Segment and Related Information - Schedule of Geographic Information for Long-Lived Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 6,785	$ 6,493
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	2,046	1,944
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,550	1,298
Iceland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	950	1,002
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	896	919
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	780	830
Norway [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	310	304
Spain [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	250	194
Other Geographical Regions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 3	$ 2