v3.26.1
Fair Value Measurements (Details) - EBP 004 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Fair Value    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments $ 1,050,565,943 $ 935,968,024
Fair Value | Cash and Cash Equivalents    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 2,388,785 2,228,550
Fair Value | Hasbro, Inc. Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 15,889,550 11,572,587
Fair Value | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 55,147,288 56,228,824
Fair Value | Commingled Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 977,140,320 865,938,063
Quoted Prices in Active Markets for Identical Assets (Level 1)    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 1,050,565,943 935,968,024
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 2,388,785 2,228,550
Quoted Prices in Active Markets for Identical Assets (Level 1) | Hasbro, Inc. Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 15,889,550 11,572,587
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 55,147,288 56,228,824
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commingled Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 977,140,320 865,938,063
Significant Other Observable Inputs (Level 2)    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Other Observable Inputs (Level 2) | Hasbro, Inc. Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Other Observable Inputs (Level 2) | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Other Observable Inputs (Level 2) | Commingled Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Unobservable Inputs (Level 3)    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Unobservable Inputs (Level 3) | Hasbro, Inc. Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Unobservable Inputs (Level 3) | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments 0 0
Significant Unobservable Inputs (Level 3) | Commingled Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total Cash, cash equivalents and Investments $ 0 $ 0