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Business Combinations, Discontinued Operations, Sale of Other Disposal Groups and Selected Financial Information by Reportable Segment and Line of Business - Summary of Combined Condensed Financial Information of Reclassification of Assets and Liabilities Held for Sale (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Costa Rica and El Salvador [Member]    
Disclosure of Discontinued Operations [line items]    
Current assets $ 29  
Non-current assets 48  
Total assets of the disposal group 77  
Current liabilities 31  
Non-current liabilities 8  
Total liabilities directly related to assets held for sale 39  
Total net assets of disposal group $ 38  
SPAIN    
Disclosure of Discontinued Operations [line items]    
Current assets   $ 4
Non-current assets   103
Total assets of the disposal group   107
Total net assets of disposal group   $ 107