Investments (Net Unrealized Gains (Losses) on Investments Reported as a Separate Component of Stockholders' Equity) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Investments [Abstract]
Net unrealized gains (losses) on investments	$ (5,425,373)	$ 4,309,606
Adjustments for assumed changes in amortization of deferred policy acquisition costs, deferred sales inducements and policy benefit reserves	2,594,217	(1,993,869)
Deferred income tax valuation allowance reversal	22,534	22,534
Deferred income tax expense	594,234	(489,482)
Net unrealized gains (losses) reported as accumulated other comprehensive income (loss)	$ (2,214,388)	$ 1,848,789

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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