AOCI Portion Attributable to change of FV of investments with OTTI

No definition available.

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- Definition

Equity method investment, additional 15.3 percentage obtained

+ References

No definition available.

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- Definition

Equity method investment, additional 7.1 percentage obtained

+ References

No definition available.

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- Definition

Number of fixed maturities in an unrealized loss position.

+ References

No definition available.

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- Definition

Largest single unrealized loss in the fixed maturities.

+ References

No definition available.

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- Definition

Total number of fixed maturities.

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No definition available.

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- Definition

Limited partnerships number.

+ References

No definition available.

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- Definition

Moodys historical mean recovery rate.

+ References

No definition available.

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- Definition

Percentage of mortgage-backed securities represented by investments in US Government Agency bonds.

+ References

No definition available.

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- Definition

Net unrealized appreciation included in other comprehensive income relating to securities upon which a credit impairment was recorded.

+ References

No definition available.

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- Definition

Top range of gross unrealized losses represented by obligations relating to U.S. Treasury and agencies, foreign government, and states, municipalities, and political subdivision.

+ References

No definition available.

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- Definition

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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No definition available.

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- References

No definition available.

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- Definition

This item represents the default rate of the underlying assets in the security that were considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are not other-than-temporarily impaired.

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Amount of increase (decrease) in the cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (loss).

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

+ References

No definition available.

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Investments (Narrative) (Detail) $ in Millions	12 Months Ended
Investments (Narrative) (Detail) $ in Millions	Dec. 31, 2021	Dec. 31, 2019 USD ($) Security partnerships	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Investment [Line Items]
Document Period End Date		Dec. 31, 2019
Net unrealized appreciation (depreciation) included in OCI		$ 3	$ (4)
AOCI Portion Attributable to change of FV of investments with OTTI		(18)	$ 1
Portion of gross unrealized loss represented by the United States Treasury and Agency obligations		$ 61
Moodys historical mean recovery rate		42.00%
Limited partnerships number \| partnerships		131
Number of fixed maturities in an unrealized loss position \| Security		4,091
Total number of fixed maturities \| Security		31,203
Largest single unrealized loss in the fixed maturities		$ 6
Restricted assets in fixed maturities and short-term investments		$ 21,000
Percentage of mortgage-backed securities represented by investments in US government agency bonds		83.00%	81.00%
Restricted assets in cash		$ 109	$ 93
Huatai Group [Member]
Investment [Line Items]
Ownership Percentage		30.90%	20.00%
Corporate securities
Investment [Line Items]
Credit losses recognized in net income		$ 37	$ 25	$ 5
Company assumed recovery rate		32.00%
Collateralized Mortgage Backed Securities [Member]
Investment [Line Items]
Credit losses recognized in net income		$ 0	$ 0
CHINA \| Huatai Group [Member]
Investment [Line Items]
Ownership Percentage		31.00%	20.00%
CHINA \| Huatai Life Insurance Co. [Member]
Investment [Line Items]
Ownership Percentage		20.00%	20.00%
Subsequent Event [Member] \| CHINA \| Huatai Group [Member]
Investment [Line Items]
Equity method investment, additional 15.3 ownership percentage obtained	15.30%
Equity method investment, additional 7.1 percentage obtained	7.10%
Indirect Ownership [Member] \| CHINA \| Huatai Group [Member]
Investment [Line Items]
Ownership Percentage		30.90%
Indirect Ownership [Member] \| CHINA \| Huatai Life Insurance Co. [Member]
Investment [Line Items]
Ownership Percentage		25.00%
Direct Ownership [Member] \| CHINA \| Huatai Life Insurance Co. [Member]
Investment [Line Items]
Ownership Percentage		20.00%