Investment in Debt Securities and Other Long-term Investments - Summary of Investment in Debt Securities and Other Long-term Investments (Detail) - PHP (₱) ₱ in Millions	Dec. 31, 2017	Dec. 31, 2016
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments	₱ 250	₱ 700
Current portion of investment in debt securities and other long-term investments (Note 12)	100	326
Investment in debt securities and other long-term investments – net of current portion (Note 12)	150	374
Investment in debt securities and other long-term investments	250	700
Security Bank Corporation Time Deposits [Member]
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments	100	348
Investment in debt securities and other long-term investments	100	348
GT Capital Bond [Member]
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments	150	150
Investment in debt securities and other long-term investments	₱ 150	150
PSALM Bond [Member]
Disclosure of detailed information about financial instruments [Line Items]
Investment in debt securities and other long-term investments		202
Investment in debt securities and other long-term investments		₱ 202

The amount of current investments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard
-URIDate 2017-03-09

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

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