The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets]

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Balances and Transactions in Foreign Currencies - Summary of Balances and Transactions in Foreign Currencies (Detail) € in Millions, $ in Millions, $ in Millions	Dec. 31, 2024 USD ($)	Dec. 31, 2024 MXN ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 MXN ($)	Dec. 31, 2023 EUR (€)
Disclosure of Balances and Transactions in Foreign Currencies [line items]
Current assets		$ 75,132			$ 67,738
Noncurrent assets		232,854			205,782
Current liabilities		67,171			54,916
Noncurrent liabilities		$ 90,274			$ 84,899
U.S. Dollar
Disclosure of Balances and Transactions in Foreign Currencies [line items]
Current assets	$ 10,472			$ 15,850
Noncurrent assets	80			97
Current liabilities	6,480			4,053
Noncurrent liabilities	$ 45,431			$ 37,892
Euros
Disclosure of Balances and Transactions in Foreign Currencies [line items]
Current assets \| €
Noncurrent assets \| €
Current liabilities \| €			312			180
Noncurrent liabilities \| €