Segment Information - Revenue by Geographic Area (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Revenue		$ 8,490	$ 8,707
Operating Segments
Segment Reporting Information [Line Items]
Revenue		8,490	8,707
Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue		1,719	1,598
Operating Segments | Latin America
Segment Reporting Information [Line Items]
Revenue		1,495	1,654
Operating Segments | Europe & Africa
Segment Reporting Information [Line Items]
Revenue	[1]	2,235	2,322
Operating Segments | Middle East & Asia
Segment Reporting Information [Line Items]
Revenue		2,997	3,080
Operating Segments | Other
Segment Reporting Information [Line Items]
Revenue		$ 44	$ 53

[1] Includes Russia and the Caspian region.