75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - Statements of Net Assets Available for Benefits link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - Statements of Changes in Net Assets Available for Benefits link:presentationLink link:calculationLink link:definitionLink 75030 - Disclosure - Description of Plan link:presentationLink link:calculationLink link:definitionLink 75040 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 75050 - Disclosure - Transfers To and From The Plan link:presentationLink link:calculationLink link:definitionLink 75060 - Disclosure - Interest in Master Trust link:presentationLink link:calculationLink link:definitionLink 75070 - Disclosure - Risks and Uncertainties link:presentationLink link:calculationLink link:definitionLink 75080 - Disclosure - Tax Status link:presentationLink link:calculationLink link:definitionLink 75090 - Disclosure - Related-Party and Party-in- Interest Transactions link:presentationLink link:calculationLink link:definitionLink 75100 - Disclosure - Plan Termination link:presentationLink link:calculationLink link:definitionLink 75110 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 75120 - Disclosure - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) link:presentationLink link:calculationLink link:definitionLink 75130 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 75140 - Disclosure - Description of Plan (Tables) link:presentationLink link:calculationLink link:definitionLink 75150 - Disclosure - Interest in Master Trust (Tables) link:presentationLink link:calculationLink link:definitionLink 75160 - Disclosure - Description of Plan - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 75170 - Disclosure - Description of Plan - Schedule of Profit-sharing Contributions (Details) link:presentationLink link:calculationLink link:definitionLink 75180 - Disclosure - Transfers To and From The Plan - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 75190 - Disclosure - Interest in Master Trust - Schedule of Interest in Master Trust (Details) link:presentationLink link:calculationLink link:definitionLink 75200 - Disclosure - Interest in Master Trust - Net Appreciation (Depreciation) in Fair Value of Investments, Interest Income, Dividend Income and Administrative Expenses Related to the Master Trust (Details) link:presentationLink link:calculationLink link:definitionLink 75210 - Disclosure - Interest in Master Trust - Schedule of MasterTrust's Investments within the Fair Value Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 75220 - Disclosure - Tax Status - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 75230 - Disclosure - Related-Party and Party-in-Interest Transactions (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 75240 - Schedule - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink Reduction in company contributions EBP, Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Master Trust [Abstract] EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses Recordkeeping and investment management services fees paid EBP, Net Asset Available for Benefit Beginning of year End of year NET ASSETS AVAILABLE FOR BENEFITS Total net assets of the Master Trust Total net assets of the Master Trust Minimum [Member] Minimum EBP, Net Asset Available for Benefit [Abstract] Net assets available for benefits Employee Benefit Plan Profit Sharing Contributions Description Employee benefit plan profit sharing contributions description. Employee benefit plan profit sharing contributions description EBP, Schedule of Asset Held for Investment [Table] EBP, Tax Status [Line Items] EBP, Payment to Participant [Policy Text Block] Benefits Paid to Participants EBP, Expense [Policy Text Block] Administrative Expenses Employee Benefit Plan Maximum Annual Catch Up Contribution Amount Employee benefit plan maximum annual catch up contribution amount. Catch up contribution Employee Benefit Plan, Participant Contribution, Automatic, Maximum Deferral Rate Employee benefit plan, participant contribution, automatic, maximum deferral rate. Participant contribution, automatic, maximum deferral rate EBP, Description of Plan and Accounting Change [Abstract] EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Forfeited amount used to pay for plan expense Document Period End Date Document Information [Table] EBP, Contribution [Abstract] Four But Less Than Five [Member] Four but less than five. 4 But Less Than 5 Investments [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Employer Contribution, Receivable Company contributions EBP, Employer Contribution, Receivable, Total Employee Benefit Plan Service Period [Axis] Employee benefit plan service period. Total investments EBP, Investment, Fair Value Total investments at fair value Total investments at fair value EBP, Self-Directed Brokerage Account [Member] Self-Directed Brokerage Accounts EBP, Note Receivable from