Consolidated Statements of Stockholder's Equity - USD ($) $ in Millions	Total	Common Stock	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance as of beginning-of-year at Dec. 31, 2021		$ 11,950	$ 3,734	$ 10,250
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from Lincoln National Corporation		925
Stock compensation/issued for benefit plans		28
Net income (loss)	$ (1,675)		(1,675)
Dividends paid to Lincoln National Corporation			(645)
Other comprehensive income (loss), net of tax	(15,963)			(15,963)
Balance as of end-of-year at Dec. 31, 2022	8,604	12,903	1,414	(5,713)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from Lincoln National Corporation		5
Stock compensation/issued for benefit plans		53
Net income (loss)	(1,788)		(1,788)
Dividends paid to Lincoln National Corporation			(495)
Other comprehensive income (loss), net of tax	4,128			4,128
Balance as of end-of-year at Dec. 31, 2023	10,507	12,961	(869)	(1,585)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from Lincoln National Corporation		0
Stock compensation/issued for benefit plans		54
Net income (loss)	2,130		2,130
Dividends paid to Lincoln National Corporation			(1,434)
Other comprehensive income (loss), net of tax	(745)			(745)
Balance as of end-of-year at Dec. 31, 2024	$ 10,512	$ 13,015	$ (173)	$ (2,330)