Segment Information (Product Table) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	$ 57,616	$ 50,384	$ 49,486
Life insurance
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	21,969	22,872	21,256
Accident & health insurance
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	17,453	17,498	15,346
Annuities
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	16,647	7,499	7,916
Other
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	$ 1,547	$ 2,515	$ 4,968