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.

No definition available.

+ Details

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

- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	bpop_PopularRelatedSecuritiesAxis=bpop_PopularRelatedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Employee benefits - Plans target allocation by asset category (Details)	Dec. 31, 2022	Dec. 31, 2021
Popular Related Securities
Defined Benefit Plan Disclosure [Line Items]
Define benefit plan actual asset allocations	2.00%	2.00%
Popular Related Securities \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	5.00%
Popular Related Securities \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	0.00%
Equity
Defined Benefit Plan Disclosure [Line Items]
Define benefit plan actual asset allocations	27.00%	30.00%
Equity \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	70.00%
Equity \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	0.00%
Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Define benefit plan actual asset allocations	69.00%	67.00%
Debt Securities \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	100.00%
Debt Securities \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	0.00%
Cash and Cash Equivalents
Defined Benefit Plan Disclosure [Line Items]
Define benefit plan actual asset allocations	2.00%	1.00%
Cash and Cash Equivalents \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	100.00%
Cash and Cash Equivalents \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets target allocation	0.00%