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Investments (Tables) | 9 Months Ended
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Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract] |
Pre-tax (Losses)/Gains for Marketable Securities | Pre-tax (losses)/gains for marketable securities are summarized below:
| Three Months Ended September 30, 2023 |  | Nine Months Ended September 30, 2023
| (in millions)
Gain on marketable securities sold during the period | $ | — |  |  | $ | 593 |
Dividend income and other | (1) |  |  | 13 |
Total (loss)/gain on marketable securities | $ | (1) |  |  | $ | 606 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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