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Short-Term Deposits and Marketable Securities - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable Recorded Investment [Line Items] |  |  |
Short-term deposits | $ 1,226 | $ 581 |
Marketable securities | 1,635 | 679 | $ 0
Marketable securities, principal amount transferred to short-term securities lending transactions | 750 |  |
Fair Value |  | $ 679 |
Debt securities unrealized gain | 4 |  |
Unrealized gain |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Fair Value | 1,049 |  |
U.S. Treasury Bonds |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Marketable securities | $ 1,653 |  |
Weighted average maturity period | 1 year 7 months 6 days |  |
Aggregate amortized cost basis of securities | $ 1,645 |  |

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