Derivative Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Parenthetical) (Detail) - Not Designated as Hedging Instrument - Foreign Exchange Swaps - Fair Value, Measurements, Recurring - Less Than Six Months - USD ($) $ in Millions	Mar. 31, 2022	Mar. 31, 2021
Derivatives, Fair Value [Line Items]
Derivative notional volume, amount after offsetting swaps	$ 1,228	$ 1,326
Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, amount after offsetting swaps	10	5
Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, amount after offsetting swaps	$ 9	$ 16