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Partners' Capital and Distributions (Tables)

12 Months Ended

Dec. 31, 2020

Partners Capital and Distribution [Line Items]

Schedule of changes in shares outstanding

The following table presents the activity for our Class A shares, Class B shares and Class C shares:

			Class A Shares						Class B Shares						Class C Shares
Outstanding at December 31, 2017			156,111,139						126,984,572						510,925,432
Exchange Right exercises			3,363,199						(3,363,199)						—
Redemption Right exercises			—						(4,017,035)						4,017,035
Issuance of Series A preferred units by a subsidiary			—						—						1,393,926
Other			11,250						—						601,887
Outstanding at December 31, 2018			159,485,588						119,604,338						516,938,280
Exchange Right exercises (1)			22,637,818						(22,637,818)						—
Redemption Right exercises (1)			—						(31,180,818)						31,180,818
Other			15,186						—						1,419,041
Outstanding at December 31, 2019			182,138,592						65,785,702						549,538,139
Conversion of AAP Management Units			—						595,117						—
Exchange Right exercises			11,858,457						(11,858,457)
Redemption Right exercises									(3,882,170)						3,882,170
Repurchase of common units by a subsidiary			—						—						(6,222,748)
Other			54,387												520,201
Outstanding at December 31, 2020			194,051,436						50,640,192						547,717,762

(1)Includes exercises by Oxy and an affiliate of The Energy & Minerals Group (“EMG”). See Note 17 for additional information.

Class A Shares

Partners Capital and Distribution [Line Items]

Schedule of distributions

The following table details the distributions paid to our Class A shareholders during the periods indicated (in millions, except per share data):

Year						Distributions to Class A Shareholders						Distributions per Class A Share
2020						$	166					$	0.90
2019						$	231					$	1.38
2018						$	189					$	1.20

PAA | Series A Preferred Units

Partners Capital and Distribution [Line Items]

Schedule of distributions

PAA Preferred Unit Distributions. The following table details distributions paid to PAA’s preferred unitholders during the year presented (in millions, except unit data):

						Series A Preferred Unitholders															Series B Preferred Unitholders
						Distribution (1)															Cash Distribution
Year						Cash						Units
2020						$	149					—									$	49
2019						$	149					—									$	49
2018						$	112					1,393,926									$	49

(1)PAA elected to pay distributions on its Series A preferred units in additional Series A preferred units for each quarterly distribution from their issuance through the February 2018 distribution. Distributions on PAA’s Series A preferred units have been paid in cash since the May 2018 distribution. During 2018, PAA issued additional Series A preferred units in lieu of cash distributions of $37 million.

PAA | Series B Preferred Units

Partners Capital and Distribution [Line Items]

Schedule of distributions

PAA Preferred Unit Distributions. The following table details distributions paid to PAA’s preferred unitholders during the year presented (in millions, except unit data):

						Series A Preferred Unitholders															Series B Preferred Unitholders
						Distribution (1)															Cash Distribution
Year						Cash						Units
2020						$	149					—									$	49
2019						$	149					—									$	49
2018						$	112					1,393,926									$	49

(1)PAA elected to pay distributions on its Series A preferred units in additional Series A preferred units for each quarterly distribution from their issuance through the February 2018 distribution. Distributions on PAA’s Series A preferred units have been paid in cash since the May 2018 distribution. During 2018, PAA issued additional Series A preferred units in lieu of cash distributions of $37 million.

PAA | Common Units

Partners Capital and Distribution [Line Items]

Schedule of distributions

The following table details distributions paid by PAA during the year presented (in millions, except per unit data):

						Distributions Paid																					Distributions per common unit
Year						Public						AAP						Total
2020						$	432					$	223					$	655								$	0.90
2019						$	632					$	372					$	1,004								$	1.38
2018						$	532					$	339					$	871								$	1.20

AAP

Partners Capital and Distribution [Line Items]

Schedule of distributions

The following table details the distributions to AAP’s partners paid during the periods indicated from distributions received from PAA (in millions):

						Distributions to AAP’s Partners
Year						Noncontrolling Interests						PAGP						Total Cash Distributions
			2020												$	57								$	166					$	223
2019						$	141					$	231					$	372
2018						$	150					$	189					$	339

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