JUNIOR SUBORDINATED NOTES (Tables)

12 Months Ended

Dec. 31, 2015

Junior Subordinated Notes [Abstract]

Schedule of Junior Subordinated Notes

		2015			2014
Outstanding loan amount	Maturity Date	Outstanding at December 31	Effective Interest Rate		Outstanding at December 31	Effective Interest Rate
(millions of Canadian $, unless otherwise noted)
TRANSCANADA PIPELINES LIMITED
U.S. (2015 and 2014 – US$1,000)1	2067	1,384	6.4	%	1,160	6.5	%
U.S. (2015 – US$750)1	2075	1,038	5.3	%	—	—
		2,422			1,160