Statements of Condensed Consolidated Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Natural gas, tax (benefit)	$ 81,279	$ 16,036
Interest rate, tax	75	75
Pension and other post-retirement benefits liability adjustment, tax expense	$ 382	$ 340
Dividends (in dollars per share)	$ 0.09	$ 0.09
EQM
Distributions to noncontrolling interests (in dollars per common unit)	1.83	$ 1.47
EQGP
Distributions to noncontrolling interests (in dollars per common unit)	$ 0.04739