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INCOME TAXES - DEFERRED INCOME TAXES (Details) - CAD CAD in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred income tax liabilities |  |
Property, plant and equipment | CAD (3,867) | CAD (3,423)
Investments | (2,938) | (3,024)
Regulatory assets | (439) | (354)
Other | (47) | (85)
Total deferred income tax liabilities | (7,291) | (6,886)
Deferred income tax assets |  |
Financial instruments | 1,215 | 1,374
Pension and OPEB plans | 219 | 202
Loss carryforwards | 1,189 | 848
Other | 374 | 274
Total deferred income tax assets | 2,997 | 2,698
Less valuation allowance | (572) | (538)
Total deferred income tax assets, net | 2,425 | 2,160
Net deferred income tax liabilities | (4,866) | (4,726)
Presented as follows: |  |
Accounts receivable and other |  | 367
Deferred income taxes | 1,170 | 839
Total deferred income tax assets | 1,170 | 1,206
Accounts payable and other |  | (17)
Deferred income taxes | (6,036) | (5,915)
Total deferred income tax liabilities | (6,036) | (5,932)
Net deferred income tax liabilities | (4,866) | (4,726)
Deferred taxes on unremitted earnings and currency translation adjustment | 0 | 0
Foreign subsidiaries' undistributed earnings on which deferred income taxes has not been provided | 4,100 | 4,000
Canada |  |
Presented as follows: |  |
Benefit of unused tax loss carryforwards recognized | 2,486 | 1,754
United States |  |
Presented as follows: |  |
Benefit of unused tax loss carryforwards recognized | CAD 1,287 | CAD 899

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