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Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about intangible assets [line items] |  |  |
Carrying amount of intangible assets | $ 41,286 | $ 40,209 |
Intangible Assets Research And Development Expenses Expensed [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Intangible assets expensed research and development | 256 | 268 | $ 298
Intangible Assets With Indefinite Useful Life [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Carrying amount of intangible assets | 38,239 | 37,652 |
Intangible Assets With Finite Useful Life [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Carrying amount of intangible assets | $ 3,047 | $ 2,557 |

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- Definition The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of expenditure directly attributable to research or development activities, recognised in profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 126 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_126&doctype=Standard -URIDate 2023-03-23 + Details
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