Basis of Presentation	12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	1. Basis of Presentation American International Group, Inc. (AIG) is a leading global insurance organization. AIG provides insurance solutions that help businesses and individuals in approximately 190 countries and jurisdictions protect their assets and manage risks through AIG operations and network partners. Unless the context indicates otherwise, the terms “AIG,” “we,” “us,” “our” or "the Company" mean American International Group, Inc. and its consolidated subsidiaries, and the term “AIG Parent” means American International Group, Inc. and not any of its consolidated subsidiaries. The consolidated financial statements include the accounts of AIG Parent, our controlled subsidiaries (generally through a greater than 50 percent ownership of voting rights and voting interests), and variable interest entities (VIEs) of which we are the primary beneficiary. Equity investments in entities that we do not consolidate, including corporate entities in which we have significant influence and partnership and partnership-like entities in which we have more than minor influence over the operating and financial policies, are accounted for under the equity method unless we have elected the fair value option. Prior to the fourth quarter ending December 31, 2022, certain of our foreign property and casualty subsidiaries reported on the basis of a fiscal year ending November 30. The effect on our consolidated financial condition and results of operations of all material events occurring at these subsidiaries from November 30 through December 31 of the periods previously presented in these Consolidated Financial Statements was considered for adjustment and/or disclosure. Effective with the fourth quarter of the year ended December 31, 2022, the foreign property and casualty subsidiaries now report on a calendar year ending December 31. The elimination of a one-month reporting lag of a subsidiary is considered a change in accounting principle. We believe this change in accounting principle is preferable given that it aligns the reporting dates with other consolidated entities, which allows for a timelier and more consistent basis of reporting within our Consolidated Financial Statements. A change in accounting principle requires retrospective application. However, we determined that the effect of not retroactively applying this change was not material to our Consolidated Financial Statements for the current and prior periods. Therefore, we reported the cumulative effect of the change in accounting principle within the Consolidated Statements of Income (Loss) for the year ended December 31, 2022 and did not retrospectively apply the effects of this change to prior periods. The adoption impact was an increase to net income of $100 million for the year ended December 31, 2022. We adopted the Financial Accounting Standards Board's (FASB) targeted improvements to the accounting for long-duration contracts (the standard or LDTI) on January 1, 2023 with a transition date of January 1, 2021 (Transition Date). In accordance with the transition guidance in the standard, we updated our prior period Consolidated Financial Statements presented herein to reflect LDTI. For additional detail, see Note 2. The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP). All material intercompany accounts and transactions have been eliminated. SALES/DISPOSALS OF ASSETS AND BUSINESSES AIG Life Limited On September 25, 2023, Corebridge Financial, Inc. (Corebridge) announced that it entered into a definitive agreement to sell AIG Life Limited (AIG Life) to Aviva plc for £460 million in cash, subject to certain adjustments. The sale of AIG Life is expected to close in the first half of 2024, subject to regulatory approvals and other customary closing conditions. For further details on this transaction, see Note 4. Laya Healthcare Limited On October 31, 2023, Corebridge completed the sale of Laya Healthcare Limited (Laya) to AXA and received gross proceeds of €691 million ($731 million), resulting in a pre-tax gain of $652 million. Validus Re On November 1, 2023, AIG completed the sale of Validus Reinsurance, Ltd. (Validus Re), including AlphaCat Managers Ltd. and the Talbot Treaty reinsurance business, to RenaissanceRe Holdings Ltd. (RenaissanceRe) and received cash proceeds of $2.7 billion from RenaissanceRe and 1.3 million shares of RenaissanceRe common stock valued at $290 million as of the closing date, resulting in a pre-tax loss of $78 million. The results of Validus Re are reported in General Insurance. Additionally, AIG agreed to retain 95 percent of the difference between (i) the reserves with respect to the business as of the closing date of the sale for losses occurring prior to the closing date and (ii) the associated reserve development following the closing date with respect to such losses. Any reserve development will be settled annually, commencing with the calendar year ending December 31, 2024. This arrangement stays in effect until the parties determine to terminate such arrangement (which they will re-evaluate on an annual basis beginning 5 years after the closing date) or until all such liabilities of the acquired reinsurance business have run off. The reserve cover is considered contingent consideration and was recognized at fair value of $130 million when the sale closed. On September 4, 2023, AIG entered into an Adverse Development Cover Excess of Loss Agreement (the ADC Agreement) to hedge the risk of adverse development pertaining to Validus Re’s reserves with Clarendon National Insurance Company, a wholly owned subsidiary of Enstar Group Limited. Under the ADC Agreement, AIG will be reimbursed up to $400 million of adverse development for all policies in force as of December 31, 2022 when paid losses exceed the baseline reserve balance of $3.043 billion. The premium expensed in connection with the ADC Agreement was $80 million. Crop Risk Services On May 2, 2023, AIG announced that it reached an agreement to sell Crop Risk Services, Inc. (CRS) to American Financial Group, Inc. (AFG) and in substance, AIG exited the crop business. The