Popular, Inc. (Holding company only) financial information - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
BHD LEON
Dividends distribution	$ 16.0	$ 4.3
Popular, Inc. Holding Co. \| Equity Method Investee
Dividends and others received	1.5	3.0	$ 2.3
Dividends distribution	1.5	2.3	2.3
Popular, Inc. Holding Co. \| BHD LEON
Dividends distribution	18.5	0.0	12.5
Popular, Inc. Holding Co. \| PNA
Dividends distribution	$ 53.5	$ 0.0	$ 0.0

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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