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v3.25.1

Business segment data - Reconciliations of Revenues and Earnings before income taxes (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Revenues | $ 89,725 | $ 89,869
Investment gains (losses) | (6,435) | 1,876
Equity method investments | 126 | 493
Earnings before income taxes | 5,148 | 15,706
Operating Businesses [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 88,959 | 89,785
Earnings before income taxes | 11,615 | 12,486
Segment Reconciling Items [Member] |  |
Segment Reporting Information [Line Items] |  |
Investment gains (losses) | (6,435) | 1,876
Equity method investments | 126 | 493
Corporate, Eliminations and Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 766 | 84
Earnings before income taxes from operating businesses | $ (158) | $ 851

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