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Partners' Capital and Distributions - Distributions, Class A (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Feb. 14, 2025 | Jan. 07, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions paid |  |  | $ 1,569 | $ 1,330 | $ 1,083
Class A Shares |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Percentage of available cash distributed (as a percent) |  |  | 100.00% |  |
Number of days after end of quarter within which distributions must be paid to shareholders (in days) |  |  | 55 days |  |
Class A Shares | Cash Distribution |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions to Class A Shareholders |  |  | $ 251 | $ 209 | $ 162
Cash distributions per Class A share (in dollars per share) |  |  | $ 1.2700 | $ 1.0700 | $ 0.8325
Class A Shares | Cash Distribution | Subsequent Event |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions to Class A Shareholders | $ 75 |  |  |  |
Distributions per Class A share declared (in dollars per share) |  | $ 0.38 |  |  |
Common Units | Cash Distribution | PAA |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Cash distributions per Class A share (in dollars per share) |  |  | $ 1.2700 | $ 1.0700 | $ 0.8325
Distributions paid |  |  | $ 891 | $ 748 | $ 584
Common Units | Cash Distribution | PAA | AAP |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions paid |  |  | $ 296 | $ 256 | $ 201
Common Units | Cash Distribution | PAA | Subsequent Event |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions to Class A Shareholders | 267 |  |  |  |
Common Units | Cash Distribution | PAA | Subsequent Event | AAP |  |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |  |
Distributions paid | $ 88 |  |  |  |

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- Definition Per unit of ownership amount of cash distributions declared 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 + Details
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