v3.26.1
Collateral Financing Agreement With Affiliate (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2023
USD ($)
security
Debt Instrument, Redemption [Line Items]      
Margin deposits posted under affiliate financing agreement $ 438 $ 444  
Margin deposits financing with affiliate $ 438 $ 444  
Pre-Capitalized Trust Securities      
Debt Instrument, Redemption [Line Items]      
Derivative, number of instruments held | security     450,000
Notional Amount (Net of Amortization)     $ 450