Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value and Carrying Value of Long-term Debt

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)	March 31, 2020		December 31, 2019
Long-term debt (including current maturities):
Fair value	$	11,607	$	10,149
Carrying value	10,070		8,757