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Net Income/(Loss) Per Class A Share (Tables) | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Calculation of basic and diluted net income/(loss) per Class A share | The following table sets forth the computation of basic and diluted net income/(loss) per Class A share (in millions, except per share data):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Basic and Diluted Net Income/(Loss) per Class A Share |  |  |  |  |  |  |
Net income/(loss) attributable to PAGP | $ | 31 |  |  | $ | (69) |  |  | $ | 53 |  |  | $ | 1 |
Basic and diluted weighted average Class A shares outstanding | 194 |  |  | 194 |  |  | 194 |  |  | 194 |
Basic and diluted net income/(loss) per Class A share | $ | 0.16 |  |  | $ | (0.35) |  |  | $ | 0.27 |  |  | $ | — |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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