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External Debt and Financing Arrangements - Components of Long-Term Debt (Parenthetical) (Detail) - Senior Notes [Member] | 12 Months Ended
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Dec. 31, 2021
Minimum [Member] |
Debt Instrument [Line Items] |
Notes maturity year | 2023
Maximum [Member] |
Debt Instrument [Line Items] |
Notes maturity year | 2029

X
- Definition Debt instrument maturity year + References No definition available. + Details
Name: | fbhs_DebtInstrumentMaturityYear
Namespace Prefix: | fbhs_
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 No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |