Schedule II Condensed Financial Information of the Hartford Financial Services, Inc. - Statements of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Operations and Comprehensive Income
Net investment income	$ 2,313	$ 1,846	$ 1,951
Net realized gains (losses)	509	(14)	395
Revenues	22,390	20,523	20,740
Interest expense	234	236	259
Loss on extinguishment of debt	0	0	(90)
Insurance operating costs and other expenses	4,779	4,480	4,580
Total benefits, losses and expenses	19,494	18,403	18,180
Income tax expense	531	383	475
Net income	2,365	1,737	2,085
Other comprehensive income (loss) - parent company:
Change in net gain on cash flow hedging instruments	(6)	3	14
OCI, net of tax	(998)	1,118	1,631
Comprehensive income	1,367	2,855	3,716
Parent Company
Consolidated Statements of Operations and Comprehensive Income
Net investment income	2	9	50
Net realized gains (losses)	(1)	(2)	3
Revenues	1	7	53
Interest expense	234	236	255
Loss on extinguishment of debt	0	0	(68)
Insurance operating costs and other expenses	(2)	(8)	15
Total benefits, losses and expenses	232	228	338
Loss before income taxes and earnings of subsidiaries	(231)	(221)	(285)
Income tax expense	(51)	(39)	(60)
Income (loss) before earnings of subsidiaries	(180)	(182)	(225)
Earnings of subsidiaries	2,545	1,919	2,310
Net income	2,365	1,737	2,085
Other comprehensive income (loss) - parent company:
Change in net gain on cash flow hedging instruments	24	(28)	(24)
Change in net unrealized gain or loss on fixed maturities	(1)	(1)	5
Change in pension and other postretirement plan adjustments	224	(36)	(35)
Other comprehensive income (loss), net of taxes before other comprehensive income of subsidiaries	247	(65)	(54)
Other comprehensive income (loss) of subsidiaries	(1,245)	1,183	1,685
OCI, net of tax	(998)	1,118	1,631
Comprehensive income	$ 1,367	$ 2,855	$ 3,716