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Segment Information - Revenue by Geographic Area (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenue	$ 22,929	$ 23,601	$ 32,917
Operating Segments
Segment Reporting Information [Line Items]
Revenue	22,929	23,601	32,917
Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	4,466	5,478	10,446
Operating Segments | Latin America
Segment Reporting Information [Line Items]
Revenue	4,459	3,472	4,544
Operating Segments | Europe/CIS/Africa
Segment Reporting Information [Line Items]
Revenue	5,778	5,963	7,682
Operating Segments | Middle East & Asia
Segment Reporting Information [Line Items]
Revenue	8,059	8,567	10,016
Eliminations & other
Segment Reporting Information [Line Items]
Revenue	$ 167	$ 121	$ 229

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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