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Partners' Capital and Distributions - PAA Distributions (Details) $ / shares in Units, shares in Millions, $ in Millions |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
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Feb. 18, 2025 USD ($) $ / shares | Feb. 14, 2025 USD ($) | Jan. 31, 2025 USD ($) $ / shares shares | Jan. 07, 2025 $ / shares | Jan. 31, 2023 $ / shares | Jan. 31, 2025 | May 31, 2023 $ / shares | Dec. 31, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares | Jan. 30, 2025 USD ($) | Aug. 15, 2023 | Nov. 15, 2022
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions paid |  |  |  |  |  |  |  | $ 1,569 | $ 1,330 | $ 1,083 |  |  |
PAA |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of days after end of quarter within which distributions must be paid to unitholders (in days) |  |  |  |  |  |  |  | 45 days |  |  |  |  |
Series A Preferred Units | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred units, outstanding repurchased rate |  |  |  |  |  | 0.18 |  |  |  |  |  |  |
Series A Preferred Units | PAA |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution rate reset, basis spread on variable rate (as a percent) |  |  |  |  | 5.85% |  |  |  |  |  |  |  |
Preferred units, distribution rate |  |  |  |  | 9.375% |  |  |  |  |  |  |  |
Preferred units, annualized distributions per unit | $ / shares |  |  |  |  | $ 2.46 |  |  |  |  |  |  |  |
Series A Preferred Units | PAA | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash distribution paid |  |  |  |  |  |  |  | $ 36 |  |  |  |  |
Series A Preferred Units | PAA | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Units repurchased and retired during period, shares (in shares) | shares |  |  | 12.7 |  |  |  |  |  |  |  |  |  |
Preferred units, outstanding repurchased rate |  |  | 0.18 |  |  |  |  |  |  |  |  |  |
Shares acquired, average cost per share (in dollars per unit) | $ / shares |  |  | $ 26.25 |  |  |  |  |  |  |  |  |  |
Total purchase price of PAA common units repurchased |  |  | $ 333 |  |  |  |  |  |  |  |  |  |
Series A Preferred Units | PAA | Subsequent Event | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash distribution paid |  |  |  |  |  |  |  |  |  |  | $ 10 |  |
Series A Preferred Units | PAA | Cash Distribution |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred unit distribution amount (in dollars per unit) | $ / shares |  |  |  |  |  |  | $ 0.585 | $ 2.46 | $ 2.34 | $ 2.10 |  |  |
Preferred unit distribution amount |  |  |  |  |  |  |  | $ 175 | $ 166 | $ 149 |  |  |
Series A Preferred Units | PAA | Cash Distribution | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred unit distribution amount |  | $ 36 | $ 10 |  |  |  |  |  |  |  |  |  |
Series B Preferred Units | PAA |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution rate percentage |  |  |  |  |  |  |  | 6.125% |  |  |  |  |
Distribution rate per unit (in dollars per unit) | $ / shares |  |  |  |  |  |  |  | $ 61.25 |  |  |  |  |
Preferred unit, distribution percentage spread (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 4.11% | 4.11%
Preferred unit, credit percentage spread (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 0.26161% |
Series B Preferred Units | PAA | Other current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash distribution paid |  |  |  |  |  |  |  | $ 9 |  |  |  |  |
Series B Preferred Units | PAA | Cash Distribution |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred unit distribution amount (in dollars per unit) | $ / shares |  |  |  |  |  |  |  | $ 98.14 | $ 93.43 | $ 61.25 |  |  |
Preferred unit distribution amount |  |  |  |  |  |  |  | $ 79 | $ 75 | $ 49 |  |  |
Series B Preferred Units | PAA | Cash Distribution | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred unit distribution amount (in dollars per unit) | $ / shares | $ 22.73 |  |  |  |  |  |  |  |  |  |  |  |
Preferred unit distribution amount | $ 18 |  |  |  |  |  |  |  |  |  |  |  |
Class A Shares | Cash Distribution |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions per common unit (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 1.2700 | $ 1.0700 | $ 0.8325 |  |  |
Distributions to Class A Shareholders |  |  |  |  |  |  |  | $ 251 | $ 209 | $ 162 |  |  |
Class A Shares | Cash Distribution | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions to Class A Shareholders |  | 75 |  |  |  |  |  |  |  |  |  |  |
Distributions per Class A share declared (in dollars per share) | $ / shares |  |  |  | $ 0.38 |  |  |  |  |  |  |  |  |
Common Units | PAA | Cash Distribution |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions paid |  |  |  |  |  |  |  | $ 891 | $ 748 | $ 584 |  |  |
Distributions per common unit (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 1.2700 | $ 1.0700 | $ 0.8325 |  |  |
Common Units | PAA | Cash Distribution | AAP |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions paid |  |  |  |  |  |  |  | $ 296 | $ 256 | $ 201 |  |  |
Common Units | PAA | Cash Distribution | Public |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions paid |  |  |  |  |  |  |  | $ 595 | $ 492 | $ 383 |  |  |
Common Units | PAA | Cash Distribution | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions to Class A Shareholders |  | 267 |  |  |  |  |  |  |  |  |  |  |
Common Units | PAA | Cash Distribution | Subsequent Event | AAP |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' Capital and Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions paid |  | $ 88 |  |  |  |  |  |  |  |  |  |  |

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