AOCI Portion Attributable to change of FV of investments with OTTI

No definition available.

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- Definition

Company assumed recovery rate.

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Number of fixed maturities in an unrealized loss position.

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Largest single unrealized loss in the fixed maturities.

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No definition available.

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Total number of fixed maturities.

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No definition available.

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- Definition

Moodys historical mean recovery rate.

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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.

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No definition available.

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- Definition

Line items represent reporting 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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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

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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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Amount of cash outflow to acquire investments classified as other.

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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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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.

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No definition available.

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Investments (Narrative) (Detail) $ in Millions	3 Months Ended		6 Months Ended
Investments (Narrative) (Detail) $ in Millions	Jun. 30, 2019 USD ($) Security	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) Security	Jun. 30, 2018 USD ($)	May 31, 2019	Dec. 31, 2018 USD ($)
Investment [Line Items]
Equity Method Investment, Ownership Percentage	100.00%		100.00%
Net unrealized appreciation (depreciation) included in OCI	$ 7	$ 0	$ 16	$ (4)
Unrealized appreciation(depreciation) portion of AOCI with OTTI included in AOCI	$ 3		$ 3			$ 1
Percentage of mortgage-backed securities represented by investments in US government agency bonds	82.00%		82.00%			81.00%
Company Assumed Recovery Rate			32.00%
Moodys Historical Mean Recovery Rate			42.00%
Total number of fixed maturities \| Security	30,289		30,289
Number of fixed maturities in an unrealized loss position \| Security	5,202		5,202
Largest single unrealized loss in the fixed maturities	$ 3		$ 3
Restricted assets in fixed maturities and short-term investments	22,200		22,200			$ 21,000
Restricted assets in cash	98		98			$ 93
Operating Lease, Impairment Loss				22
Corporate securities
Investment [Line Items]
Credit losses recognized in net income	8	1	14	1
Mortgage-backed securities
Investment [Line Items]
Credit losses recognized in net income	$ 0	0	$ 0	0
Junior Subordinated Debt [Member] \| Chubb INA Senior Notes Due 2037 [Member]
Investment [Line Items]
Gain (Loss) on Extinguishment of Debt				36
Huatai Insurance Group [Member]
Investment [Line Items]
Equity Method Investment, Ownership Percentage	26.20%		26.20%		6.20%
Payments to Acquire Other Investments			$ 329
Junior Subordinated Debt [Member] \| Chubb INA Capital Securities Due 2067 [Member]
Investment [Line Items]
Debt Instrument, Face Amount		$ 1,000		$ 1,000
Debt Instrument, Interest Rate, Stated Percentage		6.375%		6.375%