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Cash and Cash Equivalents - Summary of Group's Cash and Cash Equivalents by Currency (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure In Tabular Form Of Cash And Cash And Cash Equivalents By Currency [Line Items] |  |  |  |
Cash and cash equivalents | $ 6,201 | $ 3,025 | $ 3,604 | $ 4,058
Foreign exchange risk [member] |  |  |  |
Disclosure In Tabular Form Of Cash And Cash And Cash Equivalents By Currency [Line Items] |  |  |  |
Cash and cash equivalents | 6,201 | 3,025 |  |
Foreign exchange risk [member] | US dollar |  |  |  |
Disclosure In Tabular Form Of Cash And Cash And Cash Equivalents By Currency [Line Items] |  |  |  |
Cash and cash equivalents | 5,886 | 2,917 |  |
Foreign exchange risk [member] | Australian dollar |  |  |  |
Disclosure In Tabular Form Of Cash And Cash And Cash Equivalents By Currency [Line Items] |  |  |  |
Cash and cash equivalents | 182 | 63 |  |
Foreign exchange risk [member] | Other |  |  |  |
Disclosure In Tabular Form Of Cash And Cash And Cash Equivalents By Currency [Line Items] |  |  |  |
Cash and cash equivalents | $ 133 | $ 45 |  |

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_i&doctype=Standard -URIDate 2022-03-24 + Details
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