuance Costs, Line of Credit Arrangements, Net   5,600,000       $ 8,100,000
Initial Borrowing Base [Member] | Revolving Credit Facility            
Debt Instrument            
Line Of Credit Facility Initial Borrowing Capacity   $ 2,500,000,000        
Initial Borrowing Base [Member] | Revolving Credit Facility | Subsequent Event [Member]            
Debt Instrument            
Line Of Credit Facility Initial Borrowing Capacity     2,400,000,000      
Alternate Base Rate Option [Member]            
Debt Instrument            
Line of Credit Facility, Interest Rate at Period End   0.75%        
LIBOR Option [Member]            
Debt Instrument            
Line of Credit Facility, Interest Rate at Period End   1.75%        
Unused Commitment Fee [Member]            
Debt Instrument            
Line of Credit Facility, Interest Rate at Period End   0.375%        
Elected commitment [Member]            
Debt Instrument            
Line of Credit Facility, Current Borrowing Capacity   $ 1,600,000,000        
Elected commitment [Member] | Subsequent Event [Member]            
Debt Instrument            
Line of Credit Facility, Current Borrowing Capacity     $ 1,500,000,000