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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (CAD) In Millions, except Per Share data, unless otherwise specified | Total | Total Enbridge Inc. shareholders' equity | Preference shares (Note 8) | Common shares | Additional paid-in capital | Retained earnings | Accumulated other comprehensive loss (Note 9) | Reciprocal shareholding | Noncontrolling interests | Comprehensive income/(loss)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 |  |  | 1,056 | 3,969 | 242 | 3,642 | (1,496) | (187) | 3,141 |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |
Shares issued |  |  | 1,428 | 388 |  |  |  |  |  |
Dividend reinvestment and share purchase plan |  |  |  | 138 |  |  |  |  |  |
Stock-based compensation |  |  |  |  | 17 |  |  |  |  |
Options exercised |  |  |  | 35 | (6) |  |  |  |  |
Issuance of treasury stock |  |  |  |  | 236 |  |  | 61 |  |
Dilution gains and other |  |  |  |  | (20) |  |  |  |  |
Earnings attributable to Enbridge Inc. | 307 |  |  |  |  | 307 |  |  |  |
Preference share dividends |  |  |  |  |  | (38) |  |  |  |
Common share dividends declared |  |  |  |  |  | (438) |  |  |  |
Dividends paid to reciprocal shareholder |  |  |  |  |  | 5 |  |  |  |
Redemption value adjustment attributable to redeemable noncontrolling interests |  |  |  |  |  | (78) |  |  |  |
Other comprehensive income/(loss) attributable to Enbridge Inc. common shareholders |  |  |  |  |  |  | (91) |  |  |
Earnings/(loss) attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 124 | 124
Change in unrealized gains/(loss) on cash flow hedges |  |  |  |  |  |  |  |  | (12) | (12)
Change in foreign currency translation adjustment |  |  |  |  |  |  |  |  | 4 | 4
Reclassification to earnings of realized cash flow hedges |  |  |  |  |  |  |  |  | 17 | 17
Reclassification to earnings of unrealized cash flow hedges |  |  |  |  |  |  |  |  | (4) | (4)
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax |  |  |  |  |  |  |  |  | 5 | 5
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 129 | 129
Contributions |  |  |  |  |  |  |  |  | 3 |
Distributions |  |  |  |  |  |  |  |  | (205) |
Acquisitions |  |  |  |  |  |  |  |  | (25) |
Other |  |  |  |  |  |  |  |  | (4) |
Dividends paid per common share (in canadian dollars per share) | 0.565 |  |  |  |  |  |  |  |  |
Balance at Jun. 30, 2012 | 12,209 | 9,170 | 2,484 | 4,530 | 469 | 3,400 | (1,587) | (126) | 3,039 |
Balance at Dec. 31, 2012 | 13,504 | 0 | 3,707 | 4,732 | 522 | 3,173 | (1,762) | (126) | 3,258 |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |
Shares issued |  |  | 992 | 586 |  |  |  |  |  |
Dividend reinvestment and share purchase plan |  |  |  | 176 |  |  |  |  |  |
Stock-based compensation |  |  |  |  | 19 |  |  |  |  |
Options exercised |  |  |  | 51 | (13) |  |  |  |  |
Issuance of treasury stock |  |  |  |  | 208 |  |  | 40 |  |
Dilution gains and other |  |  |  |  | 4 |  |  |  |  |
Earnings attributable to Enbridge Inc. | 374 |  |  |  |  | 374 |  |  |  |
Preference share dividends |  |  |  |  |  | (82) |  |  |  |
Common share dividends declared |  |  |  |  |  | (513) |  |  |  |
Dividends paid to reciprocal shareholder |  |  |  |  |  | 9 |  |  |  |
Redemption value adjustment attributable to redeemable noncontrolling interests |  |  |  |  |  | (37) |  |  |  |
Other comprehensive income/(loss) attributable to Enbridge Inc. common shareholders |  |  |  |  |  |  | 794 |  |  |
Earnings/(loss) attributable to noncontrolling interests |  |  |  |  |  |  |  |  | (51) | (51)
Change in unrealized gains/(loss) on cash flow hedges |  |  |  |  |  |  |  |  | 132 | 132
Change in foreign currency translation adjustment |  |  |  |  |  |  |  |  | 172 | 172
Reclassification to earnings of realized cash flow hedges |  |  |  |  |  |  |  |  | 13 | 13
Reclassification to earnings of unrealized cash flow hedges |  |  |  |  |  |  |  |  | (2) | (2)
Other comprehensive income/(loss) attributable to noncontrolling interests, net of tax |  |  |  |  |  |  |  |  | 315 | 315
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 264 | 264
Contributions |  |  |  |  |  |  |  |  | 280 |
Distributions |  |  |  |  |  |  |  |  | (228) |
Other |  |  |  |  |  |  |  |  | 9 |
Dividends paid per common share (in canadian dollars per share) | 0.630 |  |  |  |  |  |  |  |  |
Balance at Jun. 30, 2013 | 16,437 | 12,854 | 4,699 | 5,545 | 740 | 2,924 | (968) | (86) | 3,583 |

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