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v3.19.3.a.u2

Non-Controlling Interests - Financial Position of Non-Controlling Interests (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of subsidiaries [line items] |  |  |
Current assets | $ 1,341 | $ 1,312 |
Current liabilities | (1,117) | (880) |
Total equity | 4,062 | 4,134 | $ 4,385
Non-controlling interests (Note 12) | 1,101 | 1,137 |
TransAlta Renewables |  |  |
Disclosure of subsidiaries [line items] |  |  |
Current assets | 293 | 250 |
Long-term assets | 3,409 | 3,497 |
Current liabilities | (152) | (159) |
Long-term liabilities | (1,237) | (1,192) |
Total equity | (2,313) | (2,396) |
Non-controlling interests (Note 12) | $ (941) | $ (961) |
Ownership and voting rights percentage | 39.60% | 39.10% |
TransAlta Cogeneration L.P. |  |  |
Disclosure of subsidiaries [line items] |  |  |
Current assets | $ 41 | $ 82 |
Long-term assets | 328 | 354 |
Current liabilities | (27) | (54) |
Long-term liabilities | (19) | (28) |
Total equity | (323) | (354) |
Non-controlling interests (Note 12) | $ (160) | $ (176) |
Ownership and voting rights percentage | 49.99% | 49.99% |
TransAlta Cogeneration L.P. | Coal facility |  |  |
Disclosure of subsidiaries [line items] |  |  |
Ownership and voting rights percentage | 5000.00% |  |

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