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Partners' Capital and Distributions (Tables) | 6 Months Ended
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Jun. 30, 2016
Partners' Capital and Distributions |
Schedule of activity for Series A preferred units and common units | The following tables present the activity for our Series A preferred units and common units:
|  | Limited Partners |
|  | Preferred Units |  | Common Units |
Outstanding at December 31, 2015 |  | — |  | 397,727,624 |
Sale of Series A preferred units |  | 61,030,127 |  | — |
Issuance of Series A preferred units in connection with in-kind distribution |  | 858,439 |  | — |
Issuance of common units under LTIP |  | — |  | 9,104 |
Outstanding at June 30, 2016 |  | 61,888,566 |  | 397,736,728 |
|  | Limited Partners |
|  | Common Units |
Outstanding at December 31, 2014 |  | 375,107,793 |
Sale of common units |  | 22,133,904 |
Issuance of common units under LTIP |  | 438,517 |
Outstanding at June 30, 2015 |  | 397,680,214 |
Schedule of distributions paid in cash, net of reductions to the general partner's incentive distributions | The following table details the distributions paid in cash during or pertaining to the first six months of 2016, net of reductions to the general partner’s incentive distributions (in millions, except per unit data):
|  |  |  | Distributions |  | Distributions per |
Date Declared |  | Distribution Date |  | Common Unitholders |  | General Partner |  | Total |  | common unit |
July 11, 2016 |  | August 12, 2016 (1) |  | $ | 278 |  | $ | 155 |  | $ | 433 |  |  | $ | 0.70 |
April 7, 2016 |  | May 13, 2016 |  | $ | 278 |  | $ | 155 |  | $ | 433 |  |  | $ | 0.70 |
January 12, 2016 |  | February 12, 2016 |  | $ | 278 |  | $ | 155 |  | $ | 433 |  |  | $ | 0.70 |
| (1) |  | Payable to unitholders of record at the close of business on July 29, 2016 for the period April 1, 2016 through June 30, 2016.

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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