Term of contract.

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Percent of intangible assets acquired in relation to total assets acquired.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Business Acquisitions, Purchase Price Allocation (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Jul. 02, 2015	Dec. 31, 2014
Liabilities assumed in business combination:
Goodwill	$ 5,749.2		$ 4,300.2
EFS Midstream Contract with Producers [Member]
Description of Business Combination:
Contractual obligation	$ 270.0
Contract term (in years)	10 years
Eagle Ford Midstream Assets [Member]
Consideration:
Cash	$ 1,058.5
Accrued liability related to EFS Midstream acquisition	997.7
Total consideration	2,056.2
Indentifiable assets acquired in business combination:
Current assets, including cash of $13.4 million		$ 64.0
Property, plant, and equipment		636.0
Customer relationship intangible assets		1,409.8
Total assets acquired		2,109.8
Liabilities assumed in business combination:
Current liabilities		(9.6)
Long-term debt		(125.0)
Other long-term liabilities		(1.3)
Total liabilities assumed		(135.9)
Total assets acquired less liabilities assumed		1,973.9
Total consideration given for ownership interests in EFS Midstream	$ 2,056.2
Goodwill		82.3
Description of Business Combination:
Cash acquired		13.4
Eagle Ford Midstream Assets [Member] \| Pipelines and related equipment [Member]
Indentifiable assets acquired in business combination:
Property, plant, and equipment		366.0
Eagle Ford Midstream Assets [Member] \| Processing equipment [Member]
Indentifiable assets acquired in business combination:
Property, plant, and equipment		112.0
Eagle Ford Midstream Assets [Member] \| Electrical and metering equipment [Member]
Indentifiable assets acquired in business combination:
Property, plant, and equipment		84.0
Eagle Ford Midstream Assets [Member] \| Pumps and compressors [Member]
Indentifiable assets acquired in business combination:
Property, plant, and equipment		42.0
Eagle Ford Midstream Assets [Member] \| Other property, plant and equipment [Member]
Indentifiable assets acquired in business combination:
Property, plant, and equipment		$ 32.0
Eagle Ford Midstream Assets [Member] \| Customer relationship intangibles [Member]
Description of Business Combination:
Intangible assets as a percent of total assets acquired (in hundredths)		67.00%
Cash flow projections discount rate (in hundredths)	15.00%