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v3.20.2

Partners' Capital and Distributions - Common Equity Repurchase Program (Details) $ in Millions | Nov. 02, 2020 USD ($)
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Subsequent Event | Common Equity Repurchase Program |
Partners Capital and Distribution [Line Items] |
Stock repurchase program, authorized amount | $ 500

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- References No definition available. + Details
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Namespace Prefix: | paa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |