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Financial Instruments and Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2020 | Mar. 31, 2022
Cost of Sales |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Asset impairment charge | $ 54 | $ 34 | $ 54
Minimum |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Maturity period of short-term investments at the time of purchase |  |  | 3 months
Maximum |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Maturity period of short-term investments at the time of purchase |  |  | 1 year

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