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Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2023
Interest Rate Swap |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Outstanding hedge contracts |  |  | $ 500
Deferred (losses) gains on derivative financial instruments |  |  | $ 1
Unrealized pre-tax (losses) gains on derivative financial instruments | $ (1) | $ (2) |
Foreign Exchange Contract | Other Income (Expense) |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Unrealized foreign exchange forward contract gain (loss) | (6) | (7) |
Realized foreign exchange forward contract gain (loss) |  | $ (1) |
Sale |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Outstanding hedge contracts | 366 |  |
Purchase |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Outstanding hedge contracts | $ 219 |  |

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