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Consolidated Statement of Changes in Partners' Equity - USD ($) $ in Millions | Total | ETP [Member] | Energy Transfer Equity L P Purchaser [Member] | Series A Preferred Unit [Member] | Common Units - Public [Member] | Common Units Affiliated [Member] | Subordinated Units [Member] | Predecessor Equity [Domain] | Predecessor Equity [Domain] ETP [Member] | Noncontrolling Interest [Member] | Common Units [Member] | Common Units [Member] ETP [Member] | Common Units [Member] Energy Transfer Equity L P Purchaser [Member] | Susser [Member] | Susser [Member] Predecessor Equity [Domain] | Sunoco LLC [Member] | Sunoco LLC [Member] Predecessor Equity [Domain]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | $ 6,008 |  |  | $ 0 |  |  | $ 0 | $ 5,112 |  | $ (6) | $ 902 |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contribution from parent |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (967) | $ 967 | $ (775) | $ 775
Contribution of assets between entities under common control above historic cost | (1,008) |  |  |  |  |  | (60) | (1,069) |  |  | (1) |  |  |  |  |  |
Cancellation of promissory note with ETP | 255 |  |  |  |  | $ 0 |  |  |  |  | 255 |  |  |  |  |  |
Unit-based compensation | 8 |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |
Cash distributions to unitholders | (120) | $ (204) |  |  | $ (8) |  |  |  | $ (179) |  | (112) | $ 25 |  |  |  |  |
Partners' Capital Account, Sale of Units | 1,008 |  |  |  |  |  |  |  |  |  | 1,008 |  |  |  |  |  |
Equity issued | 899 |  |  |  |  |  |  |  |  |  | 899 |  |  |  |  |  |
Subordinated unit conversion | 0 |  |  |  |  |  | (60) |  |  |  | 60 |  |  |  |  |  |
Other | (35) |  |  |  |  |  |  | (7) |  | 2 | (30) |  |  |  |  |  |
Net Income (loss) | 194 |  |  |  |  |  | 8 | 103 |  | 4 | 79 |  |  |  |  |  |
Ending balance at Dec. 31, 2015 | 5,263 |  |  | 0 |  |  | 0 | 2,218 |  | 0 | 3,045 |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contribution from parent | (2,200) |  |  |  |  |  |  | 2,200 |  |  |  |  |  |  |  |  |
Contribution of assets between entities under common control above historic cost | (392) |  |  |  |  |  |  | (18) |  |  | (374) |  |  |  |  |  |
Cancellation of promissory note with ETP | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unit-based compensation | 13 |  |  |  |  |  |  |  |  |  | 13 |  |  |  |  |  |
Cash distributions to unitholders | (386) | (50) |  |  |  |  |  |  |  |  | (386) | (50) |  |  |  |  |
Partners' Capital Account, Sale of Units |  | $ 194 | $ 61 |  |  |  |  |  |  |  |  | $ 194 | $ 61 |  |  |  |
Equity issued | 71 |  |  |  |  |  |  |  |  |  | 71 |  |  |  |  |  |
Other | 28 |  |  |  |  |  |  |  |  |  | 28 |  |  |  |  |  |
Net Income (loss) | (406) |  |  |  |  |  |  |  |  |  | (406) |  |  |  |  |  |
Ending balance at Dec. 31, 2016 | 2,196 |  |  | 0 |  |  | 0 | 0 |  | 0 | 2,196 |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of promissory note with ETP | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unit-based compensation | 24 |  |  |  |  |  |  |  |  |  | 24 |  |  |  |  |  |
Cash distributions to unitholders |  |  |  | (23) |  |  |  |  |  |  | (420) |  |  |  |  |  |
Equity issued | 33 |  |  |  |  |  |  |  |  |  | 33 |  |  |  |  |  |
Other | (12) |  |  |  |  |  |  |  |  |  | (12) |  |  |  |  |  |
Net Income (loss) | 149 |  |  | 23 |  |  |  |  |  |  | 126 |  |  |  |  |  |
Ending balance at Dec. 31, 2017 | 2,247 |  |  | 300 |  |  | $ 0 | $ 0 |  | $ 0 | $ 1,947 |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement | $ 300 |  |  | $ 300 |  |  |  |  |  |  |  |  |  |  |  |  |

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