Participant Notes receivable from participants EBP, Tax Status [Text Block] Tax Status Use of Estimates EBP, Use of Estimate [Policy Text Block] EBP, Master Trust [Text Block] Interest in Master Trust Five or More [Member] Five or more. 5 or More Company contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash, Total EBP, Accounting Policy [Table] Investment Valuation EBP, Investment [Policy Text Block] Common Collective Trust [Member] Collective Trust Funds EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants Statistical Measurement [Axis] Employee Termination Period [Axis] Employee termination period. Employee Benefit Plan Number of Years of Service Employee benefit plan number of years of service. Number of years of service EBP, Participant Contribution, Receivable Participant contributions EBP, Participant Contribution, Receivable, Total Income Recognition Employee Benefit Plan Income Recognition [Policy Text Block] Employee benefit plan income recognition. Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Change In Net Asset Available For Benefit, Increase (Decrease), After Transfers EBP, change in net asset available for benefit, increase (decrease), after transfers. NET INCREASE Fair Value, Inputs, Level 3 [Member] Level 3 Three But Less Than Four [Member] Three but less than four. 3 But Less Than 4 EBP, Tax Qualification Status [Extensible Enumeration] EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan Transfers to and (from) the Plan, net (See Note C) Transfers to the Plan Employee Benefit Plan Service Period [Domain] Employee benefit plan service period. EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Participant loans - Interest rates ranging from 4.25% to 9.50% Total additions EBP, Change in Net Asset Available for Benefit, Increase Prior to December Thirty First Two Thousand Seventeen [Member] Prior to December 31, 2017. Prior to December 31, 2017 Fair Value Hierarchy and NAV [Axis] Deductions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Plan's Interest EBP, Description of Plan [Line Items] Other receivables EBP, Other Receivable EBP, Risk and Uncertainty [Abstract] After December Thirty First Two Thousand Seventeen [Member] After December 31, 2017. After December 31, 2017 Document Fiscal Period Focus EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Change in Plan Interest in Master Trust Change in Plan's interest in Fortune Brands Innovations, Inc., Defined Contribution Master Trust Master Trust net investment income EBP, Participant Contribution, Automatic, Deferral Rate Participant contribution, automatic, deferral rate EBP, Employer, Common Stock [Member] Common Stock EBP, Schedule of Asset Held for Investment [Abstract] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease EBP, Related Party and Party-in-Interest Transactions [Abstract] Transfers from Plan Employee Benefit Plan, Change in Net Asset Available for Benefit, Transfer from Plan Employee benefit plan, change in net asset available for benefit, transfer from plan. EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount outstanding loan balance Level 1 Fair Value, Inputs, Level 1 [Member] Investment Type [Axis] Employee Benefit Plan Transfers To and From Plan [Abstract] Employee benefit plan transfers to and from plan. Employee Benefit Plan Transfers To and From Plan [Table] Employee benefit plan transfers to and from plan. Employee Retirement Savings Plan [Member] Employee Retirement Savings Plan. Employee Retirement Savings Plan Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] Statistical Measurement [Domain] Entity Central Index Key EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] EBP, Participant Contribution, Pretax, Maximum Annual Compensation, Amount Participant contribution, pretax, maximum annual compensation, amount EBP, Plan Termination [Text Block] Plan Termination Fair Value, Inputs, Level 2 [Member] Level 2 Total Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] EBP, Nonconsolidated, Master Trust [Member] Master Trust EBP, Statement of Net Asset Available for Benefit [Table] EBP, Accounting Policy [Line Items] EBP 001 [Member] EBP 001. EBP 001 Fair Value Hierarchy and NAV [Domain] Employee Benefit Plan Deferred Contribution Rate Increase Employee benefit plan deferred contribution rate increase. Increase in deferred contribution rate EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Three or More [Member] Three or more. 3 or More Employee Benefit Plan Maximum Annual Higher Catch Up Contribution Limit Employee benefit plan maximum annual higher catch up contribution limit. Higher catch-up limit EBP, Related Party and Party-in-Interest Transactions [Text Block] Related-Party and Party-in-Interest Transactions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Net increase prior to transfers EBP, Asset [Abstract] Assets Employee Benefit Plan Transfers To and From Plan [Line