<SEC-DOCUMENT>0001628280-20-014660-index.html : 20201021
<SEC-HEADER>0001628280-20-014660.hdr.sgml : 20201021
<ACCEPTANCE-DATETIME>20201021165714
ACCESSION NUMBER:		0001628280-20-014660
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20201021
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20201021
DATE AS OF CHANGE:		20201021

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TC PIPELINES LP
		CENTRAL INDEX KEY:			0001075607
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				522135448
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35358
		FILM NUMBER:		201250981

	BUSINESS ADDRESS:	
		STREET 1:		700 LOUISIANA STREET, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002-2700
		BUSINESS PHONE:		(877) 290-2772

	MAIL ADDRESS:	
		STREET 1:		700 LOUISIANA STREET, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002-2700
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>tcp-20201021.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: tcp-20201021.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>q32020tcpnewsrelease.htm
<DESCRIPTION>EX-99
<TEXT>
Document 2 - file: q32020tcpnewsrelease.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>tcp-20201021.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: tcp-20201021.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>4
<FILENAME>tcp-20201021_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: tcp-20201021_cal.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>5
<FILENAME>tcp-20201021_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 5 - file: tcp-20201021_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>tcp-20201021_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 6 - file: tcp-20201021_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>7
<FILENAME>tcp-20201021_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 7 - file: tcp-20201021_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>image01.jpg
<TEXT>
Document 8 - file: image01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>image11.jpg
<TEXT>
Document 9 - file: image11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>image151.jpg
<TEXT>
Document 10 - file: image151.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>tcp-20201021_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: tcp-20201021_htm.html

Document 11 - RAW XML: tcp-20201021_htm.xml

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>13
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: FilingSummary.html

Document 16 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>18
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 18 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>19
<FILENAME>0001628280-20-014660-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 19 - file: 0001628280-20-014660-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>