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Fair Value (Financial Instruments Carried at Other Than Fair Value) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Assets
Policy loans	$ 1,273	$ 1,282
Liabilities
Separate account liabilities	87,440	84,965	$ 104,441
Carrying Value
Assets
Mortgage loans	22,823	22,936
Policy loans	1,273	1,282
Other invested assets	232	213
Premiums, reinsurance and other receivables	6,753	6,080
Liabilities
Policyholder account balances	31,509	31,887
Long-term debt	3,157	3,156
Other liabilities	1,042	943
Separate account liabilities	1,069	1,024
Estimated Fair Value
Assets
Mortgage loans	21,056	20,816
Policy loans	1,432	1,393
Other invested assets	232	213
Premiums, reinsurance and other receivables	6,912	6,230
Liabilities
Policyholder account balances	30,524	30,942
Long-term debt	2,662	2,703
Other liabilities	1,042	943
Separate account liabilities	1,069	1,024
Estimated Fair Value | Level 1
Assets
Mortgage loans	0	0
Policy loans	0	0
Other invested assets	0	0
Premiums, reinsurance and other receivables	0	0
Liabilities
Policyholder account balances	0	0
Long-term debt	0	0
Other liabilities	0	0
Separate account liabilities	0	0
Estimated Fair Value | Level 2
Assets
Mortgage loans	0	0
Policy loans	499	515
Other invested assets	220	201
Premiums, reinsurance and other receivables	104	89
Liabilities
Policyholder account balances	0	0
Long-term debt	2,662	2,703
Other liabilities	346	248
Separate account liabilities	1,069	1,024
Estimated Fair Value | Level 3
Assets
Mortgage loans	21,056	20,816
Policy loans	933	878
Other invested assets	12	12
Premiums, reinsurance and other receivables	6,808	6,141
Liabilities
Policyholder account balances	30,524	30,942
Long-term debt	0	0
Other liabilities	696	695
Separate account liabilities	$ 0	$ 0

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Total amount of mortgage loans not valued on a recurring basis as of the balance sheet date.

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Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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