v3.26.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Jun. 30, 2026
Dec. 31, 2025
Statement of Financial Position [Abstract]    
Amortized cost of investments $ 29,674.6 [1] $ 29,249.9 [2]
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 1,000 1,000
Common stock, shares issued (in shares) 718 718
Common stock, shares outstanding (in shares) 718 718
[1] As of June 30, 2026, the estimated net unrealized loss for federal tax purposes was approximately $0.2 billion based on a tax cost basis of approximately $29.5 billion. As of June 30, 2026, the estimated aggregate gross unrealized loss for federal income tax purposes was approximately $1.5 billion and the estimated aggregate gross unrealized gain for federal income tax purposes was approximately $1.3 billion.     
[2] As of December 31, 2025, the estimated net unrealized gain for federal tax purposes was approximately $300 million based on a tax cost basis of $29.2 billion. As of December 31, 2025, the estimated aggregate gross unrealized gain for federal income tax purposes was approximately $1.3 billion and the estimated aggregate gross unrealized loss for federal income tax purposes was approximately $1.0 billion.