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Consolidated Statements of Changes in Equity - USD ($) $ in Millions | Total | Southern California Edison Company | Common Stock | Common Stock Southern California Edison Company | Additional Paid-in Capital Southern California Edison Company | Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss Southern California Edison Company | Retained Earnings | Retained Earnings Southern California Edison Company | Equity Attributable to Common Shareholders | Other | Preferred and Preference Stock | Preferred and Preference Stock Southern California Edison Company
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, at the beginning of the period at Dec. 31, 2015 | $ 13,388 | $ 13,672 | $ 2,484 | $ 2,168 | $ 652 | $ (56) | $ (22) | $ 8,940 | $ 8,804 | $ 11,368 | $ 0 | $ 2,020 | $ 2,070
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 1,434 | 1,499 |  |  |  |  |  | 1,311 | 1,499 | 1,311 |  | 123 |
Other comprehensive income (loss) | 3 | 2 |  |  |  | 3 | 2 |  |  | 3 |  |  |
Dividends declared on common stock | (646) | (701) |  |  |  |  |  | (646) | (701) | (646) |  |  |
Dividends declared on preferred and preference stock |  | (123) |  |  |  |  |  |  | (123) |  |  |  |
Dividends to noncontrolling interests | (123) |  |  |  |  |  |  |  |  |  |  | (123) |
Stock-based compensation | (60) | (44) | (1) |  |  |  |  | (59) | (44) | (60) |  |  |
Noncash stock-based compensation | 22 | 9 | 22 |  | 9 |  |  |  | 0 | 22 |  |  |
Issuance of preference stock | 294 | 294 |  |  | (6) |  |  |  |  |  |  | 294 | 300
Redemption of preference stock | (125) | (125) |  |  | 2 |  |  | (2) | (2) | (2) |  | (123) | (125)
Balance, at the end of the period at Dec. 31, 2016 | 14,187 | 14,483 | 2,505 | 2,168 | 657 | (53) | (20) | 9,544 | 9,433 | 11,996 | 0 | 2,191 | 2,245
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 671 | 1,136 |  |  |  |  |  | 565 | 1,136 | 565 | (18) | 124 |
Other comprehensive income (loss) | 10 | 1 |  |  |  | 10 | 1 |  |  | 10 |  |  |
Contribution from tax equity investor | 20 |  |  |  |  |  |  |  |  |  | 20 |  |
Dividends declared on common stock | (727) | (785) |  |  |  |  |  | (727) | (785) | (727) |  |  |
Dividends declared on preferred and preference stock |  | (124) |  |  |  |  |  |  | (124) |  |  |  |
Dividends to noncontrolling interests | (124) |  |  |  |  |  |  |  |  |  |  | (124) |
Stock-based compensation | (179) | (38) |  |  |  |  |  | (179) | (38) | (179) |  |  |
Noncash stock-based compensation | 21 | 12 | 21 |  | 12 |  |  |  |  | 21 |  |  |
Issuance of preference stock | 462 | 462 |  |  | (13) |  |  |  |  |  |  | 462 | 475
Redemption of preference stock | (475) | (475) |  |  | 15 |  |  | (15) | (15) | (15) |  | (460) | (475)
Balance, at the end of the period at Dec. 31, 2017 | 13,866 | 14,672 | 2,526 | 2,168 | 671 | (43) | (19) | 9,188 | 9,607 | 11,671 | 2 | 2,193 | 2,245
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | (313) | (189) |  |  |  |  |  | (423) | (189) | (423) | (11) | 121 |
Other comprehensive income (loss) | (2) | 1 |  |  |  | (2) | 1 |  |  | (2) |  |  |
Other comprehensive income (loss) | (7) | (4) |  |  |  |  |  |  |  |  |  |  |
Contribution from tax equity investor | 24 |  |  |  |  |  |  |  |  |  | 24 |  |
Dividends declared on common stock | (791) | (576) |  |  |  |  |  | (791) | (576) | (791) |  |  |
Dividends declared on preferred and preference stock |  | (121) |  |  |  |  |  |  | (121) |  |  |  |
Dividends to noncontrolling interests | (121) |  |  |  |  |  |  |  |  |  |  | (121) |
Stock-based compensation | (20) | (11) |  |  |  |  |  | (20) | (11) | (20) |  |  |
Noncash stock-based compensation | 19 | 9 | 19 |  | 9 |  |  |  |  | 19 |  |  |
Deconsolidation of SoCore Energy | (15) |  |  |  |  |  |  |  |  |  | (15) |  |
Balance, at the end of the period at Dec. 31, 2018 | $ 12,652 | $ 13,785 | $ 2,545 | $ 2,168 | $ 680 | $ (50) | $ (23) | $ 7,964 | $ 8,715 | $ 10,459 | $ 0 | $ 2,193 | $ 2,245

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