XML 64 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Financial Information by Business Segment - Schedule of Segment Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Segment assets:    
Total assets $ 28,661,329 $ 29,522,604
Operating Segments    
Segment assets:    
Total assets 28,228,246 28,805,042
Operating Segments | EQT Production    
Segment assets:    
Total assets 19,278,308 21,015,132
Operating Segments | EQM Gathering    
Segment assets:    
Total assets 5,994,891 5,681,404
Operating Segments | EQM Transmission    
Segment assets:    
Total assets 2,813,644 1,923,427
Operating Segments | EQM Water    
Segment assets:    
Total assets 141,403 185,079
Headquarters assets, including cash and short-term investments    
Segment assets:    
Total assets $ 433,083 $ 717,562