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Supplemental Gas Data (unaudited) - Future Cash Flow of Proved Reserves (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
usd_per_mcf
usd_per_bbl
Dec. 31, 2020
USD ($)
usd_per_mcf
usd_per_bbl
Dec. 31, 2019
USD ($)
usd_per_mcf
usd_per_bbl
Dec. 31, 2018
USD ($)
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]        
Revenues $ 31,838,532 $ 16,577,563 $ 19,489,588  
Production Costs (8,246,671) (6,071,763) (7,903,120)  
Development Costs (1,735,784) (1,957,519) (1,121,073)  
Income Tax Expense (5,838,632) (2,235,205) (2,720,994)  
Future Net Cash Flows 16,017,445 6,313,076 7,744,401  
Discounted to Present Value at a 10% Annual Rate (10,135,869) (3,677,340) (4,673,932)  
Total Standardized Measure of Discounted Net Cash Flows 5,881,576 2,635,736 $ 3,070,469 $ 4,655,457
Increase in standardized measure of discounted net cash flows   932,000    
Development costs, plugging and abandonment costs 405,700 402,174    
Pre-tax discounted basis, plugging and abandonment costs 7,166 18,357    
Midstream        
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]        
Development costs relating to capital 185,074 286,724    
Pre-tax discounted basis, development costs relating to capital $ 154,200 $ 231,512    
Natural Gas        
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]        
Adjusted oil price (in usd per unit) | usd_per_mcf 3.19 1.70 2.24  
Oil        
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]        
Adjusted oil price (in usd per unit) | usd_per_bbl 55.72 35.61 44.31  
NGL        
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]        
Adjusted oil price (in usd per unit) | usd_per_bbl 28.44 13.18 19.10