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Tax - Summary of Deferred Tax (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | $ 54 | $ 18
Group income statement | 12 | 47
Group statement of comprehensive income | 1 | (11)
Group statement of changes in equity | 1 | 2
Exchange and other adjustments | (20) | (2)
Ending balance | 48 | 54
Deferred gains on loan notes [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | (34) | (34)
Group income statement | 0 | 0
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Ending balance | (34) | (34)
Associates [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | (55) | (57)
Group income statement | (4) | 2
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Ending balance | (59) | (55)
Losses [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | 84 | 61
Group income statement | 5 | 21
Group statement of comprehensive income | (1) | 4
Group statement of changes in equity | 0 | 0
Exchange and other adjustments | (9) | (2)
Ending balance | 79 | 84
Employee benefits [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | 39 | 34
Group income statement | 1 | 4
Group statement of comprehensive income | (6) | 0
Group statement of changes in equity | 1 | 2
Exchange and other adjustments | (3) | (1)
Ending balance | 32 | 39
Deferred compensation [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | 48 | 42
Group income statement | 4 | 6
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Ending balance | 52 | 48
Other short-term temporary differences [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | 9 | 7
Group income statement | (1) | 14
Group statement of comprehensive income | 8 | (15)
Group statement of changes in equity |  | 0
Exchange and other adjustments | 0 | 3
Ending balance | 16 | 9
Expected credit losses on trade receivables [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | 20 | 22
Group income statement | (5) | (1)
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Exchange and other adjustments | (1) | (1)
Ending balance | 14 | 20
Property, plant, equipment and software [member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | (81) | (95)
Group income statement | 32 | 15
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Exchange and other adjustments | (4) | (1)
Ending balance | (53) | (81)
Application Fees [Member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | 40 | 42
Group income statement | 1 | (2)
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Ending balance | 41 | 40
Intangible Assets Excluding Software [Member] |  |
Disclosure of income tax reconciliation [line items] |  |
Beginning balance | (16) | (4)
Group income statement | (21) | (12)
Group statement of comprehensive income | 0 | 0
Group statement of changes in equity | 0 | 0
Exchange and other adjustments | (3) | 0
Ending balance | $ (40) | $ (16)

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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2022-03-24 + Details
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