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Net Income Per Class A Share (Tables) | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Schedule of Calculation of Basic and Diluted Net Income per Class A Share | The following table sets forth the computation of basic and diluted net income per Class A share (in millions, except per share data):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Basic and Diluted Net Income per Class A Share |  |  |  |  |
Net income attributable to PAGP | $ | 103 |  |  | $ | 198 |  |  | $ | 168 |
Basic and diluted weighted average Class A shares outstanding | 197 |  |  | 195 |  |  | 194 |
Basic and diluted net income per Class A share | $ | 0.52 |  |  | $ | 1.01 |  |  | $ | 0.86 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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