Schedule V Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for mortgage and other loans receivable
Valuation and Qualifying Accounts
Balance at the beginning of the year	$ 814	$ 438	$ 397
Initial Allowance Upon CECL Adoption	0	318	0
Charged to costs and expenses	(164)	75	46
Charge offs	(2)	(17)	(5)
Divestitures	(19)	0	0
Other changes	0	0	0
Balance at the end of the year	629	814	438
Allowance for premiums and insurances balances receivable
Valuation and Qualifying Accounts
Balance at the beginning of the year	205	178	216
Initial Allowance Upon CECL Adoption	0	34	0
Charged to costs and expenses	(15)	6	(25)
Charge offs	(2)	(12)	(23)
Divestitures	0	0	0
Other changes	(3)	(1)	10
Balance at the end of the year	185	205	178
Allowance for reinsurance assets
Valuation and Qualifying Accounts
Balance at the beginning of the year	326	151	140
Initial Allowance Upon CECL Adoption	0	172	0
Charged to costs and expenses	24	12	20
Charge offs	(17)	(9)	(11)
Divestitures	0	0	0
Other changes	0	0	2
Balance at the end of the year	333	326	151
Federal and foreign valuation allowance for deferred tax assets
Valuation and Qualifying Accounts
Balance at the beginning of the year	1,330	1,425	1,779
Initial Allowance Upon CECL Adoption	0	0	0
Charged to costs and expenses	718	(65)	(44)
Charge offs	0	0	0
Divestitures	0	0	0
Other changes	(61)	(30)	(310)
Balance at the end of the year	$ 1,987	$ 1,330	$ 1,425