Schedule V - Valuation Allowances and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	$ 235	$ 293
Additions, Other additions	19	0
Deductions	341	194
Balance as of end of period	280
Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	367	268
Balance as of end of period		367	$ 268
Fixed income securities
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	4	2
Additions, Other additions	0	0
Deductions	0	0
Balance as of end of period	6
Fixed income securities | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	2	0
Balance as of end of period		2	0
Mortgage loans
Valuation allowances and qualifying accounts
Balance as of beginning of period	367	3	3
Additions, Charged to costs and expenses	(61)	39	0
Additions, Other additions	0	0	0
Deductions	0	17	0
Balance as of end of period	6	367	3
Mortgage loans | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	67	45
Balance as of end of period		67	45
Bank loans
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	(6)	28
Additions, Other additions	0	0
Deductions	0	14
Balance as of end of period	61
Bank loans | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	67	53
Balance as of end of period		67	53
Investments
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	(63)	69
Additions, Other additions	0	0
Deductions	0	31
Balance as of end of period	73
Investments | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	136	98
Balance as of end of period		136	98
Premium installment receivable
Valuation allowances and qualifying accounts
Balance as of beginning of period		90	77
Additions, Charged to costs and expenses	274	223	137
Additions, Other additions	19	0	0
Deductions	339	161	124
Balance as of end of period	107		90
Premium installment receivable | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	153	91
Balance as of end of period		153	91
Reinsurance recoverables
Valuation allowances and qualifying accounts
Balance as of beginning of period		60	65
Additions, Charged to costs and expenses	15	(1)	(5)
Additions, Other additions	0	0	0
Deductions	1	0	0
Balance as of end of period	74		60
Reinsurance recoverables | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	60	61
Balance as of end of period		60	61
Other assets
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	9	2
Additions, Other additions	0	0
Deductions	0	0
Balance as of end of period	26
Other assets | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	17	15
Balance as of end of period		17	15
Assets
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	235	293
Additions, Other additions	19	0
Deductions	340	192
Balance as of end of period	280
Assets | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	366	265
Balance as of end of period		366	265
Commitments to fund mortgage loans and bank loans
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	0	0
Additions, Other additions	0	0
Deductions	1	2
Balance as of end of period	0
Commitments to fund mortgage loans and bank loans | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	1	3
Balance as of end of period		1	3
Liabilities
Valuation allowances and qualifying accounts
Balance as of beginning of period	1
Additions, Charged to costs and expenses	0	0
Additions, Other additions	0	0
Deductions	1	2
Balance as of end of period	0	1
Liabilities | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	1	3
Balance as of end of period		1	$ 3
Valuation allowance for deferred tax assets
Valuation allowances and qualifying accounts
Additions, Charged to costs and expenses	0
Additions, Other additions	38
Deductions	14
Balance as of end of period	24
Valuation allowance for deferred tax assets | Cumulative Effect, Period of Adoption, Adjusted Balance
Valuation allowances and qualifying accounts
Balance as of beginning of period	$ 0
Balance as of end of period		$ 0