v3.26.1
Supplemental Oil and Gas Disclosures (unaudited) - Narrative (Details)
$ in Billions
 12 Months Ended
Dec. 31, 2025
USD ($)
a
item
MMcfe
Dec. 31, 2024
a
item
MMcfe
Dec. 31, 2023
a
item
MMcfe
Sep. 29, 2025
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Increase (decrease) in proved reserves 2,789,100 (961,900) (2,042,100)  
Revision of estimates 2,200,960 (714,942) (1,986,263)  
Net purchases of minerals in place 742,978      
Extensions and discoveries 129,554 139,208 227,806  
Improved recoveries 20,560 52,228 30,162  
Production 304,975 288,413 313,804  
Oil and gas, development of locations. gross | a     112  
Oil and gas, undeveloped acreage, gross | a 11 16 22  
Oil and gas, undeveloped acreage, net | a 8.9 14.4 21.2  
Gas, productive well, number of wells, gross | item 1,002      
Gas, productive well, number of wells, net | item 877.6      
Undeveloped reserves converted to developed 0 0 0  
Number of wells completed, gross | item 34 8 22  
Number of wells completed, net | item 31 7.9 8.1  
Net sales of minerals in place   (149,963)    
Oil and gas, undeveloped location, net | a     104.8  
Bedrock Acquisition        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Asset acquisition, voting equity interest acquired, percentage 100.00%     100.00%
NEPA        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Extensions and discoveries     28,700  
Oil and gas, development of locations. gross | a 86 38    
Oil and Gas, development of locations. net | a 81.2 35.1    
Oil and gas, undeveloped acreage, gross | a     3  
Oil and gas, undeveloped acreage, net | a     1.1  
Number of locations, divested, gross | a   330    
Number of locations, divested, net | a   39.6    
Developed Reserves        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Revision of estimates 915,783 (235,580) (1,191,886)  
Net purchases of minerals in place 494,590      
Extensions and discoveries 0 0 1,289  
Improved recoveries 20,560 52,228 30,162  
Production 304,975 288,413 313,804  
Undeveloped reserves converted to developed 211,803 57,581 31,924  
Net sales of minerals in place   (103,887)    
Undeveloped Reserves        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Revision of estimates 1,285,177 (479,362) (794,377)  
Net purchases of minerals in place 248,388      
Extensions and discoveries 129,554 139,208 226,517  
Improved recoveries 0 0 0  
Production 0 0 0  
Undeveloped reserves converted to developed (211,803) (57,581) (31,924)  
Development costs | $ $ 1.0      
Net sales of minerals in place   (46,076)    
Undeveloped Reserves | Lower Average Pricing        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Revision of estimates 679,200 213,700 (273,100)  
Undeveloped Reserves | Lower Capital Spend        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Revision of estimates 599,200 265,600 (521,300)  
Undeveloped Reserves, Specific Locations        
Oil and Gas, Proved Reserve, Quantity [Line Items]        
Extensions and discoveries     197,800