v3.25.4

Business Segments and Geographic Areas - Revenues by Country Based on Sales Destination of Products or Service (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 8,744	$ 8,870	$ 8,583
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	2,998	2,984	2,933
Norway [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	907	714	473
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	896	618	605
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 3,943	$ 4,554	$ 4,572

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