Fair Value (Financial Instruments Carried at Other Than Fair Value) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Assets
Policy loans	$ 886	$ 869
Liabilities
Separate account liabilities	82,622	106,225
Carrying Value
Assets
Mortgage loans	21,449	19,787
Policy loans	886	869
Other invested assets	284	85
Premiums, reinsurance and other receivables	3,552	3,075
Liabilities
Policyholder account balances	26,633	23,507
Short-term debt	125
Long-term debt	839	841
Other liabilities	1,147	886
Separate account liabilities	1,063	1,437
Estimated Fair Value
Assets
Mortgage loans	20,338	20,591
Policy loans	958	1,038
Other invested assets	284	85
Premiums, reinsurance and other receivables	3,890	3,603
Liabilities
Policyholder account balances	25,911	23,487
Short-term debt	125
Long-term debt	763	1,123
Other liabilities	1,147	876
Separate account liabilities	1,063	1,437
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
Short-term debt	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	476	470
Other invested assets	144	70
Premiums, reinsurance and other receivables	311	20
Liabilities
Policyholder account balances	0	0
Short-term debt	0
Long-term debt	30	36
Other liabilities	337	60
Separate account liabilities	1,063	1,437
Estimated Fair Value \| Level 3
Assets
Mortgage loans	20,338	20,591
Policy loans	482	568
Other invested assets	140	15
Premiums, reinsurance and other receivables	3,579	3,583
Liabilities
Policyholder account balances	25,911	23,487
Short-term debt	125
Long-term debt	733	1,087
Other liabilities	810	816
Separate account liabilities	$ 0	$ 0

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

No definition available.

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Fair value portion of other investments not otherwise specified in the taxonomy.

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- Definition

Fair value portion of the liability of policyholders for deposits held under the terms of insurance contracts.

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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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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Fair value portion of other liabilities.

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Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

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