gross proceeds, before deducting commissions, are $234 million. On July 3, 2023, the transaction closed, resulting in a pre-tax gain of $72 million for the year ended December 31, 2023. Separation of Life and Retirement Business and Relationship with Blackstone Inc. AIG owns 52.2 percent of the outstanding common stock of Corebridge as of December 31, 2023. Corebridge is the holding company for AIG’s Life and Retirement business. AIG continues to consolidate Corebridge in AIG’s Consolidated Financial Statements. The portion of equity interest of Corebridge that AIG does not own is reflected as noncontrolling interest in AIG’s Consolidated Financial Statements. In 2023, AIG closed on three secondary offerings and sold 159.75 million shares of Corebridge common stock. The aggregate gross proceeds of the offerings to AIG, before deducting underwriting discounts and commissions and other expenses payable by AIG, were approximately $2.9 billion. After consideration of underwriting discounts, commissions and other related expenses payable by AIG, AIG recorded an increase of $332 million in Total AIG shareholders' equity. In 2023, Corebridge repurchased 26.5 million shares of Corebridge common stock for an aggregate purchase price of $498 million, of which 17.2 million shares were from AIG for an aggregate purchase price of $315 million. As a result, AIG recorded a decrease of $40 million in Total AIG shareholders' equity. On September 19, 2022, AIG closed on the initial public offering (IPO) of 80 million shares of Corebridge common stock at a public offering price of $21.00 per share, representing 12.4 percent of Corebridge's common stock. The aggregate gross proceeds of the offering to AIG, before deducting underwriting discounts and commissions and other expenses payable by AIG, were approximately $1.7 billion. After consideration of underwriting discounts, commissions and other related expenses payable by AIG, AIG recorded an increase of $497 million in Total AIG shareholders' equity, recalculated on an LDTI basis. Blackstone Inc. (Blackstone) completed the acquisition of a 9.9 percent equity stake in Corebridge in November 2021. Blackstone is required to hold its ownership interest in Corebridge, subject to exceptions permitting Blackstone to sell 25 percent, 67 percent and 75 percent of its ownership interest after the first, second and third anniversaries, respectively, of the closing of the Corebridge IPO (September 19, 2023, 2024 and 2025, respectively), with the transfer restrictions terminating in full on September 19, 2027. On December 15, 2021, AIG and Blackstone Real Estate Income Trust (BREIT), a long-term, perpetual capital vehicle affiliated with Blackstone, completed the acquisition by BREIT of AIG’s interests in a U.S. affordable housing portfolio for $4.9 billion, in an all cash transaction, resulting in a pre-tax gain of $3.0 billion. The historical results of the U.S. affordable housing portfolio were reported in our Life and Retirement operating segments. Sale of Certain AIG Life and Retirement Retail Mutual Funds Business On July 16, 2021, AIG announced the closing of its sale of certain assets of Life and Retirement's Retail Mutual Funds business to Touchstone Investments (Touchstone), an indirect wholly-owned subsidiary of Western & Southern Financial Group. This sale consisted of the reorganization of twelve of the retail mutual funds managed by SunAmerica Asset Management, LLC (SAAMCo), a Life and Retirement entity, into certain Touchstone funds. We received initial proceeds, and the twelve retail mutual funds managed by SAAMCo, with $6.8 billion in assets, were reorganized into Touchstone funds. Additional consideration has been and may be earned over a three-year period based on asset levels in certain reorganized funds. Other Events On December 14, 2022, AIG announced that its wholly-owned subsidiary, AIG Financial Products Corp. (AIGFP), filed a voluntary petition to reorganize under Chapter 11 of Title 11 of the United States Code in the United States Bankruptcy Court for the District of Delaware and filed a proposed plan of reorganization. The reorganization will not have a material impact on the consolidated balance sheets of AIG or our respective businesses. AIGFP has no material operations or businesses and no employees. In conjunction with the bankruptcy filing, AIGFP and its consolidated subsidiaries were deconsolidated from the results of AIG, resulting in a pre-tax loss of $114 million for the twelve months ended December 31, 2022, reported in Net gain (loss) on divestitures and other. In addition, AIGFP and its subsidiaries were determined to be an unconsolidated variable interest entity. USE OF ESTIMATES The preparation of financial statements in accordance with U.S. GAAP requires the application of accounting policies that often involve a significant degree of judgment. Accounting policies that we believe are most dependent on the application of estimates and assumptions are considered our critical accounting estimates and are related to the determination of: •loss reserves; •valuation of future policy benefit liabilities and recognition of measurement gains and losses; •valuation of market risk benefits (MRBs) related to guaranteed benefit features of variable annuity, fixed annuity and fixed index annuity products; •valuation of embedded derivative liabilities for fixed index annuity and index universal life products; •reinsurance assets, including the allowance for credit losses and disputes; •goodwill impairment; •allowance for credit losses on certain investments, primarily on loans and available for sale fixed maturity securities; •fair value measurements of certain financial assets and financial liabilities; and •income taxes, in particular the recoverability of our deferred tax asset and establishment of provisions for uncertain tax positions. These accounting estimates require the use of assumptions about matters, some of which are highly uncertain at the time of estimation. To the extent actual experience differs from the assumptions used, our consolidated financial condition, results of operations and cash flows could be materially affected.

