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SEMPRA - EQUITY AND EARNINGS PER COMMON SHARE - COMMON STOCK ACTIVITY (Details) - shares | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Common shares outstanding, January 1 |  | 628,669,356 | 633,839,564 | 576,940,488
Conversion of mandatory convertible preferred stock |  | 0 | 0 | 36,075,490
Shares issued under forward sale agreements |  | 2,099,152 | 0 | 0
Shares issued in IEnova exchange offer | 24,613,554 | 0 | 0 | 24,613,554
RSUs vesting |  | 941,910 | 914,444 | 1,373,832
Stock options exercised |  | 0 | 81,260 | 101,342
Common stock investment plan |  | 1,730 | 0 | 0
Issuance of RSUs held in our Deferred Compensation Plan |  | 132,178 | 130,026 | 204,476
Shares repurchased |  | (412,594) | (6,295,938) | (5,469,618)
Common shares outstanding, December 31 |  | 631,431,732 | 628,669,356 | 633,839,564

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