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Consolidated Statements of Equity - USD ($) | Total | Public Limited Partners Common Units | Public Limited Partners Class B Units | MPC Limited Partners Common Units | MPC General Partner | AOCI Attributable to Parent | Noncontrolling Interest | Equity of Predecessor MPC
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2015 | $ 9,946,000,000 | $ 7,691,000,000 | $ 266,000,000 | $ 465,000,000 | $ 819,000,000 | $ 0 | $ 13,000,000 | $ 692,000,000
Distributions to MPC from Predecessor | (104,000,000) | 0 | 0 | 0 | 0 | 0 | 0 | 104,000,000
Contribution from MPC | 225,000,000 | 0 | 0 | 84,000,000 | 141,000,000 | 0 | 0 | 0
Unit issuances under ATM Program | 792,000,000 | 776,000,000 | 0 | 0 | 16,000,000 | 0 | 0 | 0
Stockholders' Equity, Other | 6,000,000 | 6,000,000 | 0 | 0 | 0 | 0 | 0 | 0
Net income (loss) | (393,000,000) | (5,000,000) | 0 | 6,000,000 | 191,000,000 | 0 | (2,000,000) | (199,000,000)
Allocation of MPC's net investment at acquisition | 0 | 0 | 0 | (669,000,000) | 337,000,000 | 0 | 0 | 332,000,000
MPC of MarkWest Hydrocarbon | (188,000,000) | 0 | 0 | 0 | (188,000,000) | 0 | 0 | 0
Unitholders and GP | (845,000,000) | (513,000,000) | 0 | (142,000,000) | (190,000,000) | 0 | 0 | 0
Noncontrolling interests | (3,000,000) | 0 | 0 | 0 | 0 | 0 | (3,000,000) | 0
Noncash Partner Capital Account Distributions | 563,000,000 | 0 | 0 | 0 | 563,000,000 | 0 | 0 | 0
Contributions from noncontrolling interests | 6,000,000 | 0 | 0 | 0 | 0 | 0 | 6,000,000 | 0
Unit conversion | 0 | (133,000,000) | 133,000,000 | 0 | 0 | 0 | 0 | 0
Non-cash contribution from MPC | 336,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | (336,000,000)
Deferred income tax impact from changes in equity | 17,000,000 | 2,000,000 | 0 | 13,000,000 | 2,000,000 | 0 | 0 | 0
Ending balance at Dec. 31, 2016 | 11,110,000,000 | 8,086,000,000 | 133,000,000 | 1,069,000,000 | 1,013,000,000 | 0 | 18,000,000 | 791,000,000
Distributions to MPC from Predecessor | (113,000,000) | 0 | 0 | 0 | 0 | 0 | 0 | 113,000,000
Distribution declared, general partner | (32,000,000) | 0 | 0 | 0 | (32,000,000) | 0 | 0 | 0
Contribution from MPC | 675,000,000 | 0 | 0 | 0 | 0 | (14,000,000) | 0 | 689,000,000
Unit issuances under ATM Program | 483,000,000 | 473,000,000 | 0 | 0 | 10,000,000 | 0 | 0 | 0
Stockholders' Equity, Other | 8,000,000 | 8,000,000 | 0 | 0 | 0 | 0 | 0 | 0
Net income (loss) | (771,000,000) | 301,000,000 | 0 | 110,000,000 | 318,000,000 | 0 | (6,000,000) | (36,000,000)
Allocation of MPC's net investment at acquisition | 0 | 0 | 0 | (1,669,000,000) | 266,000,000 | 0 | 0 | 1,403,000,000
Distribution to MPC for acquisitions | (1,931,000,000) | 0 | 0 | (537,000,000) | (1,394,000,000) | 0 | 0 | 0
Unitholders and GP | (1,120,000,000) | (622,000,000) | 0 | (212,000,000) | (286,000,000) | 0 | 0 | 0
Noncontrolling interests | (7,000,000) | 0 | 0 | 0 | 0 | 0 | (7,000,000) | 0
Contributions from noncontrolling interests | 129,000,000 | 0 | 0 | 0 | 0 | 0 | 129,000,000 | 0
Unit conversion | 0 | (133,000,000) | 133,000,000 | 0 | 0 | 0 | 0 | 0
Ending balance at Dec. 31, 2017 | 9,973,000,000 | 8,379,000,000 | 0 | 2,099,000,000 | (637,000,000) | (14,000,000) | 146,000,000 | 0
Distributions to MPC from Predecessor | 0 |  |  |  |  |  |  |
Contribution from MPC | 1,046,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | 1,046,000,000
Stockholders' Equity, Other | 11,000,000 | 12,000,000 | 0 | 0 | 1,000,000 | (2,000,000) | 0 | 0
Net income (loss) | (1,759,000,000) | 667,000,000 | 0 | 1,076,000,000 | 0 | 0 | (16,000,000) | 0
Allocation of MPC's net investment at acquisition | 0 | 0 | 0 | (5,172,000,000) | 4,126,000,000 | 0 | 0 | 1,046,000,000
Distribution to MPC for acquisitions | (4,100,000,000) | 0 | 0 | (936,000,000) | (3,164,000,000) | 0 | 0 | 0
Unitholders and GP | (1,819,000,000) | (722,000,000) | 0 | (1,097,000,000) | 0 | 0 | 0 | 0
Noncontrolling interests | (17,000,000) | 0 | 0 | 0 | 0 | 0 | (17,000,000) | 0
Contributions from noncontrolling interests | 11,000,000 | 0 | 0 | 0 | 0 | 0 | 11,000,000 | 0
Unit conversion | 0 | 0 | 0 | (7,926,000,000) | 7,926,000,000 | 0 | 0 | 0
Ending balance at Dec. 31, 2018 | $ 6,864,000,000 | $ 8,336,000,000 | $ 0 | $ (1,612,000,000) | $ 0 | $ (16,000,000) | $ 156,000,000 | $ 0

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