Cost Analysis - Summary of Depreciation, Amortisation and Impairment Analysis (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of fair value measurement of assets [line items]
Impairment Loss	$ 0	$ 0	$ 827
Investments accounted for using equity method
Disclosure of fair value measurement of assets [line items]
Impairment Loss			$ 154

The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2022-03-24
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-Subparagraph d
-Clause ii
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2022-03-24
-Paragraph 130
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_130_b&doctype=Standard
-URIDate 2022-03-24

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