v3.26.1
SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) (Details) - EBP 007
12 Months Ended
Dec. 31, 2025
USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]  
Entity tax identification number 86-0062700
Plan number 007
Primary residence, borrowing term 15 years
Participant loan, cost $ 0
Notes Receivable from Participants: 9,902,712
EBP, Asset Held for Investment $ 606,647,524
Minimum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Participant loan, interest rate 5.25%
Maximum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Participant loan, interest rate 10.50%
Mutual Funds  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets $ 400,276,045
Common/Collective Trusts  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 159,660,728
Investment, Identifier [Axis]: Common Stock | Fortis Inc. | Common Stock (including cash of $1,390)  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 3,055,896
Investment, Identifier [Axis]: Common Stock | Fortis Inc. | Common Stock | Cash  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 1,390
Investment, Identifier [Axis]: Common/Collective Trusts | Fidelity | Growth Company Pool Class A  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 153,140,542
Investment, Identifier [Axis]: Common/Collective Trusts | Fidelity | Managed Income Portfolio Class 2  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 6,520,186
Investment, Identifier [Axis]: Mutual Funds | Fidelity | 500 Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 45,533,722
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Diversified International K6  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 12,934,825
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2010  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 506,701
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2015  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 1,213,921
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2020  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 4,696,278
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2025  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 10,354,053
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2030  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 25,849,370
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2035  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 30,597,249
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2040  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 45,615,846
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2045  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 37,468,091
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2050  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 29,417,650
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2055  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 14,867,440
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2060  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 6,771,911
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2065  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 2,684,604
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index 2070  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 587,570
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Freedom Index Retirement  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 1,016,071
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Government Money Market Class K6  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 19,552,361
Investment, Identifier [Axis]: Mutual Funds | Fidelity | International Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 14,263,498
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Low-Priced Stock K6  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 11,147,853
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Mid Cap Growth Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 1,788,746
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Mid Cap Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 3,121,886
Investment, Identifier [Axis]: Mutual Funds | Fidelity | Small Cap Stock K6  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 4,907,441
Investment, Identifier [Axis]: Mutual Funds | Fidelity | U.S. Bond Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 11,609,793
Investment, Identifier [Axis]: Mutual Funds | Franklin | Utilities Fund Class R6  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 6,171,796
Investment, Identifier [Axis]: Mutual Funds | Janus | Flexible Bond Fund Class N  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 9,358,346
Investment, Identifier [Axis]: Mutual Funds | Vanguard | Growth Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 17,000,375
Investment, Identifier [Axis]: Mutual Funds | Vanguard | Mid Cap Value Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 4,462,749
Investment, Identifier [Axis]: Mutual Funds | Vanguard | Small Cap Growth Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 479,059
Investment, Identifier [Axis]: Mutual Funds | Vanguard | Small Cap Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 876,814
Investment, Identifier [Axis]: Mutual Funds | Vanguard | Small Value Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 6,014,082
Investment, Identifier [Axis]: Mutual Funds | Vanguard | Value Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets 19,405,944
Investment, Identifier [Axis]: Self-Directed Brokerage Accounts | Other | Brokerage Link Accounts  
EBP, Schedule of Asset Held for Investment [Line Items]  
Total Assets $ 33,752,143