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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2018
Related Party [Abstract] |
Disclosure of interests in subsidiaries |
Year ended Dec. 31 | 2018 |  | 2017 |  | 2016 |
Revenues | 462 |  | 459 |  | 259 |
Net earnings | 241 |  | 13 |  | 1 |
Total comprehensive income | 281 |  | (24 | ) | 40 |
Amounts attributable to the non-controlling interests: |  |  |  |  |
Net earnings | 94 |  | 11 |  | 2 |
Total comprehensive income | 110 |  | — |  | 18 |
Distributions paid to non-controlling interests | 79 |  | 85 |  | 83 |
As at Dec. 31 | 2018 |  | 2017 |
Current assets | 250 |  | 145 |
Long-term assets | 3,497 |  | 3,483 |
Current liabilities | (159 | ) | (356 | )
Long-term liabilities | (1,192 | ) | (1,075 | )
Total equity | (2,396 | ) | (2,197 | )
Equity attributable to non-controlling interests | (961 | ) | (812 | )
Non-controlling interests’ share (per cent) | 39.1 |  | 36.0 |
B. TA Cogen
Year ended Dec. 31 | 2018 |  | 2017 |  | 2016 |
Results of operations |  |  |  |  |  |
Revenues | 185 |  | 175 |  | 274 |
Net earnings | 29 |  | 61 |  | 211 |
Total comprehensive income | 29 |  | 61 |  | 258 |
Amounts attributable to the non-controlling interest: |  |  |  |  |  |
Net earnings | 14 |  | 31 |  | 105 |
Total comprehensive income | 14 |  | 31 |  | 128 |
Distributions paid to Canadian Power Holdings Inc. | 86 |  | 87 |  | 68 |
As at Dec. 31 | 2018 |  | 2017 |
Current assets | 82 |  | 193 |
Long-term assets | 354 |  | 404 |
Current liabilities | (54 | ) | (73 | )
Long-term liabilities | (28 | ) | (26 | )
Total equity | (354 | ) | (498 | )
Equity attributable to Canadian Power Holdings Inc. | (176 | ) | (247 | )
Non-controlling interest share (per cent) | 49.99 |  | 49.99 |
Details of the Corporation’s principal operating subsidiaries at Dec. 31, 2018, are as follows:
Subsidiary | Country | Ownership (per cent) | Principal activity
TransAlta Generation Partnership | Canada | 100 | Generation and sale of electricity
TransAlta Cogeneration, L.P. | Canada | 50.01 | Generation and sale of electricity
TransAlta Centralia Generation, LLC | US | 100 | Generation and sale of electricity
TransAlta Energy Marketing Corp. | Canada | 100 | Energy marketing
TransAlta Energy Marketing (U.S.), Inc. | US | 100 | Energy marketing
TransAlta Energy (Australia), Pty Ltd. | Australia | 100 | Generation and sale of electricity
TransAlta Renewables Inc. | Canada | 60.9 | Generation and sale of electricity
Disclosure of information about key management personnel | TransAlta’s key management personnel include the President and CEO and members of the senior management team that report directly to the President and CEO, and the members of the Board. Key management personnel compensation is as follows:
Year ended Dec. 31 | 2018 |  | 2017 |  | 2016 |
Total compensation | 17 |  | 24 |  | 20 |
Comprised of: |  |  |  |  |  |
Short-term employee benefits | 11 |  | 14 |  | 8 |
Post-employment benefits | 2 |  | 2 |  | 2 |
Share-based payments | 4 |  | 8 |  | 10 |

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