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Derivative Instruments And Hedging Activities - Summary of Notional Amounts of Outstanding Foreign Exchange Forwards (Detail) - Not Designated as Accounting Hedges € in Millions, ₨ in Millions, ¥ in Millions, £ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions | Sep. 30, 2024 USD ($) | Sep. 30, 2024 EUR (€) | Sep. 30, 2024 GBP (£) | Sep. 30, 2024 JPY (¥) | Sep. 30, 2024 CAD ($) | Sep. 30, 2024 SGD ($) | Sep. 30, 2024 INR (₨) | Sep. 30, 2024 AUD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 EUR (€) | Dec. 31, 2023 GBP (£) | Dec. 31, 2023 JPY (¥) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 SGD ($) | Dec. 31, 2023 INR (₨) | Dec. 31, 2023 AUD ($)
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Contracts to sell USD for GBP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | $ 567 |  | £ 435 |  |  |  |  |  | $ 513 |  | £ 407 |  |  |  |  |
Contracts to sell USD for JPY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 29 |  |  | ¥ 4,000 |  |  |  |  | 14 |  |  | ¥ 2,000 |  |  |  |
Contracts to sell USD for CAD |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 52 |  |  |  | $ 70 |  |  |  | 147 |  |  |  | $ 200 |  |  |
Contracts to sell USD for SGD |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 69 |  |  |  |  | $ 90 |  |  | 50 |  |  |  |  | $ 67 |  |
Contracts to sell USD for EUR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 0 | € 0 |  |  |  |  |  |  | 60 | € 55 |  |  |  |  |  |
Contracts to sell USD for INR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 23 |  |  |  |  |  | ₨ 1,900 |  | 23 |  |  |  |  |  | ₨ 1,900 |
Contracts to sell EUR for USD |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 17 | € 15 |  |  |  |  |  |  | 0 | € 0 |  |  |  |  |  |
Contracts to sell USD for AUD |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 0 |  |  |  |  |  |  | $ 0 | 5 |  |  |  |  |  |  | $ 8
Contracts to sell CAD for USD |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | $ 0 |  |  |  | $ 0 |  |  |  | $ 19 |  |  |  | $ 25 |  |  |

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