Consolidated Reinsurance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Life Insurance in Force, Gross	$ 494,317	$ 509,456	$ 534,106
Life Insurance in Force, Ceded	145,618	156,361	167,676
Life Insurance in Force, Assumed	8,966	8,965	8,884
Life Insurance in Force, Net	$ 357,665	$ 362,060	$ 375,314
Life Insurance in Force, Percentage Assumed to Net	2.50%	2.50%	2.40%
Direct premiums	$ 1,398	$ 1,466	$ 1,597
Ceded Premiums Earned	701	742	765
Assumed Premiums Earned	(10)	12	15
Premiums Earned, Net	$ 687	$ 736	$ 847
Premiums, Percentage Assumed to Net	(1.50%)	1.60%	1.80%
Affiliated Entity
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Life Insurance in Force, Assumed	$ 1,600	$ 1,700	$ 1,700
Life insurance (1)
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct premiums	1,193	1,251	1,375
Ceded Premiums Earned	500	532	548
Assumed Premiums Earned	(10)	12	15
Premiums Earned, Net	$ 683	$ 731	$ 842
Premiums, Percentage Assumed to Net	(1.50%)	1.60%	1.80%
Life insurance (1) | Affiliated Entity
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Assumed Premiums Earned	$ 2	$ 2	$ 5
Other products
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct premiums	205	215	222
Ceded Premiums Earned	201	210	217
Assumed Premiums Earned	0	0	0
Premiums Earned, Net	$ 4	$ 5	$ 5
Premiums, Percentage Assumed to Net	0.00%	0.00%	0.00%