CONSOLIDATED BALANCE SHEETS PARENTHETICAL - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Available for Sale at Fair value - Amortized cost	$ 82,907	$ 64,977
Preferred stock par value	$ 0.01
Preferred stock shares authorized	10,000,000
Common stock par value	$ 0.01
Common stock shares authorized	140,000,000
Common Stock, Shares, Issued	85,310,598	85,310,598
Allowances for Loan and Lease Losses, Real Estate	$ 93	$ 67
Financing Receivable, Allowance for Credit Loss	$ 98	$ 75
Treasury Stock, Common, Shares	19,438,336	19,689,885