Derivatives and Other Financial Instruments - Schedule of Outstanding Quantities of Derivative Instruments (Detail) - Level 1 [Member] kt in Thousands, € in Millions, kr in Millions, R$ in Millions, $ in Millions	Mar. 31, 2024 EUR (€) kt	Mar. 31, 2024 NOK (kr) kt	Mar. 31, 2024 BRL (R$) kt	Mar. 31, 2024 CAD ($) kt	Mar. 31, 2023 EUR (€) kt	Mar. 31, 2023 NOK (kr) kt	Mar. 31, 2023 BRL (R$) kt
Foreign Exchange Buy Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	€ 79	kr 102	R$ 450	$ 26	€ 55	kr 256	R$ 1,047
Foreign Exchange Sell Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities | €	€ 17
Commodity Sell Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding quantities of derivative instruments	44	44	44	44	398	398	398
Commodity Buy Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding quantities of derivative instruments	101	101	101	101	316	316	316