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Partners' Capital (Tables) | 3 Months Ended
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Mar. 31, 2017
Partners' Capital [Abstract] |
Schedule of Common Units | Activity of our common units for the three months ended March 31, 2017 is as follows:
| Number of Units
Number of common units at December 31, 2016 | 98,181,046 |
Common units issued in connection with the ATM | 1,268,750 |
Phantom unit vesting | 5,921 |
Number of common units at March 31, 2017 | 99,455,717 |
Schedule of Net Income Allocation By Partners | The calculation of net income allocated to the partners is as follows (in millions, except per unit amounts):
| For the Three Months Ended March 31,
| 2017 |  | 2016
Attributable to Common Units |  |  |
Distributions (a) | $ | 82 |  |  | $ | 78 |
Distributions in excess of net income | (104 | ) |  | (40 | )
Limited partners' interest in net income (loss) | $ | (22 | ) |  | $ | 38 |
(a) Distributions declared per unit to unitholders as of record date | $ | 0.8255 |  |  | $ | 0.8173 |
Schedule of Incentive Distribution Rights to Limited Partners |
|  |  | Marginal percentage interest in distributions
| Total quarterly distribution per Common Unit target amount |  | Common Unitholders |  | Holder of IDRs
Minimum Quarterly Distribution | $0.4375 |  | 100 | % |  | — |
First Target Distribution | Above $0.4375 up to $0.503125 |  | 100 | % |  | — |
Second Target Distribution | Above $0.503125 up to $0.546875 |  | 85 | % |  | 15 | %
Third Target Distribution | Above $0.546875 up to $0.656250 |  | 75 | % |  | 25 | %
Thereafter | Above $0.656250 |  | 50 | % |  | 50 | %
Distributions Made to Limited Partner, by Distribution | ash distributions paid or payable during 2017 were as follows:
|  | Limited Partners |  |
Payment Date |  | Per Unit Distribution |  | Total Cash Distribution |  | Distribution to IDR Holders
|  | (in millions, except per unit amounts)
May 16, 2017 |  | $ | 0.8255 |  |  | $ | 82 |  |  | $ | 21 |
February 21, 2017 |  | $ | 0.8255 |  |  | $ | 81 |  |  | $ | 21 |

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