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v3.10.0.1

Statement of Changes in Consolidated Equity - USD ($) $ in Millions | Total | Preferred Class A | Preferred Class B | Preferred stock | Mandatory convertible preferred stock | Common stock | Additional capital | Retained earnings (deficit) | Retained earnings (deficit) Preferred Class A | Retained earnings (deficit) Preferred Class B | Treasury stock | Accumulated Other Comprehensive Loss | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2015 | $ 14,131 |  |  | $ 55 | $ 3 | $ 1,391 | $ 10,019 | $ 8,834 |  |  | $ (2,825) | $ (5,431) | $ 2,085
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | (878) |  |  |  |  |  |  | (941) |  |  |  |  | 63
Other comprehensive (loss) income (K) | (507) |  |  |  |  |  |  |  |  |  |  | (691) | 184
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared, preferred |  | $ (2) | $ (67) |  |  |  |  |  | $ (2) | $ (67) |  |  |
Cash dividends declared, common | (159) |  |  |  |  |  |  | (159) |  |  |  |  |
Stock-based compensation (I) | 86 |  |  |  |  |  | 86 |  |  |  |  |  |
Common stock issued: compensation plans (I) | (19) |  |  |  |  |  | (205) |  |  |  | 186 |  |
Retirement of Treasury stock (I) | 0 |  |  |  |  | (76) | (2,563) |  |  |  | 2,639 |  |
Reverse stock split (I) | 0 |  |  |  |  | (877) | 877 |  |  |  |  |  |
Distribution of Alcoa Corporation | (7,271) |  |  |  |  |  |  | (8,692) |  |  |  | 3,554 | (2,133)
Distributions | (226) |  |  |  |  |  |  |  |  |  |  |  | (226)
Contributions | 51 |  |  |  |  |  |  |  |  |  |  |  | 51
Other | 2 |  |  |  |  |  |  |  |  |  |  |  |
Balance at end of period at Dec. 31, 2016 | 5,141 |  |  | 55 | 3 | 438 | 8,214 | (1,027) |  |  | 0 | (2,568) | 26
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | (74) |  |  |  |  |  |  | (74) |  |  |  |  | 0
Other comprehensive (loss) income (K) | (74) |  |  |  |  |  |  |  |  |  |  | (76) | 2
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared, preferred |  | (2) | $ (51) |  |  |  |  |  | (2) | $ (51) |  |  |
Cash dividends declared, common | (109) |  |  |  |  |  |  | (109) |  |  |  |  |
Stock-based compensation (I) | 67 |  |  |  |  |  | 67 |  |  |  |  |  |
Common stock issued: compensation plans (I) | 21 |  |  |  |  |  | 21 |  |  |  | 0 |  |
Conversion of mandatory convertible preferred stock (I) | 0 |  |  |  | (3) | 39 | (36) |  |  |  |  |  |
Issuance of common stock (I) | 4 |  |  |  |  | 4 |  |  |  |  |  |  |
Distributions | (14) |  |  |  |  |  |  |  |  |  |  |  | (14)
Other | 15 |  |  |  |  |  |  | 15 |  |  |  |  |
Balance at end of period at Dec. 31, 2017 | 4,924 |  |  | 55 | 0 | 481 | 8,266 | (1,248) |  |  | 0 | (2,644) | 14
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 642 |  |  |  |  |  |  | 642 |  |  |  |  | 0
Other comprehensive (loss) income (K) | 85 |  |  |  |  |  |  |  |  |  |  | 85 | 0
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared, preferred |  | $ (2) |  |  |  |  |  |  | $ (2) |  |  |  |
Cash dividends declared, common | (117) |  |  |  |  |  |  | (117) |  |  |  |  |
Stock-based compensation (I) | 50 |  |  |  |  |  | 50 |  |  |  |  |  |
Common stock issued: compensation plans (I) | 5 |  |  |  |  | 2 | 3 |  |  |  |  |  |
Other | (2) |  |  |  |  |  |  | 0 |  |  |  |  | (2)
Balance at end of period at Dec. 31, 2018 | $ 5,585 |  |  | $ 55 | $ 0 | $ 483 | $ 8,319 | $ (358) |  |  | $ 0 | $ (2,926) | $ 12

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