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v3.19.3.a.u2

Consolidated Statements of Earnings (Loss) Statement - CAD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Profit or loss [abstract] |  |  |
Revenues (Note 5) | $ 2,347 | $ 2,249 | $ 2,307
Fuel and purchased power (Note 6) | 1,086 | 1,100 | 1,016
Gross margin | 1,261 | 1,149 | 1,291
Operations, maintenance and administration (Note 6) | 475 | 515 | 517
Depreciation and amortization | 590 | 574 | 635
Asset impairment charges (reversals) (Note 7) | 25 | 73 | 20
Gain on termination of Keephills 3 coal rights contract | (88) | 0 | 0
Taxes, other than income taxes | 29 | 31 | 30
Termination of Sundance B and C PPAs | (56) | (157) | 0
Net other operating expense (income) (Note 9) | (49) | (47) | (49)
Operating income | 335 | 160 | 138
Finance lease income | 6 | 8 | 54
Net interest expense (Note 10) | (179) | (250) | (247)
Foreign exchange loss | (15) | (15) | (1)
Gain on sale of assets and other (Note 4(D) and 17) | 46 | 1 | 2
Earnings (loss) before income taxes | 193 | (96) | (54)
Income tax expense (recovery) | 17 | (6) | 64
Net earnings (loss) | 176 | (90) | (118)
Net earnings (loss) attributable to: |  |  |
TransAlta shareholders | 82 | (198) | (160)
Non-controlling interests (Note 12) | 94 | 108 | 42
Preferred share dividends (Note 25) | 30 | 50 | 30
Net earnings (loss) attributable to common shareholders | $ 52 | $ (248) | $ (190)
Weighted average number of common shares outstanding in the year (millions) | 283 | 287 | 288
Net earnings (loss) per share attributable to common shareholders, basic and diluted (Note 24) | $ 0.18 | $ (0.86) | $ (0.66)

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- Definition The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 23 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_23_e&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 28 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_28_e&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B13 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B13_d&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_102&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_99&doctype=Standard -URIDate 2018-03-16 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 104 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_104&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of tax expense exclusive of income tax expense. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2018-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2018-03-01&anchor=para_70_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Gains on termination of investments + References No definition available. + Details
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