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Equity - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Feb. 28, 2023 | Aug. 09, 2022
Disclosure of reserves within equity [line items] |  |  |  |  |
Authorised share capital | 0 |  |  |  |
Total return of funds announced to shareholders |  |  |  | $ 750 | $ 500
Reclassified from OCI to profit or loss - included in financial expenses | $ (43) | $ 96 | $ (13) |  |
Number of shares | 1,100,000 | 900,000 | 100,000 |  |
Transaction costs relating to treasury shares | $ 2 |  |  |  |
Increase (decrease) through share repurchase programme, Number of shares | 9,100,000 |  |  |  |
Repurchase of shares | $ 482 |  |  |  |
Cash flow hedge reserves [member] |  |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |  |
Reclassified from OCI to profit or loss - included in financial expenses | $ (43) | $ 96 | $ (13) |  |
Held as treasury shares [Member] |  |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |  |
Increase (decrease) through share repurchase programme, Number of shares | 4,500,000 |  |  |  |
Subsequently cancelled [Member] |  |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |  |
Increase (decrease) through share repurchase programme, Number of shares | 4,600,000 |  |  |  |
EUR bonds [member] | Cash flow hedge reserves [member] |  |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |  |
Reclassified from OCI to profit or loss - included in financial expenses | $ 14 | 15 | 9 |  |
Change in fair value of currency swaps recognised in OCI | $ 57 | $ (81) | $ 22 |  |
Nominee Account |  |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |  |
Number of shares | 200,000 |  |  |  |

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