v3.25.4
Employee Benefits- Schedule of Fair Value of Investments (Details) - Pension Plan - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 272 $ 246 $ 253
Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 258 232  
Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 14 14  
Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Large-cap value      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 14 14  
Large-cap value | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 14 14  
Large-cap value | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Large-cap value | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Large-cap core      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 19 21  
Large-cap core | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 19 21  
Large-cap core | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Large-cap core | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Mid-cap core      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 18 17  
Mid-cap core | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 18 17  
Mid-cap core | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Mid-cap core | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Small-cap core      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 19 17  
Small-cap core | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 19 17  
Small-cap core | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Small-cap core | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
International growth      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 26 18  
International growth | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 26 18  
International growth | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
International growth | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
International value      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 13 12  
International value | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 13 12  
International value | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
International value | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Large-cap growth      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 27 28  
Large-cap growth | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 27 28  
Large-cap growth | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Large-cap growth | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Mutual Funds Fixed Income - Intermediate - Core Plus      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 110 96  
Mutual Funds Fixed Income - Intermediate - Core Plus | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 110 96  
Mutual Funds Fixed Income - Intermediate - Core Plus | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Mutual Funds Fixed Income - Intermediate - Core Plus | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Common Stock      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 12 9  
Common Stock | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 12 9  
Common Stock | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Common Stock | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Common/Collective Trust-Equity Large cap value      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 14 14  
Common/Collective Trust-Equity Large cap value | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Common/Collective Trust-Equity Large cap value | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 14 14  
Common/Collective Trust-Equity Large cap value | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan, Plan Assets, Category [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 0