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v3.25.1

Segment Information - Reconciliation of Net Income (Loss) Attributable to AGL to Segment Adjusted Operating Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Revenues | $ 345 | $ 245
Expenses | 169 | 125
Equity in Earnings (Losses) of Investees | 53 | 24
Less: Provision (benefit) for income taxes | 44 | 31
Less: Noncontrolling interests | 9 | 4
Net Income (Loss) Attributable to AGL | 176 | 109
Realized gains (losses) on investments |  |
Segment Reporting Information [Line Items] |  |
Revenues | (16) | 8
Net Income (Loss) Attributable to AGL | (16) | 8
Non-credit impairment-related unrealized fair value gains (losses) on credit derivatives |  |
Segment Reporting Information [Line Items] |  |
Revenues | 61 | 8
Net Income (Loss) Attributable to AGL | (2) | 10
Fair value gains (losses) on CCS |  |
Segment Reporting Information [Line Items] |  |
Revenues | 2 | (10)
Net Income (Loss) Attributable to AGL | 2 | (10)
Foreign exchange gains (losses) on remeasurement of premiums receivable and loss and LAE reserves |  |
Segment Reporting Information [Line Items] |  |
Revenues | 33 | (12)
Net Income (Loss) Attributable to AGL | 33 | (12)
Tax effect |  |
Segment Reporting Information [Line Items] |  |
Less: Provision (benefit) for income taxes | 3 |
Net Income (Loss) Attributable to AGL | (3) | 0
Subtotal |  |
Segment Reporting Information [Line Items] |  |
Revenues |  | 251
Expenses |  | 127
Equity in Earnings (Losses) of Investees |  | 24
Less: Provision (benefit) for income taxes |  | 31
Less: Noncontrolling interests |  | 4
Net Income (Loss) Attributable to AGL |  | 113
Subtotal |  |
Segment Reporting Information [Line Items] |  |
Revenues | 265 |
Expenses | 106 |
Equity in Earnings (Losses) of Investees | 53 |
Less: Provision (benefit) for income taxes | 41 |
Less: Noncontrolling interests | 9 |
Net Income (Loss) Attributable to AGL | 162 |
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 245 | 230
Expenses | 68 | 85
Equity in Earnings (Losses) of Investees | 43 | 41
Less: Provision (benefit) for income taxes | 40 | 36
Less: Noncontrolling interests | 0 | 0
Net Income (Loss) Attributable to AGL | 180 | 150
Operating Segments | Insurance |  |
Segment Reporting Information [Line Items] |  |
Revenues | 239 | 229
Expenses | 64 | 85
Equity in Earnings (Losses) of Investees | 30 | 40
Less: Provision (benefit) for income taxes | 37 | 35
Less: Noncontrolling interests | 0 | 0
Net Income (Loss) Attributable to AGL | 168 | 149
Operating Segments | Asset Management |  |
Segment Reporting Information [Line Items] |  |
Revenues | 6 | 1
Expenses | 4 | 0
Equity in Earnings (Losses) of Investees | 13 | 1
Less: Provision (benefit) for income taxes | 3 | 1
Less: Noncontrolling interests | 0 | 0
Net Income (Loss) Attributable to AGL | 12 | 1
Corporate division |  |
Segment Reporting Information [Line Items] |  |
Revenues | 4 | 5
Expenses | 40 | 47
Equity in Earnings (Losses) of Investees | 16 | 0
Less: Provision (benefit) for income taxes | 0 | (5)
Less: Noncontrolling interests | 0 | 0
Net Income (Loss) Attributable to AGL | (20) | (37)
Reconciling items: |  |
Segment Reporting Information [Line Items] |  |
Expenses | 63 | (2)
Intersegment Eliminations |  |
Segment Reporting Information [Line Items] |  |
Revenues | 16 | 16
Expenses | (2) | (5)
Equity in Earnings (Losses) of Investees | (6) | (17)
Less: Provision (benefit) for income taxes | 1 | 0
Less: Noncontrolling interests | 9 | 4
Net Income (Loss) Attributable to AGL | 2 | 0
Intersegment Eliminations | Insurance |  |
Segment Reporting Information [Line Items] |  |
Revenues | 2 | 2
Intersegment Eliminations | Asset Management |  |
Segment Reporting Information [Line Items] |  |
Revenues | $ 1 | $ 0

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