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Segment Information - Reconciliation of Operating Income of Segments to Total Operating Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 1,323	$ 1,203	$ 1,400
Impairment, restructuring charges and other related closure costs	(11)	(5)	(21)
Gain on sale of non-current assets	14	7	8
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	1,496	1,307	1,466
Segment Reconciling Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	(173)	(104)	(66)
Impairment, restructuring charges and other related closure costs	(11)	(5)	(21)
Unused capacity charges	(153)	(65)	(1)
Other unallocated manufacturing results	(8)	(25)	2
Gain on sale of non-current assets	11	6	1
Strategic and other research and development programs and other non-allocated provisions	$ (12)	$ (15)	$ (47)

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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