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	Dec. 31, 2023 EUR (€) kt	Dec. 31, 2023 NOK (kr) kt	Dec. 31, 2023 BRL (R$) kt	Dec. 31, 2023 CAD ($) kt	Dec. 31, 2022 EUR (€) kt	Dec. 31, 2022 NOK (kr) kt	Dec. 31, 2022 BRL (R$) kt
Commodity Buy Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding quantities of derivative instruments	78	78	78	78	176	176	176
Commodity Sell Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding quantities of derivative instruments	46	46	46	46	337	337	337
Foreign Exchange Buy Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	€ 48	kr 138	R$ 467	$ 31	€ 60	kr 302	R$ 1,008
Foreign Exchange Sell Forwards [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	€ 9						R$ 7