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Financial risk management and derivative financial instruments - Summary of Undiscounted Contractual Cash Flows of Financial Liabilities (Detail) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Non-derivative financial liabilities: |  |
Lease liabilities | $ 3,366 | $ 3,403
Forward currency contract inflows [Member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (431) | (438)
Forward currency contract outflows [Member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 425 | 425
Currency swaps hedging bonds inflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (2,293) | (2,003)
Currency swaps hedging bonds outflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 2,574 | 2,112
Deferred and contingent purchase consideration [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities |  | 94
Bank Overdrafts [member] |  |
Non-derivative financial liabilities: |  |
Borrowings | 17 | 44
Trade Payables [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 594 | 657
Bonds [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 3,709 | 3,483
Contingent purchase consideration [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 81 |
Financial Guarantee Contracts [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 31 | 50
Due within one year [member] |  |
Non-derivative financial liabilities: |  |
Lease liabilities | 52 | 57
Due within one year [member] | Currency swaps hedging bonds inflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (66) | (604)
Due within one year [member] | Currency swaps hedging bonds outflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 101 | 653
Due within one year [member] | Deferred and contingent purchase consideration [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities |  | 13
Due within one year [member] | Bank Overdrafts [member] |  |
Non-derivative financial liabilities: |  |
Borrowings | 17 | 44
Due within one year [member] | Trade Payables [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 589 | 651
Due within one year [member] | Bonds [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 482 | 644
Due within one year [member] | Financial Guarantee Contracts [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 31 | 50
Between 1 and 2 years [member] |  |
Non-derivative financial liabilities: |  |
Lease liabilities | 50 | 52
Between 1 and 2 years [member] | Currency swaps hedging bonds inflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (66) | (41)
Between 1 and 2 years [member] | Currency swaps hedging bonds outflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 100 | 59
Between 1 and 2 years [member] | Trade Payables [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 1 | 1
Between 1 and 2 years [member] | Bonds [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 531 | 464
Between 1 and 2 years [member] | Contingent purchase consideration [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 39 |
After two but before five years [member] |  |
Non-derivative financial liabilities: |  |
Lease liabilities | 139 | 130
After two but before five years [member] | Forward currency contract inflows [Member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (431) | (438)
After two but before five years [member] | Forward currency contract outflows [Member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 425 | 425
After two but before five years [member] | Currency swaps hedging bonds inflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (1,324) | (664)
After two but before five years [member] | Currency swaps hedging bonds outflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 1,457 | 704
After two but before five years [member] | Deferred and contingent purchase consideration [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities |  | 81
After two but before five years [member] | Trade Payables [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 1 | 3
After two but before five years [member] | Bonds [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 1,859 | 1,681
After two but before five years [member] | Contingent purchase consideration [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 42 |
More than 5 years [member] |  |
Non-derivative financial liabilities: |  |
Lease liabilities | 3,125 | 3,164
More than 5 years [member] | Currency swaps hedging bonds inflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | (837) | (694)
More than 5 years [member] | Currency swaps hedging bonds outflows [member] |  |
Derivative financial instruments: |  |
Currency swaps hedging | 916 | 696
More than 5 years [member] | Trade Payables [Member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | 3 | 2
More than 5 years [member] | Bonds [member] |  |
Non-derivative financial liabilities: |  |
Non-derivative financial liabilities | $ 837 | $ 694

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