Fair Value Measurement (Details) - EBP 006 - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	$ 982,607,328	$ 815,364,575
Mutual Funds
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	765,091,992	634,969,323
Interest Bearing Deposits
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	89,165,972	81,461,279
Popular, Inc. Common Stock
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	128,349,364	98,933,973
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	217,515,336	180,395,252
Level 1 \| Mutual Funds
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	0	0
Level 1 \| Interest Bearing Deposits
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	89,165,972	81,461,279
Level 1 \| Popular, Inc. Common Stock
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	128,349,364	98,933,973
Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	765,091,992	634,969,323
Level 2 \| Mutual Funds
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	765,091,992	634,969,323
Level 2 \| Interest Bearing Deposits
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	0	0
Level 2 \| Popular, Inc. Common Stock
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	0	0
Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	0	0
Level 3 \| Mutual Funds
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	0	0
Level 3 \| Interest Bearing Deposits
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	0	0
Level 3 \| Popular, Inc. Common Stock
EBP, Investment, Fair Value and NAV [Line Items]
Total assets at fair value	$ 0	$ 0

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- Definition

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

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