Commissions and Other Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Details underlying commissions and other expenses [Abstract]
Commissions	$ 2,225	$ 2,193	$ 2,566
General and administrative expenses	2,187	2,014	2,152
Expenses associated with reserve financing and LOCs	57	55	52
DAC and VOBA deferrals and interest, net of amortization	238	(144)	(586)
Broker-dealer expenses	441	378	372
Specifically identifiable intangible asset amortization	37	37	26
Taxes, licenses and fees	347	336	353
Acquisition and integration costs related to mergers and acquisitions	14	20	130
Total	$ 5,546	$ 4,889	$ 5,065