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Consolidated Statements of Equity - USD ($) $ in Millions | Total | MPC | Common Unitholders Public | Common Unitholders MPC | Common Unitholder GP MPC | Class B Unitholders Public | General Partner MPC | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (Predecessor) at Dec. 31, 2015 | [1] |  |  | $ 692 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2015 |  | $ 9,946 | [1] |  | $ 7,691 | $ 465 |  | $ 266 | $ 819 | $ 13
Distributions to MPC from Predecessor | Predecessor |  |  |  | (104) |  |  |  |  |  |
Distributions to MPC from Predecessor |  |  |  | 0 |  |  |  |  |  |
Issuance of units under ATM Program |  | 321 |  |  | 315 |  |  |  | 6 |
Net income (loss) | Predecessor | [1] |  |  | 98 |  |  |  |  |  |
Net income (loss) |  | 49 | [1] |  | (107) | (28) |  |  | 85 | 1
Allocation of MPC's net investment at acquisition | Predecessor |  |  |  | (332) |  |  |  |  |  |
Allocation of MPC's net investment at acquisition |  |  |  |  |  | 669 |  |  | (337) |
Distributions to unitholders and general partner |  | (391) |  |  | (248) | (57) |  |  | (86) |
Distributions to noncontrolling interests |  | (1) |  |  |  |  |  |  |  | (1)
Contributions from noncontrolling interests |  | 2 |  |  |  |  |  |  |  | 2
Non-cash contribution from MPC | Predecessor |  |  |  | 334 |  |  |  |  |  |
Non-cash contribution from MPC |  | 334 |  |  |  |  |  |  |  |
Equity-based compensation |  | 5 |  |  | 5 |  |  |  |  |
Deferred income tax impact from changes in equity |  | 0 |  |  | 2 | 0 |  |  | (2) |
Ending Balance (Predecessor) at Jun. 30, 2016 | [1] |  |  | 688 |  |  |  |  |  |
Ending Balance at Jun. 30, 2016 |  | 10,161 | [1] |  | 7,658 | 1,049 |  | 266 | 485 | 15
Beginning Balance (Predecessor) at Dec. 31, 2016 | [1] |  |  | 791 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2016 |  | 11,110 | [1] |  | 8,086 | 1,069 |  | 133 | 1,013 | 18
Distributions to MPC from Predecessor | Predecessor |  |  |  | (113) |  |  |  |  |  |
Distributions to MPC from Predecessor |  |  |  | (1,511) |  | (430) |  |  | (1,081) |
Issuance of units under ATM Program |  | 443 |  |  | 434 |  |  |  | 9 |
Net income (loss) | Predecessor |  |  |  | 36 |  |  |  |  |  |
Net income (loss) |  | 345 |  |  | 127 | 41 | $ 3 |  | 136 | 2
Contribution from MPC | Predecessor |  |  |  | 12 |  |  |  |  |  |
Contribution from MPC |  | 12 |  |  |  | 0 |  |  | 0 |
Allocation of MPC's net investment at acquisition | Predecessor |  |  |  | $ (726) |  |  |  |  |  |
Allocation of MPC's net investment at acquisition |  | 0 |  |  |  | 573 | 350 |  | (197) |
Distributions to unitholders and general partner |  | (505) |  |  | (289) | (92) | (2) |  | (122) |
Distributions to noncontrolling interests |  | (2) |  |  |  |  |  |  |  | (2)
Contributions from noncontrolling interests |  | 128 |  |  |  |  |  |  |  | 128
Equity-based compensation |  | 2 |  |  | 2 |  |  |  |  |
Ending Balance at Jun. 30, 2017 |  | $ 9,909 |  |  | $ 8,360 | $ 1,161 | $ 351 | $ 133 | $ (242) | $ 146
[1] | Financial information has been retrospectively adjusted for the acquisition of HST, WHC and MPLXT from MPC. See Notes 1 and 3.

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