v3.26.1
Schedule of Asset Held for Investment at Year End (Details) - EBP 002 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Schedule of Asset Held for Investment    
EBP, Plan Name TAX-QUALIFIED SAVINGS PLAN  
EBP, Plan Number 002  
Participant Loans $ 10,825,463  
Investment, party-in-interest true  
Current Value $ 1,510,732,631  
Participant Loan Maturity Date Through Dec. 01, 2040  
Registered Investment Company    
Schedule of Asset Held for Investment    
Current Value $ 1,339,300,836  
EBP, Self-Directed Brokerage Account    
Schedule of Asset Held for Investment    
Current Value $ 56,984,108  
Vanguard Federal Money Market Fund | Interest-Bearing Deposits    
Schedule of Asset Held for Investment    
Investment, Number of Shares 35,699,186  
Current Value $ 35,699,186  
Cincinnati Financial Corporation    
Schedule of Asset Held for Investment    
Current Value $ 78,748,501  
Cincinnati Financial Corporation | EBP, Employer, Common Stock    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 482,110 467,384
Current Value $ 78,738,274  
Cincinnati Financial Corporation | Employer Common Stock Fund    
Schedule of Asset Held for Investment    
Current Value $ 10,227  
Fidelity 500 Index Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 707,548  
Current Value $ 168,198,235  
Fidelity Contrafund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 2,866,714  
Current Value $ 100,306,324  
T. Rowe Price Growth Stock | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 831,793  
Current Value $ 90,041,639  
Dodge & Cox Stock Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 5,037,138  
Current Value $ 83,566,120  
Fidelity International Cap | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 3,168,602  
Current Value $ 55,387,159  
Janus Henderson Enterprise | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 404,932  
Current Value $ 58,431,650  
Vanguard Mid Cap Index Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 726,829  
Current Value $ 57,695,717  
Fidelity Total Bond Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 5,099,875  
Current Value $ 45,541,884  
Vanguard Small Cap Index Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 270,130  
Current Value $ 33,382,701  
T. Rowe Price New Horizons | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 509,401  
Current Value $ 26,595,847  
Vanguard Total Bond Market Index Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 3,466,585  
Current Value $ 33,868,537  
Fidelity International Index | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 772,878  
Current Value $ 46,990,968  
Allspring Special Mid Cap | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 306,487  
Current Value $ 14,003,384  
Allspring Special Small Cap | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 337,224  
Current Value $ 12,200,782  
T. Rowe Price Equity Income Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, Number of Shares 371,208  
Current Value $ 14,310,081  
Fidelity Freedom Index 2010 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 17,928  
Current Value $ 242,207  
Fidelity Freedom Index 2015 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 157,963  
Current Value $ 2,385,235  
Fidelity Freedom Index 2020 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 311,381  
Current Value $ 5,249,878  
Fidelity Freedom Index 2025 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 1,805,328  
Current Value $ 36,702,316  
Fidelity Freedom Index 2030 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 3,049,139  
Current Value $ 68,941,025  
Fidelity Freedom Index 2035 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 3,413,216  
Current Value $ 90,859,822  
Fidelity Freedom Index 2040 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 2,749,596  
Current Value $ 79,270,860  
Fidelity Freedom Index 2045 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 2,559,707  
Current Value $ 78,941,363  
Fidelity Freedom Index 2050 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 1,891,441  
Current Value $ 58,464,438  
Fidelity Freedom Index 2055 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 1,566,841  
Current Value $ 39,876,106  
Fidelity Freedom Index 2060 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 1,300,649  
Current Value $ 28,054,992  
Fidelity Freedom Index 2065 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 496,996  
Current Value $ 8,677,542  
Fidelity Freedom Index 2070 Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 28,100  
Current Value $ 346,751  
Fidelity Freedom Index Income Fund | Registered Investment Company    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Investment, Number of Shares 62,127  
Current Value $ 767,273  
Fidelity Investments | EBP, Self-Directed Brokerage Account    
Schedule of Asset Held for Investment    
Investment, party-in-interest true  
Current Value $ 11,576,054  
Minimum    
Schedule of Asset Held for Investment    
Participant Loan Interest Rate 4.25%  
Maximum    
Schedule of Asset Held for Investment    
Participant Loan Interest Rate 9.50%