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Business Combinations (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 14 Months Ended
--- | --- | --- | --- | --- | ---
Feb. 28, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Feb. 13, 2015
Description of Business Combinations: |  |  |  |  |  |  |
Cash paid to acquire business |  |  |  | $ 1,000.0 | $ 1,056.5 | $ 2,416.8 |
Intangible assets reclassified to goodwill |  |  |  |  | 1,454.1 |  |
EFS Midstream Contract with Producers [Member] |  |  |  |  |  |  |
Description of Business Combinations: |  |  |  |  |  |  |
Contractual obligation |  |  | $ 270.0 | $ 270.0 | $ 270.0 |  |
Contract term |  |  |  | 10 years | 10 years |  |
Eagle Ford Midstream Assets [Member] |  |  |  |  |  |  |
Description of Business Combinations: |  |  |  |  |  |  |
Business acquisition, description |  |  |  | The EFS Midstream System includes approximately 460 miles of gathering pipelines, 11 central gathering plants, 171 thousand barrels per day of condensate stabilization capacity and 1.0 billion cubic feet per day of associated natural gas treating capacity. |  |  |
Total consideration for acquisition |  |  |  |  | $ 2,056.5 |  |
Revenues from acquired assets |  |  | 117.8 |  |  |  |
Net income from acquired assets |  |  | $ 59.9 |  |  |  |
Oiltanking Partners L.P. [Member] |  |  |  |  |  |  |
Description of Business Combinations: |  |  |  |  |  |  |
Business acquisition, description |  |  |  | Oiltanking owned marine terminals located on the Houston Ship Channel and at the Port of Beaumont with a total of 12 ship and barge docks and approximately 26 MMBbls of crude oil and petroleum products storage capacity. Oiltanking’s marine terminal on the Houston Ship Channel is connected by pipeline to our Mont Belvieu, Texas complex and is integral to our growing LPG export, crude oil storage and octane enhancement and propylene businesses. Our ECHO facility is also connected to Oiltanking’s system. |  |  |
Total consideration for acquisition |  |  |  |  |  | $ 4,400.0 | $ 6,020.0
Number of common units issued for each subordinated unit converted (in units) |  |  |  |  |  | 1 |
Noncontrolling interests acquired |  |  |  |  | 1,400.0 |  |
Number of units owned upon conversion (in units) |  |  |  |  |  | 54,799,604 |
Limited partner interests acquired |  | 65.90% |  |  |  | 65.90% |
Intangible assets reclassified to goodwill |  |  |  |  | $ 1,454.1 |  |
Revenues from acquired assets |  | $ 57.5 |  |  |  |  |
Net income from acquired assets |  | $ 8.1 |  |  |  |  |
Oiltanking Partners L.P. - Step 1 [Member] |  |  |  |  |  |  |
Description of Business Combinations: |  |  |  |  |  |  |
Common units acquired (in units) |  |  |  |  |  | 15,899,802 |
Subordinated units acquired (in units) |  |  |  |  |  | 38,899,802 |
Total consideration for acquisition |  |  |  |  |  | $ 4,609.8 |
Cash paid to acquire business |  |  |  |  |  | $ 2,210.0 |
Common units issued in connection with acquisition |  |  |  |  |  | 54,807,352 |
Cash paid to assume notes receivable |  |  |  |  |  | $ 228.3 |
Taxable income, goodwill amortization period |  |  |  |  |  | 15 years |
Acquisition related costs |  |  |  |  |  | $ 3.8 |
Oiltanking Partners L.P. - Step 2 [Member] |  |  |  |  |  |  |
Description of Business Combinations: |  |  |  |  |  |  |
Common units issued in connection with acquisition | 36,827,517 |  |  |  |  |  |
Common units exchanged for each Oiltanking unit (in units) | 1.3 |  |  |  |  |  |
Intangible assets reclassified to goodwill | $ 1,460.0 |  |  |  |  |  |

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- Definition With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460 + Details
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- Definition The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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