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Intangible Assets - Summary of Changes in Intangible Assets (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance $ 462 $ 490 $ 629
Adjustment for inflation [1]     2
Ending balance 424 462 490
Cost [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 1,490 1,463 1,554
Increases 29 32 33
Translation effect (32) (3) (14)
Adjustment for inflation [2] 35 19 13
Decreases, reclassifications and other movements (26) (21) (123)
Ending balance 1,496 1,490 1,463
Accumulated amortization [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 1,028 973 925
Increases 43 51 48
Translation effect (10) (1) (3)
Adjustment for inflation [2] 11 5 3
Ending balance 1,072 1,028 973
Service concessions [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 260 272 295
Ending balance 258 260 272
Service concessions [member] | Cost [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 908 883 869
Increases 25 25 14
Ending balance 933 908 883
Service concessions [member] | Accumulated amortization [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 648 611 574
Increases 27 37 37
Ending balance 675 648 611
Exploration rights [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 136 160 279
Ending balance 110 136 160
Exploration rights [member] | Cost [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 136 160 279
Increases     9
Decreases, reclassifications and other movements (26) (24) (128)
Ending balance 110 136 160
Other intangibles [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 66 58 55
Ending balance 56 66 58
Other intangibles [member] | Cost [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 446 420 406
Increases 4 7 10
Translation effect (32) (3) (14)
Adjustment for inflation [2] 35 19 13
Decreases, reclassifications and other movements   3 5
Ending balance 453 446 420
Other intangibles [member] | Accumulated amortization [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 380 362 351
Increases 16 14 11
Translation effect (10) (1) (3)
Adjustment for inflation [2] 11 5 3
Ending balance $ 397 $ 380 $ 362
[1] Corresponds to adjustment for inflation of opening balances of the provision for impairment of intangible assets in subsidiaries with the Peso as functional currency which was charged to other comprehensive income.
[2] Corresponds to adjustment for inflation of opening balances of intangible assets in subsidiaries with the Peso as functional currency which was charged to other comprehensive income.