Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 15
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Debt - Letters of Credit, Borrowings and Repayments (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Aug. 31, 2016	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Debt
Repayments of PAA senior notes		$ 175	$ 549
Letters of credit
Debt
Outstanding letters of credit		47		$ 46
Credit agreements and PAA commercial paper program
Debt
Total borrowings		41,400	37,100
Total repayments		$ 41,600	$ 36,900
5.88% senior notes due August 2016 \| PAA senior notes
Debt
Repayments of PAA senior notes	$ 175
Debt instrument, interest rate	5.88%