Discontinued Operations and Divestitures - Summary of Amounts Included in Discontinued Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Discontinued Operations and Disposal Groups [Abstract]
Net sales		$ 368	$ 2,879
Cost of products sold		266	1,798
Gross profit		102	1,081
Selling, general and administrative expenses		48	624
Restructuring costs, net		0	3
Impairment of goodwill, intangibles and other assets		112	1,464
Operating loss		(58)	(1,010)
Non-operating income, net		10	830
Loss before income taxes		(48)	(180)
Income tax provision		31	129
Net loss	$ 0	(79)	(309)
Amount reclassified from cost of product sold to net sales			13
Gain on sale of discontinued operations		$ 7	$ 831