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v3.8.0.1

Consolidated Statements of Equity - USD ($) $ in Millions | Total | Common Stock | Treasury Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Non-controlling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2016 | $ 20,203 | $ 7 | $ (7,482) | $ 11,060 | $ 10,206 | $ (234) | $ 6,646
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 85 |  |  |  | 30 |  | 55
Dividends declared | (190) |  |  |  | (190) |  |
Distributions to noncontrolling interests | (142) |  |  |  |  |  | (142)
Contributions from noncontrolling interests | 126 |  |  |  |  |  | 126
Other comprehensive loss | (3) |  |  |  |  | (3) |
Shares repurchased | (420) |  | (420) |  |  |  |
Shares returned - stock based compensation |  |  | (3) |  |  |  |
Shares issued - stock based compensation |  |  |  | 27 |  |  |
Net shares issued - stock based compensation | 24 |  |  |  |  |  |
Impact from equity transactions of MPLX LP | 114 |  |  | 72 |  |  | 42
Ending balance at Mar. 31, 2017 | 19,797 | 7 | (7,905) | 11,159 | 10,046 | (237) | 6,727
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption | 64 |  |  |  | 63 |  | 1
Beginning balance at Dec. 31, 2017 | 20,828 | 7 | (9,869) | 11,262 | 12,864 | (231) | 6,795
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 219 |  |  |  | 37 |  | 182
Dividends declared | (219) |  |  |  | (219) |  |
Distributions to noncontrolling interests | (179) |  |  |  |  |  | (179)
Contributions from noncontrolling interests | 1 |  |  |  |  |  | 1
Other comprehensive loss | (2) |  |  |  |  | (2) |
Shares repurchased | (1,327) |  | (1,327) |  |  |  |
Shares returned - stock based compensation |  |  | (4) |  |  |  |
Shares issued - stock based compensation |  |  |  | 27 |  |  |
Net shares issued - stock based compensation | 24 |  |  |  |  |  | 1
Impact from equity transactions of MPLX LP | (546) |  |  | 2,380 |  |  | (2,926)
Ending balance at Mar. 31, 2018 | $ 18,863 | $ 7 | $ (11,200) | $ 13,669 | $ 12,745 | $ (233) | $ 3,875

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