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CAPITAL STOCK (Details) - USD ($) $ / shares in Units, $ in Millions |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 14, 2023 | Feb. 15, 2022 | Dec. 15, 2021 | Sep. 15, 2021 | Jun. 15, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | May 04, 2021
Capital stock |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  |  |  |  | 1,755,349,661 |  |
Par value per share (in dollars per share) |  |  |  |  |  |  | $ 0 |  |
Dividends reinvested |  |  |  |  |  |  | $ 5 | $ 5 |
Decrease through other distributions to owners, equity |  |  |  |  |  |  |  | 750 |
Authorized cash outflow for repurchase of outstanding shares |  | $ 1,000 | $ 1,000 |  |  |  |  |  |
Increase (decrease) through share repurchase program, shares |  |  |  |  |  |  | 24,250,000 |  |
Share buyback program |  |  |  |  |  |  | $ 388 |  |
Deficit |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  |  |
Dividends recognised as distributions to owners of parent |  |  |  |  |  |  | 1,143 | 634 |
Dividends reinvested |  |  |  |  |  |  | (5) | (5) |
Decrease through other distributions to owners, equity |  |  |  |  |  |  |  | 0 |
Share buyback program |  |  |  |  |  |  | 0 |  |
Other |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  |  |
Dividends reinvested |  |  |  |  |  |  | 0 | 0 |
Approved return of capital distribution |  |  |  |  |  |  |  |  | $ 750
Decrease through other distributions to owners, equity | [1] |  |  |  |  |  |  | $ 0 |
Share buyback program | [1] |  |  |  |  |  | $ 36 |  |
Other | Tranche 1 [Member] |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  |  |
Decrease through other distributions to owners, equity |  |  |  |  |  | $ 250 |  |  |
Other | Tranche 2 [Member] |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  |  |
Decrease through other distributions to owners, equity |  |  |  |  | $ 250 |  |  |  |
Other | Tranche 3 [Member] |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  |  |
Decrease through other distributions to owners, equity |  |  |  | $ 250 |  |  |  |  |
[1] | Includes additional paid-in capital as at December 31, 2022: $1,875 million (December 31, 2021: $1,911 million).

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