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NEW IFRS STANDARDS - Summary of the impact of adopting IFRS 16 (Details) - CAD ($) $ in Millions | Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Assets |  |  |  |
Accounts receivable | $ 4,052 | $ 3,204 | $ 3,206 |
Property, plant and equipment, net | 72,640 | 72,978 | 74,245 |
Right-of-use assets, net |  | 3,059 |  |
Liabilities and Shareholders' Equity |  |  |  |
Current portion of long-term debt | 310 | 191 | 229 |
Current portion of lease liabilities | 310 | 276 |  |
Current portion of provisions | 631 | 666 | 667 |
Long-term debt | 12,884 | 12,668 | 13,890 |
Long-term lease liabilities | 2,621 | 2,777 |  |
Other long-term liabilities | 2,499 | 2,345 | 2,346 |
Provisions | 8,676 | 6,964 | 6,984 |
Deferred income taxes | 10,176 | 12,050 | 12,045 |
Equity | $ 42,042 | 44,019 | $ 44,005 | $ 45,383
Weighted-average rate applied in discounting lease payments to lease liabilities |  |  | 3.85% |
IFRS 16 | Adjustment due to adoption of IFRS standard |  |  |  |
Assets |  |  |  |
Accounts receivable |  | (2) |  |
Property, plant and equipment, net |  | (1,267) |  |
Right-of-use assets, net |  | 3,059 |  |
Liabilities and Shareholders' Equity |  |  |  |
Current portion of long-term debt |  | (38) |  |
Current portion of lease liabilities |  | 276 |  |
Current portion of provisions |  | (1) |  |
Long-term debt |  | (1,222) |  |
Long-term lease liabilities |  | 2,777 |  |
Other long-term liabilities |  | (1) |  |
Provisions |  | (20) |  |
Deferred income taxes |  | 5 |  |
Equity |  | $ 14 |  |

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