Fair Value - Carrying Value and Fair Value Classified by Level (Details) - Nonrecurring - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Carrying Value
Assets:
Mortgage loans	$ 1,044	$ 902
Equity securities	411	126
Liabilities:
Investment contract liabilities with a fixed maturity	3	5
Investment contracts liabilities without a fixed maturity	332	336
Long-term debt	52,257	56,176
Carrying Value \| Disposal Group, Held-for-sale, Not Discontinued Operations
Liabilities:
Long-term debt	3
Estimated Fair Value
Assets:
Mortgage loans	978	907
Liabilities:
Investment contract liabilities with a fixed maturity	3	5
Investment contracts liabilities without a fixed maturity	305	373
Long-term debt	47,653	64,157
Level 1 \| Estimated Fair Value
Assets:
Mortgage loans	0	0
Liabilities:
Investment contract liabilities with a fixed maturity	0	0
Investment contracts liabilities without a fixed maturity	0	0
Long-term debt	47,653	64,157
Level 2 \| Estimated Fair Value
Assets:
Mortgage loans	0	0
Liabilities:
Investment contract liabilities with a fixed maturity	0	0
Investment contracts liabilities without a fixed maturity	0	0
Long-term debt	0	0
Level 3 \| Estimated Fair Value
Assets:
Mortgage loans	978	907
Liabilities:
Investment contract liabilities with a fixed maturity	3	5
Investment contracts liabilities without a fixed maturity	305	373
Long-term debt	$ 0	$ 0

Investment Contracts With Fixed Maturity, Fair Value Disclosure.

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Investment Contracts Without A Fixed Maturity, Fair Value Disclosure.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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-Publisher FASB
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Amount of investment in equity security without readily determinable fair value.

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Fair value portion of mortgage loans held-for-sale.

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