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Equity (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure Equity Abstract |  |
Research and development reserves, Beginning balance | $ 3,281 | $ 3,084
Statutory reserves, Beginning balance | 3,281 | 3,084
Research and development reserves, Transfers to reserves | 116 | 197
Statutory reserves, Transfers to reserves | 8,544 | 197
Capital remuneration reserve, Transfers to reserves | 8,428 |
Research and development reserves, Ending balance | 3,397 | 3,281
Capital remuneration reserve, Ending balance | 8,428 |
Statutory reserves, Ending balance | $ 11,825 | $ 3,281

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