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Short-Term Deposits and Marketable Securities - Debt Securities in an Unrealized Loss Position (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Less than 12 months |  |
Unrealized Losses | $ (12) |
More than 12 months |  |
Unrealized Losses | (1) |
Total |  |
Fair Value |  | $ 679
Unrealized Losses | (13) |
Unrealized loss |  |
Less than 12 months |  |
Fair Value | 429 |
More than 12 months |  |
Fair Value | 157 |
Total |  |
Fair Value | 586 |
Unrealized gain |  |
Total |  |
Fair Value | 1,049 |
U.S. Treasury Bonds |  |
Less than 12 months |  |
Unrealized Losses | (12) |
More than 12 months |  |
Unrealized Losses | (1) |
Total |  |
Unrealized Losses | (13) |
U.S. Treasury Bonds | Unrealized loss |  |
Less than 12 months |  |
Fair Value | 429 |
More than 12 months |  |
Fair Value | 157 |
Total |  |
Fair Value | $ 586 |

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