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v3.23.3

Debt Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Proceeds from sales of available-for-sale securities |  |  | $ 397 | $ 449 |
Gross realized gains |  |  | 59 | 40 |
Available-for-sale Securities, Gross Realized Losses |  |  | (18) | (42) |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost | $ 63 |  | 63 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value | 59 |  | 59 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost | 1,117 |  | 1,117 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value | 1,032 |  | 1,032 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost | 509 |  | 509 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value | 437 |  | 437 |  |
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost | 513 |  | 513 |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value | 386 |  | 386 |  |
Debt Securities, Available-for-sale, Amortized Cost | 2,202 |  | 2,202 |  |
Debt Securities, Available-for-sale | 1,914 |  | 1,914 |  |
Equity Securities, Net Unrealized Gain (Loss) | (4) | $ (2) | 6 | $ (8) |
Equity Securities, FV-NI, Current | 15 |  | 15 |  | $ 10
Equity Securities without Readily Determinable Fair Value, Amount | $ 177 |  | $ 177 |  | $ 186

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