Financial Instruments

6 Months Ended

Jun. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Financial Instruments

Financial instruments

A. Fair values of financial instruments

The Company categorizes its financial assets and liabilities measured at fair value into a three-level hierarchy established by GAAP that prioritizes those inputs to valuation techniques used to measure fair value based on the degree to which they are observable.

The three levels of the fair value hierarchy are as follows: Level 1 inputs are quoted prices in active markets for identical assets and liabilities; Level 2 inputs, other than quoted prices included within Level 1, are observable for the asset or liability either directly or indirectly; and Level 3 inputs are not observable in the market.

The carrying values of financial instruments equal or approximate their fair values with the exception of long-term debt as at:

(in millions of Canadian dollars)	June 30, 2020		December 31, 2019
Long-term debt (including current maturities):
Fair value	$	12,115	$	10,149
Carrying value	9,548		8,757

All long-term debt is classified as Level 2. The estimated fair value of current and long-term borrowings has been determined based on market information where available, or by discounting future payments of principal and interest at estimated interest rates expected to be available to the Company at period end.

B. Financial risk management

The effect of the Company's net investment hedge for the three and six months ended June 30, 2020 was an unrealized FX gain of $264 million and an unrealized FX loss of $291 million, respectively (three and six months ended June 30, 2019 - unrealized FX gains of $120 million and $240 million, respectively) recognized in “Other comprehensive income”.