Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
Effective tax rate	13.90%	5.50%	29.90%
Percent of income tax expense (benefit)	5.00%
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0
Income (loss) from domestic operations	973	478	$ (993)
Unrecognized Tax Benefits	0	0	0
DRD constituting non-taxable investment income	41	40	44
Non-taxable investment income	$ 43	$ 43	$ 46