Property, Plant and Equipment and Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Depreciation expenses for property, plant and equipment		$ 601.5	$ 540.4	$ 289.5
Non-cash pre-tax impairment charges	$ 32.6		32.6	3.2
Additions from acquisition			1,354.9
Estimated useful lives		20 years
Estimated amortization expense for intangible assets [Abstract]
Amortization		$ 156.1	136.7	$ 61.5
2017		149.4
2018		135.7
2019		124.7
2020		112.5
2021		$ 102.6
Weighted average amortization period, intangible assets		17 years 7 months 6 days
Atlas Energy [Member]
Property, Plant and Equipment [Line Items]
Additions from acquisition			$ 1,354.9
Estimated useful lives			20 years
Badlands [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives			20 years