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Business Combinations, Discontinued Operations 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) - Costa Rica and El Salvador [Member] - Assets and liabilities classified as held for sale [member]
$ in Millions
Dec. 31, 2021
USD ($)
Disclosure of Discontinued Operations [line items]  
Current assets $ 29
Non-current assets 48
Total assets held for sale 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