v3.26.1
Fair Value Measurements (Details) - EBP 002 - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value $ 12,007,330 $ 10,652,600
Collective investments trusts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 412,000 447,000
Fair Value    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 2,811,459 2,647,365
Fair Value | Registered investment companies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 31,470 23,413
Fair Value | Duke Energy common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 1,040,764 1,051,141
Fair Value | Common collective trusts measured at NAV    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 518,520 492,601
Fair Value | Cash equivalents    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 9,031 6,892
Fair Value | BrokerageLink    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 1,211,674 1,073,318
Total Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 2,811,459 2,647,365
Total Level 1 | Registered investment companies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 31,470 23,413
Total Level 1 | Duke Energy common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 1,040,764 1,051,141
Total Level 1 | Common collective trusts measured at NAV    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 518,520 492,601
Total Level 1 | Cash equivalents    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 9,031 6,892
Total Level 1 | BrokerageLink    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 1,211,674 1,073,318
Publicly-traded stock | Collective investments trusts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value $ 9,195,871 $ 8,005,235