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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) - BRAZIL
$ in Millions
Dec. 31, 2017
MXN ($)
Disclosure of Discontinued Operations [line items]  
Current assets $ 148
Property, machinery and equipment, net and other non-current assets 140
Total assets held for sale 288
Current liabilities 66
Non-current liabilities 0
Total liabilities directly related to assets held for sale 66
Net assets held for sale $ 222