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Other Current and Non-current Liabilities - Summary of Other Non-current Liabilities (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of transactions between related parties [line items] |  |
Non-current portion of tax payable | $ 12 | $ 31
Cemento interoceanio [member] | Liabilitites classified as held for sale [member] |  |
Disclosure of transactions between related parties [line items] |  |
Deferred revenues | $ 42 | $ 50
Period of amortisation of deferred revenue | 15 years |

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