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Property, Plant and Equipment - Summary of Provisions for Impairment of Property, Plant and Equipment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about property, plant and equipment [line items]      
Amount at beginning of year $ 17,712 $ 17,510  
Depreciation (2,446) (3,016) $ (2,551)
Amount at end of year 18,736 17,712 17,510
Provision for Impairment of Property Plant and Equipment [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Amount at beginning of year 2,649 600 651
Increases charged to profit or loss 66 2,288 123
Depreciation [1] (325) (236) (173)
Translation differences (2) (7) (5)
Adjustment for inflation [2] 5 4 4
Reclassifications [3] (1,896)    
Amount at end of year $ 497 $ 2,649 $ 600
[1] Included in “Depreciation of property, plant and equipment” line item in the statement of comprehensive income, see Note 27.
[2] Corresponds to adjustment for inflation of opening balances of the provision for impairment of property, plant and equipment of subsidiaries with the peso as functional currency which was charged to “Other comprehensive income” in the statement of comprehensive income.
[3] Includes 1,896 reclassified to the “Assets held for sale” line item in the statement of financial position, see Notes 2.b.13), 3 and 11.