REGULATORY (Details)	Jan. 06, 2017 item
North Baja Pipeline, LLC \| FERC
Goodwill and Regulatory Matters
Number of compression units	2

Represents the number of compression units FERC has authorized to permanently abandon.

No definition available.

Name:	tcp_NumberOfCompressionUnitsAuthorizedToAbandon
Namespace Prefix:	tcp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration