The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Debt - Schedule of Outstanding Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Aug. 23, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Debt of consolidated investment entities	$ 27,179		$ 30,163
Short term debt	1,500
Collateral posted to third parties for derivative transactions	2,900		2,700
AIG
Debt Instrument [Line Items]
Short-term and long-term debt	21,299		23,741
Junior subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)		6.875%
Unsecured Debt
Debt Instrument [Line Items]
Debt of consolidated investment entities	11,775		21,423
Unsecured Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Debt of consolidated investment entities	$ 10,242		19,633
Unsecured Debt \| Notes and bonds payable \| Validus Holdings Ltd
Debt Instrument [Line Items]
Interest rate (as a percent)	8.88%
Debt of consolidated investment entities	$ 269		293
Unsecured Debt \| Junior subordinated debt
Debt Instrument [Line Items]
Debt of consolidated investment entities	991		1,164
Unsecured Debt \| Loans And Mortgages Payable
Debt Instrument [Line Items]
Debt of consolidated investment entities	273		333
Secured Debt
Debt Instrument [Line Items]
Debt of consolidated investment entities	155		1,889
Collateral posted to third parties for derivative transactions	63		1,400
Secured Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Debt of consolidated investment entities	0		68
Secured Debt \| Notes and bonds payable \| AIGFP Operating
Debt Instrument [Line Items]
Debt of consolidated investment entities	18		18
Secured Debt \| Notes and bonds payable \| AIG
Debt Instrument [Line Items]
Debt of consolidated investment entities	81		0
Secured Debt \| Guaranteed Investment Agreements
Debt Instrument [Line Items]
Debt of consolidated investment entities	56		1,803
Debt Issued Or Guaranteed
Debt Instrument [Line Items]
Debt of consolidated investment entities	11,930		23,312
Corebridge Debt
Debt Instrument [Line Items]
Debt of consolidated investment entities	9,368		426
Corebridge Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Debt of consolidated investment entities	200		199
Corebridge Debt \| Junior subordinated debt
Debt Instrument [Line Items]
Debt of consolidated investment entities	$ 227		227
Debt Not Guaranteed \| Junior subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)	6.88%
Debt of consolidated investment entities	$ 989		0
Debt Not Guaranteed \| Corebridge senior unsecured notes
Debt Instrument [Line Items]
Debt of consolidated investment entities	6,452		0
Debt Not Guaranteed \| DDTL Facility
Debt Instrument [Line Items]
Short term debt	1,500		0
Debt Not Guaranteed \| Other subsidiaries notes, bonds, loans and mortgages payable
Debt Instrument [Line Items]
Debt of consolidated investment entities	1		3
Debt Not Guaranteed \| Debt Of Consolidated Investments
Debt Instrument [Line Items]
Debt of consolidated investment entities	5,880		6,422
Debt Not Guaranteed \| Debt Of Consolidated Investments \| Real Estate and Investment Entities
Debt Instrument [Line Items]
Debt of consolidated investment entities	1,500		1,900
Debt Not Guaranteed \| Debt Of Consolidated Investments \| Other VIE
Debt Instrument [Line Items]
Debt of consolidated investment entities	$ 4,400		$ 4,500
Minimum \| Unsecured Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Interest rate (as a percent)	0.00%
Minimum \| Unsecured Debt \| Junior subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)	4.88%
Minimum \| Unsecured Debt \| Loans And Mortgages Payable
Debt Instrument [Line Items]
Interest rate (as a percent)	0.20%
Minimum \| Secured Debt \| Notes and bonds payable \| AIGFP Operating
Debt Instrument [Line Items]
Interest rate (as a percent)	4.74%
Minimum \| Secured Debt \| Notes and bonds payable \| AIG
Debt Instrument [Line Items]
Interest rate (as a percent)	7.00%
Minimum \| Secured Debt \| Guaranteed Investment Agreements
Debt Instrument [Line Items]
Interest rate (as a percent)	4.88%
Minimum \| Corebridge Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Interest rate (as a percent)	6.63%
Minimum \| Corebridge Debt \| Junior subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)	7.57%
Minimum \| Debt Not Guaranteed \| Corebridge senior unsecured notes
Debt Instrument [Line Items]
Interest rate (as a percent)	3.50%
Minimum \| Debt Not Guaranteed \| DDTL Facility
Debt Instrument [Line Items]
Interest rate (as a percent)	3.00%
Minimum \| Debt Not Guaranteed \| Other subsidiaries notes, bonds, loans and mortgages payable
Debt Instrument [Line Items]
Interest rate (as a percent)	2.76%
Minimum \| Debt Not Guaranteed \| Debt Of Consolidated Investments
Debt Instrument [Line Items]
Interest rate (as a percent)	0.00%
Maximum \| Unsecured Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Interest rate (as a percent)	6.82%
Maximum \| Unsecured Debt \| Junior subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)	8.18%
Maximum \| Unsecured Debt \| Loans And Mortgages Payable
Debt Instrument [Line Items]
Interest rate (as a percent)	0.35%
Maximum \| Secured Debt \| Notes and bonds payable \| AIGFP Operating
Debt Instrument [Line Items]
Interest rate (as a percent)	4.77%
Maximum \| Secured Debt \| Notes and bonds payable \| AIG
Debt Instrument [Line Items]
Interest rate (as a percent)	8.13%
Maximum \| Secured Debt \| Guaranteed Investment Agreements
Debt Instrument [Line Items]
Interest rate (as a percent)	5.04%
Maximum \| Corebridge Debt \| Notes and bonds payable
Debt Instrument [Line Items]
Interest rate (as a percent)	7.50%
Maximum \| Corebridge Debt \| Junior subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)	8.50%
Maximum \| Debt Not Guaranteed \| Corebridge senior unsecured notes
Debt Instrument [Line Items]
Interest rate (as a percent)	4.40%
Maximum \| Debt Not Guaranteed \| DDTL Facility
Debt Instrument [Line Items]
Interest rate (as a percent)	5.50%
Maximum \| Debt Not Guaranteed \| Other subsidiaries notes, bonds, loans and mortgages payable
Debt Instrument [Line Items]
Interest rate (as a percent)	4.50%
Maximum \| Debt Not Guaranteed \| Debt Of Consolidated Investments
Debt Instrument [Line Items]
Interest rate (as a percent)	7.95%