Consolidated Statements of Stockholder's Equity - USD ($) $ in Millions	Total	Cumulative effect from adoption of new accounting standards	Common Stock	Retained Earnings	Retained Earnings Cumulative effect from adoption of new accounting standards	Accumulated other comprehensive income	Accumulated other comprehensive income Cumulative effect from adoption of new accounting standards
Balance as of beginning-of-year at Dec. 31, 2020		$ 4,822	$ 11,853	$ 4,167	$ (1,820)	$ 9,021	$ 4,822
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from Lincoln National Corporation			65
Stock compensation/issued for benefit plans			32
Net income (loss)	$ 3,297			3,297
Dividends paid to Lincoln National Corporation				(1,910)
Other comprehensive income (loss), net of tax	(3,593)					(3,593)
Balance as of end-of-year at Dec. 31, 2021	25,934		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)