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Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity [Abstract] |
Changes in Shares of Common Stock | The changes in our shares of common stock, as categorized in the equity section of the balance sheet, were:
| Shares
| 2023 | 2022 | 2021
Issued |  |  |
Beginning of year | 2,100,885,134 |  | 2,091,562,747 |  | 1,798,844,267 |
Acquisition of Concho | — |  | — |  | 285,928,872 |
Distributed under benefit plans | 2,887,382 |  | 9,322,387 |  | 6,789,608 |
End of year | 2,103,772,516 |  | 2,100,885,134 |  | 2,091,562,747 |
Held in Treasury |  |  |
Beginning of year | 877,029,062 |  | 789,319,875 |  | 730,802,089 |
Repurchase of common stock | 48,641,899 |  | 87,709,187 |  | 58,517,786 |
End of year | 925,670,961 |  | 877,029,062 |  | 789,319,875 |

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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