Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Insurance premiums	$ 1,601	$ 1,579
Fee income	1,324	1,379
Net investment income	1,346	1,466
Realized gain (loss)	(434)	(828)
Amortization of deferred gain (loss) on business sold through reinsurance	(12)	9
Other revenues	291	209
Total revenues	4,116	3,814
Expenses
Benefits	2,003	2,291
Interest credited	822	785
Market risk benefit (gain) loss	(1,907)	619
Policyholder liability remeasurement (gain) loss	(12)	(118)
Commissions and other expenses	1,601	1,324
Interest and debt expense	81	83
Total expenses	2,588	4,984
Income (loss) before taxes	1,528	(1,170)
Federal income tax expense (benefit)	306	(289)
Net income (loss)	1,222	(881)
Other comprehensive income (loss), net of tax:
Unrealized investment gain (loss)	(127)	1,774
Market risk benefit non-performance risk gain (loss)	(464)	1,025
Policyholder liability discount rate remeasurement gain (loss)	116	(202)
Foreign currency translation adjustment	(1)	3
Funded status of employee benefit plans	1	(2)
Total other comprehensive income (loss), net of tax	(475)	2,598
Comprehensive income (loss)	747	1,717
Net Income (Loss) Available to Common Stockholders
Net income (loss)	1,222	(881)
Preferred stock dividends declared	(34)	(25)
Deferred units of LNC stock in our deferred compensation plans	3	(3)
Net income (loss) available to common stockholders	$ 1,191	$ (909)
Net Income (Loss) Per Common Share
Basic (in dollars per share)	$ 6.98	$ (5.35)
Diluted (in dollars per share)	6.93	(5.37)
Cash Dividends Declared Per Preferred Share (in dollars per share)	1,718.75	1,254.69
Cash Dividends Declared Per Common Share (in dollars per share)	0.45	0.45
Series C Preferred Stock
Net Income (Loss) Per Common Share
Cash Dividends Declared Per Preferred Share (in dollars per share)	1,156.25	635.94
Series D Preferred Stock
Net Income (Loss) Per Common Share
Cash Dividends Declared Per Preferred Share (in dollars per share)	$ 562.50	$ 618.75