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Equity and Distributions (Tables) | 12 Months Ended
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Dec. 31, 2016
Equity and Distributions [Abstract] |
Summary of Changes in Outstanding Units | Partners’ equity reflects the various classes of limited partner interests (i.e., common units, including restricted common units) outstanding. The following table summarizes changes in the number of our outstanding units since January 1, 2014:
| Common Units (Unrestricted) |  | Restricted Common Units |  | Total Common Units
Number of units outstanding at January 1, 2014 |  | 1,864,148,802 |  |  | 7,221,214 |  |  | 1,871,370,016
Common units issued in connection with ATM program |  | 1,590,334 |  |  | -- |  |  | 1,590,334
Common units issued in connection with DRIP and EUPP |  | 9,754,227 |  |  | -- |  |  | 9,754,227
Common units issued in connection with Step 1 of Oiltanking acquisition |  | 54,807,352 |  |  | -- |  |  | 54,807,352
Common units issued in connection with the vesting and exercise of unit options |  | 1,014,108 |  |  | -- |  |  | 1,014,108
Common units issued in connection with the vesting of phantom unit awards |  | 23,311 |  |  | -- |  |  | 23,311
Common units issued in connection with the vesting of restricted common unit awards |  | 2,634,074 |  |  | (2,634,074) |  |  | --
Forfeiture of restricted common unit awards |  | -- |  |  | (357,350) |  |  | (357,350)
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards |  | (894,383) |  |  | -- |  |  | (894,383)
Other |  | 17,202 |  |  | -- |  |  | 17,202
Number of units outstanding at December 31, 2014 |  | 1,933,095,027 |  |  | 4,229,790 |  |  | 1,937,324,817
Common units issued in connection with ATM program |  | 25,520,424 |  |  | -- |  |  | 25,520,424
Common units issued in connection with DRIP and EUPP |  | 12,793,913 |  |  | -- |  |  | 12,793,913
Common units issued in connection with Step 2 of Oiltanking acquisition |  | 36,827,517 |  |  | -- |  |  | 36,827,517
Common units issued in connection with the vesting and exercise of unit options |  | 396,158 |  |  | -- |  |  | 396,158
Common units issued in connection with the vesting of phantom unit awards |  | 618,395 |  |  | -- |  |  | 618,395
Common units issued in connection with the vesting of restricted common unit awards |  | 2,009,970 |  |  | (2,009,970) |  |  | --
Forfeiture of restricted common unit awards |  | -- |  |  | (259,300) |  |  | (259,300)
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards |  | (683,954) |  |  | -- |  |  | (683,954)
Other |  | 15,054 |  |  | -- |  |  | 15,054
Number of units outstanding at December 31, 2015 |  | 2,010,592,504 |  |  | 1,960,520 |  |  | 2,012,553,024
Common units issued in connection with ATM program |  | 87,867,037 |  |  | -- |  |  | 87,867,037
Common units issued in connection with DRIP and EUPP |  | 16,316,534 |  |  | -- |  |  | 16,316,534
Common units issued in connection with the vesting of phantom unit awards |  | 1,761,455 |  |  | -- |  |  | 1,761,455
Common units issued in connection with the vesting of restricted common unit awards |  | 1,234,502 |  |  | (1,234,502) |  |  | --
Forfeiture of restricted common unit awards |  | -- |  |  | (43,724) |  |  | (43,724)
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards |  | (1,000,619) |  |  | -- |  |  | (1,000,619)
Other |  | 134,707 |  |  | -- |  |  | 134,707
Number of units outstanding at December 31, 2016 |  | 2,116,906,120 |  |  | 682,294 |  |  | 2,117,588,414
Components of Accumulated Other Comprehensive Income (Loss) | The following tables present the components of accumulated other comprehensive income (loss) as reported on our Consolidated Balance Sheets at the dates indicated:
|  | Gains (Losses) on Cash Flow Hedges |  |  |  |  |  |  |
|  | Commodity Derivative Instruments |  |  | Interest Rate Derivative Instruments |  |  | Other |  |  | Total |
Balance, December 31, 2014 |  | $ | 69.9 |  |  | $ | (314.8 | ) |  | $ | 3.3 |  |  | $ | (241.6 | )
