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Financial risk management and derivative financial instruments - Additional Information (Detail) € in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2022 EUR (€) | Dec. 31, 2021 EUR (€)
Disclosure of financial risk management [line items] |  |  |  |  |
Change in value of hedged item used as basis for recognising hedge ineffectiveness | $ 6 | $ 0 |  |  |
Funds held in foreign countries where repatriation is restricted | 47 | 86 |  |  |
Interest expense on borrowings | $ 92 | $ 109 | $ 102 |  |
Cash flow leverage ratio | 2.07 | 2.98 |  | 2.07 | 2.98
Ratio between the hedged item and the hedging instrument | 1 |  |  | 1 |
Currency swaps [member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Other fair value elements of currency swaps | $ 0 | $ 5 |  |  |
Currency swaps [member] | Carrying Amounts [Member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Gain (loss) on carrying amount | (4) | $ (67) |  |  |
Senior Unsecured Long-term Credit [Member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Interest expense on borrowings | $ 29 |  |  |  |
EUR500m 2.125% bonds 2027 [member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Swaps held by Group | € |  |  |  | € 500 | € 500
Currency swaps transaction percentage | 2.125% | 2.125% |  | 2.125% | 2.125%
EUR500m 1.625% bonds 2024 [member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Swaps held by Group | € |  |  |  | € 500 | € 500
Currency swaps transaction percentage | 1.625% | 1.625% |  | 1.625% | 1.625%
Revolving Credit Facility [Member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Currency swaps transaction percentage | 0.60% |  |  | 0.60% |
Interest rate risk [member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Interest rate on deposits | 1.00% |  |  | 1.00% |
Interest rate risk [member] | Fixed interest rate [member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Description of fixed Interest rate borrowings | The Group’s policy requires a minimum of 50% fixed rate debt over the next 12 months. |  |  |  |
Fixed Interest rate borrowings | 100.00% | 100.00% |  | 100.00% | 100.00%
Liquidity risk [member] |  |  |  |  |
Disclosure of financial risk management [line items] |  |  |  |  |
Funds held in foreign countries where repatriation is restricted | $ 24 | $ 77 |  |  |
Number of financial covenants | two |  |  |  |

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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