American International Group, Inc. (AIG) is a leading global insurance organization. AIG provides insurance solutions that help businesses and individuals in approximately 190 countries and jurisdictions protect their assets and manage risks through AIG operations and network partners. Unless the context indicates otherwise, the terms “AIG,” “we,” “us,” “our” or "the Company" mean American International Group, Inc. and its consolidated subsidiaries, and the term “AIG Parent” means American International Group, Inc. and not any of its consolidated subsidiaries.

The consolidated financial statements include the accounts of AIG Parent, our controlled subsidiaries (generally through a greater than 50 percent ownership of voting rights and voting interests), and variable interest entities (VIEs) of which we are the primary beneficiary. Equity investments in entities that we do not consolidate, including corporate entities in which we have significant influence and partnership and partnership-like entities in which we have more than minor influence over the operating and financial policies, are accounted for under the equity method unless we have elected the fair value option.

Prior to the fourth quarter ending December 31, 2022, certain of our foreign property and casualty subsidiaries reported on the basis of a fiscal year ending November 30. The effect on our consolidated financial condition and results of operations of all material events occurring at these subsidiaries from November 30 through December 31 of the periods previously presented in these Consolidated Financial Statements was considered for adjustment and/or disclosure.

Effective with the fourth quarter of the year ended December 31, 2022, the foreign property and casualty subsidiaries now report on a calendar year ending December 31. The elimination of a one-month reporting lag of a subsidiary is considered a change in accounting principle. We believe this change in accounting principle is preferable given that it aligns the reporting dates with other consolidated entities, which allows for a timelier and more consistent basis of reporting within our Consolidated Financial Statements. A change in accounting principle requires retrospective application. However, we determined that the effect of not retroactively applying this change was not material to our Consolidated Financial Statements for the current and prior periods. Therefore, we reported the cumulative effect of the change in accounting principle within the Consolidated Statements of Income (Loss) for the year ended December 31, 2022 and did not retrospectively apply the effects of this change to prior periods. The adoption impact was an increase to net income of $100 million for the year ended December 31, 2022.

We adopted the Financial Accounting Standards Board's (FASB) targeted improvements to the accounting for long-duration contracts (the standard or LDTI) on January 1, 2023 with a transition date of January 1, 2021 (Transition Date). In accordance with the transition guidance in the standard, we updated our prior period Consolidated Financial Statements presented herein to reflect LDTI. For additional detail, see Note 2.

The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP). All material intercompany accounts and transactions have been eliminated.

On September 25, 2023, Corebridge Financial, Inc. (Corebridge) announced that it entered into a definitive agreement to sell AIG Life Limited (AIG Life) to Aviva plc for £460 million in cash, subject to certain adjustments. The sale of AIG Life is expected to close in the first half of 2024, subject to regulatory approvals and other customary closing conditions. For further details on this transaction, see Note 4.

On November 1, 2023, AIG completed the sale of Validus Reinsurance, Ltd. (Validus Re), including AlphaCat Managers Ltd. and the Talbot Treaty reinsurance business, to RenaissanceRe Holdings Ltd. (RenaissanceRe) and received cash proceeds of $2.7 billion from RenaissanceRe and 1.3 million shares of RenaissanceRe common stock valued at $290 million as of the closing date, resulting in a pre-tax loss of $78 million. The results of Validus Re are reported in General Insurance.

Additionally, AIG agreed to retain 95 percent of the difference between (i) the reserves with respect to the business as of the closing date of the sale for losses occurring prior to the closing date and (ii) the associated reserve development following the closing date with respect to such losses. Any reserve development will be settled annually, commencing with the calendar year ending

December 31, 2024. This arrangement stays in effect until the parties determine to terminate such arrangement (which they will re-evaluate on an annual basis beginning 5 years after the closing date) or until all such liabilities of the acquired reinsurance business have run off. The reserve cover is considered contingent consideration and was recognized at fair value of $130 million when the sale closed.

