Segment and Related Information - Schedule of Geographic Information for Long-Lived Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 6,493	$ 6,623
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,944	2,091
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,298	1,118
Iceland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,002	1,048
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	919	958
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	830	874
Norway [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	304	338
Spain [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	194	193
Other Geographical Regions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 2	$ 3