XML 96 R83.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Leases - Additional Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($)
Lessee Lease Description [Line Items] |
Operating lease expiration term | 2041
Future Lease Agreements |
Lessee Lease Description [Line Items] |
Operating lease expected to commence undiscounted lease liabilities in 2025 | $ 14

X
- Definition Lessee operating lease lease not yet commenced undiscounted lease liabilities due next twelve months. + References No definition available. + Details
Name: | bro_LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedLeaseLiabilitiesDueNextTwelveMonths
Namespace Prefix: | bro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum operating lease expiration term. + References No definition available. + Details
Name: | bro_MaximumOperatingLeaseExpirationTerm
Namespace Prefix: | bro_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=bro_FutureLeaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |