v3.26.1
Pension and Other Employee Benefits - Summary of Changes in Present Value of Defined Benefit Obligations, Fair Value of Plan Assets and Components of Net Periodic Benefit Costs of Defined Benefit Pension Plans (Detail) - PHP (₱)
₱ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Net Defined Benefit Liability Asset [Line Items]      
Service costs ₱ 1,101 ₱ 1,042 ₱ 1,016
Interest costs on benefit obligation 75 24 (73)
Curtailment and others 64 130 272
Unfunded status – net (3,643) (3,391) (3,442)
Accrued benefit costs 3,810 3,548 3,541
Prepaid benefit costs 167 157 99
Net periodic benefit costs 1,240 1,196 1,215
Present value of defined benefit obligation [Member]      
Disclosure Of Net Defined Benefit Liability Asset [Line Items]      
Present value of defined benefit obligations at beginning of the period 17,376 17,964 15,883
Service costs 1,101 1,042 1,016
Interest costs on benefit obligation 1,059 1,043 1,065
Actuarial losses on obligations – experience (35) 437 154
Actuarial gains on obligations - economic assumptions (122) (496) 2,303
Actual benefits paid/settlements (1,686) (2,744) (2,848)
Curtailment and others 93 130 391
Present value of defined benefit obligations at end of the period 17,786 17,376 17,964
Plan assets [Member]      
Disclosure Of Net Defined Benefit Liability Asset [Line Items]      
Actual benefits paid/settlements (1,599) (2,820) (2,510)
Fair value of plan assets at beginning of the period 13,985 14,522 16,291
Actual contributions 1,533 3,201 4,507
Interest income on plan assets 984 1,019 1,138
Return on plan assets (excluding amount included in net interest) (760) (1,937) (4,904)
Fair value of plan assets at end of the period ₱ 14,143 ₱ 13,985 ₱ 14,522