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Partners' Capital and Distributions - Distributions (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		6 Months Ended
	Aug. 14, 2023	May 15, 2023	Feb. 14, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Partners Capital and Distribution
Distributions paid				$ 322	$ 264	$ 646	$ 500
Cash Distribution | Common Units
Partners Capital and Distribution
Distributions paid		$ 187	$ 187
Cash distribution per common unit, paid (usd per unit)		$ 0.2675	$ 0.2675
Forecast | Cash Distribution | Common Units
Partners Capital and Distribution
Distributions paid	$ 187
Cash distribution per common unit, paid (usd per unit)	$ 0.2675
Public | Cash Distribution | Common Units
Partners Capital and Distribution
Distributions paid		$ 122	$ 122
Public | Forecast | Cash Distribution | Common Units
Partners Capital and Distribution
Distributions paid	$ 123
AAP | Cash Distribution | Common Units
Partners Capital and Distribution
Distributions paid		$ 65	$ 65
AAP | Forecast | Cash Distribution | Common Units
Partners Capital and Distribution
Distributions paid	$ 64

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- Definition

Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

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- Definition

Total distributions to each class of partners (i.e., general, limited and preferred partners).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

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-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 5
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-5

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