Fair Value Measurements - Other Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	$ 149	$ 145
Other Investments	143	43
Separate Account Asset	96,964	87,319
Derivatives liabilities	144	216
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities including securities pledged, Fair Value	26,412	29,993
Equity Securities, FV-NI	141	116
Cash, Cash Equivalents, and Short-term Investments	1,244	626
Deposit Contracts, Assets	1,425	0
Derivative assets	149	145
Other Investments	143	43
Separate Account Asset	96,964	87,319
Short Term Loan Affiliate	130	653
Short-term Debt	19	8
Long-term Debt, Fair Value	2	3
Fair Value \| Derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivatives liabilities	144	216
Fair Value \| FIA
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	9	10
Fair Value \| Stabilizer and MCGs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	20	53
Fair Value \| Investment Contract, without a Fixed Maturity [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	35,256	36,741
Fair Value \| Investment Contract, with a Fixed Maturity [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	925	796
Fair Value \| Supplementary Contracts and Immediate Annuities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	267	345
Fair Value \| Policy loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	171	187
Fair Value \| Mortgage loans on real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	4,495	5,013
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities including securities pledged, Fair Value	26,412	29,993
Equity Securities, FV-NI	141	116
Cash, Cash Equivalents, and Short-term Investments	1,244	626
Deposit Contracts, Assets	1,407	0
Derivative assets	149	145
Other Investments	143	43
Separate Account Asset	96,964	87,319
Short Term Loan Affiliate	130	653
Short-term Debt	19	8
Long-term Debt, Fair Value	2	3
Reported Value Measurement [Member] \| Derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivatives liabilities	144	216
Reported Value Measurement [Member] \| FIA
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	9	10
Reported Value Measurement [Member] \| Stabilizer and MCGs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	20	53
Reported Value Measurement [Member] \| Investment Contract, without a Fixed Maturity [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	28,128	28,169
Reported Value Measurement [Member] \| Investment Contract, with a Fixed Maturity [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	925	795
Reported Value Measurement [Member] \| Supplementary Contracts and Immediate Annuities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	257	288
Reported Value Measurement [Member] \| Policy loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	171	187
Reported Value Measurement [Member] \| Mortgage loans on real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	$ 4,233	$ 4,694

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.

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Carrying amount of assets as of the balance sheet date pertaining to amounts paid by the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of liability related to investment contracts for example, but not limited to, guaranteed investment contract or annuities.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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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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Amount of investments classified as other.

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Amount of asset at fair value held for benefit of separate account policyholder.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Short Term Loan Affiliate

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