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Value of Business Acquired ("VOBA"), Deferred Acquisition Costs ("DAC"), and Deferred Sales Inducements ("DSI") - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Finite-Lived Intangible Assets
VOBA amortization	$ 117	$ 120
VOBA including amortization		135
DAC amortization	260	200
Indexed annuities
Finite-Lived Intangible Assets
VOBA amortization	93	101
DAC amortization	145	112
DSI amortization	$ 47	$ 27

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