SCHEDULE II - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Statements of Comprehensive Income (Loss)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Net investment income	$ 6,115,000,000	$ 5,510,000,000	$ 5,223,000,000
Other revenues	777,000,000	658,000,000	604,000,000
Total revenues	19,230,000,000	17,439,000,000	17,258,000,000
Expenses
Operating and administrative expenses	2,251,000,000	2,072,000,000	2,210,000,000
Total expenses	17,592,000,000	17,016,000,000	16,339,000,000
Income (loss) before federal income taxes, equity in income (loss) of subsidiaries	1,638,000,000	423,000,000	919,000,000
Federal income tax expense (benefit)	233,000,000	(76,000,000)	33,000,000
Net income (loss)	1,405,000,000	499,000,000	886,000,000
Other comprehensive income (loss), net of tax:
Unrealized investment gains (losses)	(2,535,000,000)	3,192,000,000	5,288,000,000
Foreign currency translation adjustment	(2,000,000)	5,000,000	6,000,000
Funded status of employee benefit plans	47,000,000	61,000,000	(28,000,000)
Total other comprehensive income (loss), net of tax	(2,490,000,000)	3,258,000,000	5,266,000,000
Comprehensive income (loss)	(1,085,000,000)	3,757,000,000	6,152,000,000
Parent Company [Member]
Revenues
Dividends from subsidiaries	2,060,000,000	840,000,000	830,000,000
Interest from subsidiaries	114,000,000	127,000,000	158,000,000
Net investment income	1,000,000	4,000,000	11,000,000
Realized gain (loss)			2,000,000
Total revenues	2,175,000,000	971,000,000	1,001,000,000
Expenses
Operating and administrative expenses	69,000,000	50,000,000	51,000,000
Interest - subsidiaries	10,000,000	20,000,000	48,000,000
Interest - other	263,000,000	275,000,000	311,000,000
Total expenses	342,000,000	345,000,000	410,000,000
Income (loss) before federal income taxes, equity in income (loss) of subsidiaries	1,833,000,000	626,000,000	591,000,000
Federal income tax expense (benefit)	(49,000,000)	(45,000,000)	(52,000,000)
Income (loss) before equity in income (loss) of subsidiaries	1,882,000,000	671,000,000	643,000,000
Equity in income (loss) of subsidiaries	(477,000,000)	(172,000,000)	243,000,000
Net income (loss)	1,405,000,000	499,000,000	886,000,000
Other comprehensive income (loss), net of tax:
Unrealized investment gains (losses)	(2,535,000,000)	3,192,000,000	5,288,000,000
Foreign currency translation adjustment	(2,000,000)	5,000,000	6,000,000
Funded status of employee benefit plans	47,000,000	61,000,000	(28,000,000)
Total other comprehensive income (loss), net of tax	(2,490,000,000)	3,258,000,000	5,266,000,000
Comprehensive income (loss)	$ (1,085,000,000)	$ 3,757,000,000	$ 6,152,000,000