Amount of expense for amortization of capitalized computer software costs.

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-Name Accounting Standards Codification
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- Definition

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
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- Definition

Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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No definition available.

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SIGNIFICANT ACCOUNTING POLICIES - Policyholders' Account Balances and Future Policy Benefits and Various Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Capitalized Computer Software and Hosting Arrangements [Abstract]
Computer software and hosting arrangements	$ 224	$ 193
Amortization of computer software and hosting arrangements	$ 45	57	$ 60
US Fund Shares Deferred Sales Commissions, Net
Capitalized Computer Software and Hosting Arrangements [Abstract]
Capitalized contract cost, amortization period	5 years 6 months
Non-US Fund Shares Deferred Sales Commissions, Net
Capitalized Computer Software and Hosting Arrangements [Abstract]
Capitalized contract cost, amortization period	4 years
Alliance Bernstein \| Deferred Sales Commissions
Capitalized Computer Software and Hosting Arrangements [Abstract]
Gross carrying amount of AllianceBernstein related intangible assets	$ 52	$ 75
Amortization expense, year two	29
Amortization expense, year three	18
Amortization expense, year four	$ 5
Minimum \| Computer Software, Intangible Asset
Capitalized Computer Software and Hosting Arrangements [Abstract]
Intangible asset useful life	3 years
Minimum \| Alliance Bernstein
Capitalized Computer Software and Hosting Arrangements [Abstract]
Intangible asset useful life	6 years
Maximum \| Computer Software, Intangible Asset
Capitalized Computer Software and Hosting Arrangements [Abstract]
Intangible asset useful life	5 years
Maximum \| Alliance Bernstein
Capitalized Computer Software and Hosting Arrangements [Abstract]
Intangible asset useful life	20 years