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, $ in Millions	Dec. 31, 2024 EUR (€) kt	Dec. 31, 2024 NOK (kr) kt	Dec. 31, 2024 BRL (R$) kt	Dec. 31, 2024 AUD ($) kt	Dec. 31, 2024 CAD ($) kt	Dec. 31, 2023 EUR (€) kt	Dec. 31, 2023 NOK (kr) kt	Dec. 31, 2023 BRL (R$) kt	Dec. 31, 2023 CAD ($) kt
Commodity Buy Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding quantities of derivative instruments	145	145	145	145	145	78	78	78	78
Commodity Sell Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding quantities of derivative instruments	108	108	108	108	108	46	46	46	46
Foreign Exchange Buy Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liability	€ 152	kr 54	R$ 280	$ 43	$ 5	€ 48	kr 138	R$ 467	$ 31
Foreign Exchange Sell Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liability | €	€ 13					€ 9