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STOCKHOLDERS' EQUITY - Treasury Stock (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 23, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Activity in treasury stock |  |  |  |  |  |
Balance at the beginning of the period |  |  |  | $ 3,149.0 |  |
Balance at the end of the period |  | $ 2,946.2 | $ 3,131.8 | $ 2,946.2 | $ 3,131.8 |
Dividends paid as cash dividend (in dollars per share) |  |  |  | $ 2.00 | $ 2.25 |
Parent Company (Grupo Mexico) common shares |  |  |  |  |  |
Activity in treasury stock |  |  |  |  |  |
Treasury stock balance at the end of the period (in shares) |  | 103,436,825 |  | 103,436,825 |  | 111,485,617
Dividends paid as cash dividend (in dollars per share) | $ 0.0104 |  |  |  |  |
Reduction of shares in treasury stock | 8,039,992 |  |  |  |  |
Treasury stock retired amount | $ 199.5 |  |  |  |  |
TREASURY STOCK: | Parent Company (Grupo Mexico) common shares |  |  |  |  |  |
Activity in treasury stock |  |  |  |  |  |
Balance at the beginning of the period |  |  |  | $ 2,766.7 | $ 2,766.9 |
Used for corporate purposes |  |  |  | (199.7) | (0.1) |
Balance at the end of the period |  | $ 2,566.9 | 2,766.8 | 2,566.9 | 2,766.8 |
TREASURY STOCK: | Parent Company (Grupo Mexico) |  |  |  |  |  |
Activity in treasury stock |  |  |  |  |  |
Balance at the beginning of the period |  |  |  | 382.3 | 340.7 |
Other activity, including dividend, interest and foreign currency transaction effect |  | (11.3) | 16.7 | (3.1) | 24.3 |
Balance at the end of the period |  | $ 379.3 | $ 365.0 | 379.3 | $ 365.0 |
TREASURY STOCK: | Maximum | Parent Company (Grupo Mexico) common shares |  |  |  |  |  |
Activity in treasury stock |  |  |  |  |  |
Used for corporate purposes |  |  |  | $ 0.1 |  |

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