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Consolidated Statements of Changes in Equity - CAD
CAD in Millions
Total
Common shares
Preferred shares
Contributed surplus
Deficit
Other reserves [member]
Accumulated other comprehensive income
Attributable to shareholders
Attributable to non-controlling interests
Common shares
Common shares
Deficit
Common shares
Attributable to shareholders
Preferred shares
Preferred shares
Deficit
Preferred shares
Attributable to shareholders
Balance, beginning of year at Dec. 31, 2015 CAD 4,390 CAD 3,075 CAD 942 CAD 9 CAD (1,018)   CAD 353 [1] CAD 3,361 CAD 1,029            
Net earnings (loss) 276       169     169 107            
Other comprehensive income (loss)                              
Net losses on translating net assets of foreign operations, net of hedges and of tax (53)           (53) [1] (53)              
Gains (Losses) On Cash Flow Hedges Relating To Equity, Net Of Tax 130           106 [1] 106 24            
Net actuarial gains on defined benefits plans, net of tax 8           8 [1] 8              
Intercompany available-for-sale investments 0         CAD (15) (15) [1] (15) 15            
Total comprehensive income 361       169   46 [1] 215 146            
Preferred share dividends (Note 24) (52)                 CAD (58) CAD (58) CAD (58) CAD (52) CAD (52) CAD (52)
Changes in non-controlling interests in TransAlta Renewables (Note 4) 164       26   0 [1] 26 138            
Distributions paid, and payable, to non-controlling interests (161)               (161)            
Common shares issued 19 19           19              
Balance, end of year at Dec. 31, 2016 4,663 3,094 942 9 (933)   399 [1] 3,511 1,152            
Net earnings (loss) (118)       (160)     (160) 42            
Other comprehensive income (loss)                              
Net losses on translating net assets of foreign operations, net of hedges and of tax (25)           (25) [1] (25)              
Gains (Losses) On Cash Flow Hedges Relating To Equity, Net Of Tax 106           106 [1] 106 0            
Net actuarial gains on defined benefits plans, net of tax (6)           (6) (6)              
Intercompany available-for-sale investments 0         11   11 (11)            
Total comprehensive income (43)       (160)   86 [1] (74) 31            
Preferred share dividends (Note 24) (30)                 CAD (34) CAD (34) CAD (34) CAD (30) CAD (30) CAD (30)
Changes in non-controlling interests in TransAlta Renewables (Note 4) 0       (52) CAD 4   (48) 48            
Adjustments for share-based payments 1     1       1              
Distributions paid, and payable, to non-controlling interests (172)               (172)            
Balance, end of year at Dec. 31, 2017 CAD 4,385 CAD 3,094 CAD 942 CAD 10 CAD (1,209)   CAD 489 [1] CAD 3,326 CAD 1,059            
[1] (1) Refer to Note 25 for details on components of, and changes in, accumulated other comprehensive income (loss).