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Derivative Financial Instruments - Credit Exposure Related Counterparties (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivative Instruments Gain Loss [Line Items]
Exposure, net of collateral	$ 7	$ 9
Exposure, net of collateral	0	$ 0
Corporate Contracts [Member]
Derivative Instruments Gain Loss [Line Items]
Exposure, net of collateral	$ 7
Percent of exposure to counterparties with credit ratings below S&P AA- or Moody’s Aa3	100.00%

X

- Definition

Percent Of Exposure To Counterparties With Credit Ratings Below S&P AA Or Moody Aa3.

+ References

No definition available.

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- Definition

The net amount as of the balance sheet date of the fair value of derivative assets and derivative liabilities that in accordance with the entity's accounting policy were offset against collateral under a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959

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X

- Definition

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.

+ References

No definition available.

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- Definition

Fair value as of the balance sheet date of all derivatives designated as foreign currency fair value hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126966630&loc=d3e41228-113958

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