Net income per common share - Additional Information (Details) - August ASR - USD ($) $ / shares in Units, $ in Millions		1 Months Ended
Dec. 07, 2022	Aug. 24, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Initial shares received as part of an accelerated share repurchase program		2,339,241
Stock repurchase program authorized amount		$ 231
Additional common shares repurchased	840,024
Accelerated share repurchases price paid per share	$ 72.6583

Common Shares Repurchased Accelerated Share Repurchase Agreements

No definition available.

Name:	bpop_CommonSharesRepurchasedAcceleratedShareRepurchaseAgreements
Namespace Prefix:	bpop_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Initial shares received as part of an accelerated share repurchase program.

+ References

No definition available.

+ Details

Name:	bpop_InitialSharesReceivedAcceleratedShareRepurchaseAgreements
Namespace Prefix:	bpop_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 25
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

+ Details

Name:	us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- 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.

+ References

No definition available.

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	bpop_AccelerateShareRepurchaseAxis=bpop_AugustAccelerateShareRepurchaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: