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Investments (Tables) | 3 Months Ended
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Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Pre-tax Gains and Losses for Marketable Securities | Pre-tax gains for marketable securities are summarized below:
| Three Months Ended March 31, 2023
| (in millions)
Unrealized gain on marketable securities held as of the end of the period | $ | 787 |
Dividend income and other | 9 |
Total gain on marketable securities | $ | 796 |

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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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