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v3.25.1

Debt Investments (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items] |  |  |
Proceeds from sales of available-for-sale securities | $ 154 | $ 721 |
Gross realized gains | 2 | 9 |
Available-for-sale Securities, Gross Realized Losses | (1) | (5) |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost | 110 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value | 100 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost | 1,188 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value | 1,094 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost | 426 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value | 412 |  |
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost | 524 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value | 425 |  |
Debt Securities, Available-for-sale, Amortized Cost | 2,248 |  |
Debt Securities, Available-for-sale | 2,031 |  |
Equity Securities, Net Unrealized Gain (Loss) | 3 | $ 0 |
Equity Securities, FV-NI, Current | 11 |  | $ 14
Equity Securities without Readily Determinable Fair Value, Amount | $ 149 |  | $ 153

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