On September 4, 2023, AIG entered into an Adverse Development Cover Excess of Loss Agreement (the ADC Agreement) to hedge the risk of adverse development pertaining to Validus Re’s reserves with Clarendon National Insurance Company, a wholly owned subsidiary of Enstar Group Limited. Under the ADC Agreement, AIG will be reimbursed up to $400 million of adverse development for all policies in force as of December 31, 2022 when paid losses exceed the baseline reserve balance of $3.043 billion. The premium expensed in connection with the ADC Agreement was $80 million.

On May 2, 2023, AIG announced that it reached an agreement to sell Crop Risk Services, Inc. (CRS) to American Financial Group, Inc. (AFG) and in substance, AIG exited the crop business. The gross proceeds, before deducting commissions, are $234 million. On July 3, 2023, the transaction closed, resulting in a pre-tax gain of $72 million for the year ended December 31, 2023.

AIG owns 52.2 percent of the outstanding common stock of Corebridge as of December 31, 2023. Corebridge is the holding company for AIG’s Life and Retirement business. AIG continues to consolidate Corebridge in AIG’s Consolidated Financial Statements. The portion of equity interest of Corebridge that AIG does not own is reflected as noncontrolling interest in AIG’s Consolidated Financial Statements.

In 2023, AIG closed on three secondary offerings and sold 159.75 million shares of Corebridge common stock. The aggregate gross proceeds of the offerings to AIG, before deducting underwriting discounts and commissions and other expenses payable by AIG, were approximately $2.9 billion. After consideration of underwriting discounts, commissions and other related expenses payable by AIG, AIG recorded an increase of $332 million in Total AIG shareholders' equity.

In 2023, Corebridge repurchased 26.5 million shares of Corebridge common stock for an aggregate purchase price of $498 million, of which 17.2 million shares were from AIG for an aggregate purchase price of $315 million. As a result, AIG recorded a decrease of $40 million in Total AIG shareholders' equity.

On September 19, 2022, AIG closed on the initial public offering (IPO) of 80 million shares of Corebridge common stock at a public offering price of $21.00 per share, representing 12.4 percent of Corebridge's common stock. The aggregate gross proceeds of the offering to AIG, before deducting underwriting discounts and commissions and other expenses payable by AIG, were approximately $1.7 billion. After consideration of underwriting discounts, commissions and other related expenses payable by AIG, AIG recorded an increase of $497 million in Total AIG shareholders' equity, recalculated on an LDTI basis.

Blackstone Inc. (Blackstone) completed the acquisition of a 9.9 percent equity stake in Corebridge in November 2021. Blackstone is required to hold its ownership interest in Corebridge, subject to exceptions permitting Blackstone to sell 25 percent, 67 percent and 75 percent of its ownership interest after the first, second and third anniversaries, respectively, of the closing of the Corebridge IPO (September 19, 2023, 2024 and 2025, respectively), with the transfer restrictions terminating in full on September 19, 2027.

On December 15, 2021, AIG and Blackstone Real Estate Income Trust (BREIT), a long-term, perpetual capital vehicle affiliated with Blackstone, completed the acquisition by BREIT of AIG’s interests in a U.S. affordable housing portfolio for $4.9 billion, in an all cash transaction, resulting in a pre-tax gain of $3.0 billion. The historical results of the U.S. affordable housing portfolio were reported in our Life and Retirement operating segments.

On July 16, 2021, AIG announced the closing of its sale of certain assets of Life and Retirement's Retail Mutual Funds business to Touchstone Investments (Touchstone), an indirect wholly-owned subsidiary of Western & Southern Financial Group. This sale consisted of the reorganization of twelve of the retail mutual funds managed by SunAmerica Asset Management, LLC (SAAMCo), a Life and Retirement entity, into certain Touchstone funds. We received initial proceeds, and the twelve retail mutual funds managed by SAAMCo, with $6.8 billion in assets, were reorganized into Touchstone funds. Additional consideration has been and may be earned over a three-year period based on asset levels in certain reorganized funds.

On December 14, 2022, AIG announced that its wholly-owned subsidiary, AIG Financial Products Corp. (AIGFP), filed a voluntary petition to reorganize under Chapter 11 of Title 11 of the United States Code in the United States Bankruptcy Court for the District of Delaware and filed a proposed plan of reorganization. The reorganization will not have a material impact on the consolidated balance sheets of AIG or our respective businesses. AIGFP has no material operations or businesses and no employees. In conjunction with the bankruptcy filing, AIGFP and its consolidated subsidiaries were deconsolidated from the results of AIG, resulting in a pre-tax loss

The preparation of financial statements in accordance with U.S. GAAP requires the application of accounting policies that often involve a significant degree of judgment. Accounting policies that we believe are most dependent on the application of estimates and assumptions are considered our critical accounting estimates and are related to the determination of:

These accounting estimates require the use of assumptions about matters, some of which are highly uncertain at the time of estimation. To the extent actual experience differs from the assumptions used, our consolidated financial condition, results of operations and cash flows could be materially affected.