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Equity-Indexed Compensation Plans (Details) shares in Millions, $ in Millions	Dec. 31, 2024 USD ($) shares
Equity-Indexed Compensation Plans
LTIP awards authorized (in units)	47.3
LTIP awards available (in units)	19.1
Probable vesting, unrecognized fair value | $	$ 65
Plains GP Holdings, L.P. Long-Term Incentive Plan
Equity-Indexed Compensation Plans
LTIP awards authorized (in units)	3.8
LTIP awards outstanding (in units)	0.1
LTIP awards outstanding including DERs (in units)	0.1
Plains All American 2021 Long-Term Incentive Plan
Equity-Indexed Compensation Plans
LTIP awards authorized (in units)	28.8
Plains All American PNG Successor Long-Term Incentive Plan
Equity-Indexed Compensation Plans
LTIP awards authorized (in units)	1.3
Plains All American GP LLC 2006 Long-Term Incentive Tracking Unit Plan
Equity-Indexed Compensation Plans
LTIP awards authorized (in units)	13.4
PAA LTIP | PAA
Equity-Indexed Compensation Plans
LTIP awards outstanding (in units)	10.5
LTIP awards outstanding including DERs (in units)	8.6

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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