Other comprehensive income before reclassifications |  |  | 214.9 |  |  |  | -- |  |  |  | 0.4 |  |  |  | 215.3 |
Amounts reclassified from accumulated other comprehensive (income) loss |  |  | (228.2 | ) |  |  | 35.3 |  |  |  | -- |  |  |  | (192.9 | )
Total other comprehensive income (loss) |  |  | (13.3 | ) |  |  | 35.3 |  |  |  | 0.4 |  |  |  | 22.4 |
Balance, December 31, 2015 |  |  | 56.6 |  |  |  | (279.5 | ) |  |  | 3.7 |  |  |  | (219.2 | )
Other comprehensive income (loss) before reclassifications |  |  | (193.8 | ) |  |  | 42.3 |  |  |  | (0.1 | ) |  |  | (151.6 | )
Amounts reclassified from accumulated other comprehensive loss |  |  | 53.4 |  |  |  | 37.4 |  |  |  | -- |  |  |  | 90.8 |
Total other comprehensive income (loss) |  |  | (140.4 | ) |  |  | 79.7 |  |  |  | (0.1 | ) |  |  | (60.8 | )
Balance, December 31, 2016 |  | $ | (83.8 | ) |  | $ | (199.8 | ) |  | $ | 3.6 |  |  | $ | (280.0 | )
Reclassifications out of Accumulated Other Comprehensive Income (Loss) Into Net Income | The following table presents reclassifications out of accumulated other comprehensive income (loss) into net income during the periods indicated:
|  |  | For the Year Ended December 31, |
| Location |  | 2016 |  |  | 2015 |
Losses (gains) on cash flow hedges: |  |  |  |  |  |  |
Interest rate derivatives | Interest expense |  | $ | 37.4 |  |  | $ | 35.3 |
Commodity derivatives | Revenue |  |  | 53.6 |  |  |  | (231.7 | )
Commodity derivatives | Operating costs and expenses |  |  | (0.2 | ) |  |  | 3.5 |
Total |  |  | $ | 90.8 |  |  | $ | (192.9 | )
Components of Net Income Attributable to Noncontrolling Interests | The following table presents the components of net income attributable to noncontrolling interests as presented on our Statements of Consolidated Operations for the periods indicated:
|  | For the Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Limited partners of Oiltanking other than EPO |  | $ | -- |  |  | $ | 7.8 |  |  | $ | 14.2 |
Joint venture partners |  |  | 39.9 |  |  |  | 29.4 |  |  |  | 31.9 |
Total |  | $ | 39.9 |  |  | $ | 37.2 |  |  | $ | 46.1 |
Cash Distributions Paid to and Cash Contributions Received From Noncontrolling Interests | The following table presents cash distributions paid to and cash contributions received from noncontrolling interests as presented on our Statements of Consolidated Cash Flows and Statements of Consolidated Equity for the periods indicated:
|  | For the Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Cash distributions paid to noncontrolling interests: |  |  |  |  |  |  |  |  |
Limited partners of Oiltanking other than EPO |  | $ | -- |  |  | $ | 8.1 |  |  | $ | 7.7 |
Joint venture partners |  |  | 47.4 |  |  |  | 39.9 |  |  |  | 40.9 |
Total |  | $ | 47.4 |  |  | $ | 48.0 |  |  | $ | 48.6 |
Cash contributions from noncontrolling interests: |  |  |  |  |  |  |  |  |  |  |  |
Joint venture partners |  | $ | 20.4 |  |  | $ | 54.0 |  |  | $ | 4.0 |
Declared Quarterly Cash Distribution Rates | The following table presents Enterprise’s declared quarterly cash distribution rates per common unit with respect to the quarter indicated. Actual cash distributions are paid by Enterprise within 45 days after the end of each fiscal quarter.
|  | Distribution Per Common Unit |  | Record Date | Payment Date
2014: |  |  |  |  |
1st Quarter |  | $ | 0.3550 |  | 4/30/2014 | 5/7/2014
2nd Quarter |  | $ | 0.3600 |  | 7/31/2014 | 8/7/2014
3rd Quarter |  | $ | 0.3650 |  | 10/31/2014 | 11/7/2014
4th Quarter |  | $ | 0.3700 |  | 1/30/2015 | 2/6/2015
2015: |  |  |  |  |  |
1st Quarter |  | $ | 0.3750 |  | 4/30/2015 | 5/7/2015
2nd Quarter |  | $ | 0.3800 |  | 7/31/2015 | 8/7/2015
3rd Quarter |  | $ | 0.3850 |  | 10/30/2015 | 11/6/2015
4th Quarter |  | $ | 0.3900 |  | 1/29/2016 | 2/5/2016
2016: |  |  |  |  |  |
1st Quarter |  | $ | 0.3950 |  | 4/29/2016 | 5/6/2016
2nd Quarter |  | $ | 0.4000 |  | 7/29/2016 | 8/5/2016
3rd Quarter |  | $ | 0.4050 |  | 10/31/2016 | 11/7/2016
4th Quarter |  | $ | 0.4100 |  | 1/31/2017 | 2/7/2017

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