DERIVATIVE INSTRUMENTS - Summary of Balance Sheet Classification of Derivative Fair Value Amounts, as well as Gross Asset and Liability Fair Value Amounts (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Notional Amount	$ 52,919	$ 57,049
Derivative Asset, Fair Value	321	337
Derivative Liability, Fair Value	1,135	1,430
Cash flow hedges
Derivatives, Fair Value [Line Items]
Notional Amount	18	18
Derivative Asset, Fair Value	0	0
Derivative Liability, Fair Value	5	4
Cash flow hedges \| Foreign currency swaps \| Variable Interest Entity, Consolidated
Derivatives, Fair Value [Line Items]
Notional Amount	18	18
Derivative Asset, Fair Value	0	0
Derivative Liability, Fair Value	5	4
Fair value hedges
Derivatives, Fair Value [Line Items]
Notional Amount	0	2,158
Derivative Asset, Fair Value	0	0
Derivative Liability, Fair Value	0	0
Fair value hedges \| Foreign currency options
Derivatives, Fair Value [Line Items]
Notional Amount	0	2,158
Derivative Asset, Fair Value	0	0
Derivative Liability, Fair Value	0	0
Net investment hedge
Derivatives, Fair Value [Line Items]
Notional Amount	2,339	3,067
Derivative Asset, Fair Value	202	179
Derivative Liability, Fair Value	0	27
Net investment hedge \| Foreign currency forwards
Derivatives, Fair Value [Line Items]
Notional Amount	2,339	2,611
Derivative Asset, Fair Value	202	179
Derivative Liability, Fair Value	0	27
Net investment hedge \| Foreign currency options
Derivatives, Fair Value [Line Items]
Notional Amount	0	456
Derivative Asset, Fair Value	0	0
Derivative Liability, Fair Value	0	0
Non-qualifying strategies
Derivatives, Fair Value [Line Items]
Notional Amount	50,562	51,806
Derivative Asset, Fair Value	119	158
Derivative Liability, Fair Value	1,130	1,399
Non-qualifying strategies \| Foreign currency swaps \| Variable Interest Entity, Consolidated
Derivatives, Fair Value [Line Items]
Notional Amount	3,417	3,417
Derivative Asset, Fair Value	57	55
Derivative Liability, Fair Value	578	503
Non-qualifying strategies \| Foreign currency swaps \| Consolidated Entity Excluding Variable Interest Entities (VIE)
Derivatives, Fair Value [Line Items]
Notional Amount	1,200	1,200
Derivative Asset, Fair Value	24	31
Derivative Liability, Fair Value	0	0
Non-qualifying strategies \| Foreign currency forwards
Derivatives, Fair Value [Line Items]
Notional Amount	0	7,402
Derivative Asset, Fair Value	0	59
Derivative Liability, Fair Value	0	477
Non-qualifying strategies \| Foreign currency options
Derivatives, Fair Value [Line Items]
Notional Amount	28,715	22,557
Derivative Asset, Fair Value	38	2
Derivative Liability, Fair Value	69	0
Non-qualifying strategies \| Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	17,230	17,230
Derivative Asset, Fair Value	0	11
Derivative Liability, Fair Value	$ 483	$ 419

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 5C
-Subparagraph (SX 210.12-13C(Column F))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5C

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 5B
-Subparagraph (SX 210.12-13B(Column E))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483444/210-20-55-22

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483466/210-20-50-3

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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