XML 82 R68.htm IDEA: XBRL DOCUMENT v3.21.1
Debt (Senior Notes - Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Aug. 31, 2020
Jan. 31, 2015
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Jul. 24, 2020
Apr. 07, 2020
Jul. 31, 2018
Debt Instrument [Line Items]                
Gain on extinguishment of debt     $ 0 $ 28        
Senior Notes                
Debt Instrument [Line Items]                
Gain on extinguishment of debt       28        
Repayments of Long-term Debt       $ 52        
Senior Notes | LIBOR                
Debt Instrument [Line Items]                
Incremental increase in basis points resulting from downgrades   0.25%            
Incremental decrease in basis points resulting from upgrades   0.25%            
4.95% Senior Notes due January 2025 | Senior Notes                
Debt Instrument [Line Items]                
Senior notes   $ 1,000            
Stated interest rate   4.95% 4.95% 4.95% 4.95% 6.45%   6.20%
Stated interest rate cap             6.95%  
Repurchased amount       $ 28        
4.10% Senior Notes due March 2022 | Senior Notes                
Debt Instrument [Line Items]                
Stated interest rate     4.10% 4.10% 4.10%      
Repurchased amount       $ 3        
7.50% Senior Notes Due April 2026 | Senior Notes                
Debt Instrument [Line Items]                
Stated interest rate     7.50% 7.50% 7.50%      
Repurchased amount       $ 18        
7.75% Senior Notes due October 2027 | Senior Notes                
Debt Instrument [Line Items]                
Stated interest rate     7.75% 7.75% 7.75%      
Repurchased amount       $ 31        
8.375% Senior Notes due September 2028 | Senior Notes                
Debt Instrument [Line Items]                
Senior notes $ 350              
Stated interest rate 8.375%   8.375%   8.375%      
Proceeds from issuance of long-term debt $ 345              
Percentage price of face value of the notes sold to the public 100.00%              
Eight Point Eight Seven Five Percent Senior Notes Due 2023 | Senior Notes | Montage Resources Corporation                
Debt Instrument [Line Items]                
Senior notes $ 510              
Stated interest rate 8.875%