Items] Employee benefit plan transfers to and from plan. Document Type EBP, Description of Plan [Table] EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment Interest income Contributions and Contributions Receivable EBP, Contribution [Policy Text Block] EBP, Nonemployer, Common Stock [Member] Common Stock EBP, Contribution [Table] EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Participant contributions EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Net appreciation in fair value EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment, Total Employee Benefit Plan, Participant Contribution, Pretax, Annual Compensation To Total Compensation, Percentage Employee benefit plan, participant contribution, pretax, annual compensation to total compensation, percentage. Participant contribution, pretax, annual compensation to total compensation, percentage EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Entity Registrant Name EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Dividend income Dividend received by Master Trust Description of Plan EBP, Description of Plan [Text Block] EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Table] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] EBP, Risk and Uncertainty [Line Items] EBP, Investment, Number of Shares Number of common shares held Tax determination letter, date EBP, Tax Determination Letter, Date EBP, Plan Number Plan Number Profit Sharing Contributions Vesting Percentage Profit sharing contributions vesting percentage. Percentage vested EBP, Contribution [Line Items] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Master Trust net investment income EBP, Tax Status [Abstract] EBP, Trustee [Member] Master Trust Mutual Funds Mutual Fund [Member] EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to participants EBP, Receivable Total receivables EBP, Statement of Net Asset Available for Benefit [Line Items] Forfeited non-vested account EBP, Forfeited Nonvested Account Entity Identification Number Entity Tax Identification Number Employee Benefit Plan, Change in Net Asset Available for Benefit, Transfer to Plan Employee benefit plan, change in net asset available for benefit, transfer to plan. Transfers to Plan EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Note receivable from participant, account, minimum borrowing, amount Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Employee Benefit Plan Vesting Percentage Employee benefit plan vesting percentage. Vesting percentage Entity [Domain] EBP, Schedule of Asset Held for Investment [Text Block] Schedule H, Line 4i - Schedule of Assets (Held at End of Year) EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest Transactions [Line Items] Maximum [Member] Maximum Employee Termination Period [Domain] Employee termination period. EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value [Abstract] Plan's interest in Fortune Brands Innovations, Inc. Document Fiscal Year Focus EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Participant contribution, pretax, maximum annual compensation to total compensation, percentage EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Additions Payment of plan expenses Employee Benefit Plan Forfeited Nonvested Amount Used to Pay Plan Expenses Employee benefit plan forfeited nonvested amount used to pay plan expenses. Less Than One [Member] Less than one. Less Than 1 EBP, Contribution [Table Text Block] Schedule of Profit-sharing Contributions Amendment Flag One But Less Than Two [Member] One but less than two. 1 But Less Than 2 EBP, Tax Determination Letter, Obtained [true false] Tax determination letter, obtained EBP, Subsequent Event [Text Block] Subsequent Events EBP, Tax Status [Table] Investments Measured at NAV Fair Value Measured at Net Asset Value Per Share [Member] EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollover contributions Receivables EBP, Receivable [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Master Trust [Table] Legal Entity [Axis] Defined Contribution Master Trust EBP, Investment, Plan Interest in Master Trust, Fair Value Fair value of plan interest in master trust Employee Benefit Plan, Tax Determination Letter, Prior Date Employee benefit plan, tax determination letter, prior date. Tax determination letter, prior date EBP, Master Trust [Table Text Block] Schedule of Interest in Master Trust Cover [Abstract] Transfers To and From The Plan Employee Benefit Plan Transfers To and From Plan [Text Block] Employee benefit plan transfers to and from plan. Two But Less Than Three [Member] Two but less than three. 2 But Less Than 3 EBP, Schedule of Asset Held for Investment [Line Items] EBP, Risk and Uncertainty [Table] EBP, Related Party and Party-in-Interest [Domain] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Subsequent Event [Abstract] Document Information [Line Items] EBP, Master Trust [Line Items]