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Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Schedule of Cash and Cash Equivalents | The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
| September 30,
| 2025 |  | 2024
| (In millions)
Cash and cash equivalents | $ | 4,221 |  |  | $ | 4,732 |
Restricted cash and cash equivalents | 103 |  |  | 147 |
Total cash, cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows | $ | 4,324 |  |  | $ | 4,879 |
Schedule of Restricted Cash and Cash Equivalents | The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
| September 30,
| 2025 |  | 2024
| (In millions)
Cash and cash equivalents | $ | 4,221 |  |  | $ | 4,732 |
Restricted cash and cash equivalents | 103 |  |  | 147 |
Total cash, cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows | $ | 4,324 |  |  | $ | 4,879 |

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