Long Term Borrowings - Schedule Of Debt (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Short-Term Debt [Line Items]
Total	$ 2,957	$ 2,951
Term Loan Credit Facility - due May 25, 2027 \| Line of Credit
Short-Term Debt [Line Items]
Total	$ 99	98
5.000% Senior Notes - due June 15, 2027 \| Senior Notes
Short-Term Debt [Line Items]
Interest rate	5.00%
Total	$ 494	490
5.750% Senior Notes - due October 1, 2029 \| Senior Notes
Short-Term Debt [Line Items]
Interest rate	5.75%
Total	$ 597	596
6.144% Senior Notes - due June 13, 2032 \| Senior Notes
Short-Term Debt [Line Items]
Interest rate	6.144%
Total	$ 497	497
6.000% Senior Notes - due July 15, 2035 \| Senior Notes
Short-Term Debt [Line Items]
Interest rate	6.00%
Total	$ 692	692
5.000% American Equity Capital Trust II - due June 1, 2047 \| Senior Notes
Short-Term Debt [Line Items]
Interest rate	5.00%
Total	$ 84	84
7.000% Fixed-Rate Reset Junior Subordinated Notes - due December 1, 2055 \| Senior Notes
Short-Term Debt [Line Items]
Interest rate	7.00%
7.000% Fixed-Rate Reset Junior Subordinated Notes - due December 1, 2055 \| Junior Subordinated Debt
Short-Term Debt [Line Items]
Total	$ 494	$ 494