Income and Expenses - Summary of Non-service Revenues (Detail) - PHP (₱) ₱ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Analysis Of Income And Expense [Abstract]
Sale of computers, cellular handsets, cellular SIM-packs and broadband data modems	₱ 7,889	₱ 7,239	₱ 7,487
Point-product-sales	872	813	686
Total non-service revenues	₱ 8,761	₱ 8,052	₱ 8,173

The amount of revenue arising from the sale of telecommunication equipment. [Refer: Revenue]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2017-01-01
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