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Schedule IV Reinsurance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Life insurance in-force
Gross Amount	$ 1,147,723	$ 1,112,333	$ 1,134,390
Ceded Amount	23,330	22,814	19,055
Assumed From Other Companies	22,511	21,230	20,373
Net Amount	$ 1,146,904	$ 1,110,749	$ 1,135,708
Percentage of Amount Assumed to Net	2.00%	2.00%	2.00%
Insurance revenues
Gross Amount	$ 20,316	$ 18,867	$ 17,796
Ceded Amount	1,568	1,381	1,269
Assumed From Other Companies	829	696	927
Premiums Earned, Net	$ 19,390	$ 17,999	$ 17,288
Percentage of Amount Assumed to Net	4.00%	4.00%	5.00%
Earned premiums and fees [Member]
Insurance revenues
Premiums Earned, Net	$ 19,577	$ 18,182	$ 17,454
Property and Casualty Insurance Products
Insurance revenues
Gross Amount	14,328	13,204	12,551
Ceded Amount	1,462	1,277	1,173
Assumed From Other Companies	654	568	540
Premiums Earned, Net	$ 13,520	$ 12,495	$ 11,918
Percentage of Amount Assumed to Net	5.00%	5.00%	5.00%
Life insurance and annuities
Insurance revenues
Gross Amount	$ 2,341	$ 2,367	$ 2,251
Ceded Amount	25	25	24
Assumed From Other Companies	77	46	207
Premiums Earned, Net	$ 2,393	$ 2,388	$ 2,434
Percentage of Amount Assumed to Net	3.00%	2.00%	9.00%
Accident and health insurance
Insurance revenues
Gross Amount	$ 3,647	$ 3,296	$ 2,994
Ceded Amount	81	79	72
Assumed From Other Companies	98	82	180
Premiums Earned, Net	$ 3,664	$ 3,299	$ 3,102
Percentage of Amount Assumed to Net	3.00%	2.00%	6.00%

X

- Definition

Amount of life insurance issued and outstanding assumed from other entity, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value.

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