Other (Income)/Deductions - Net Other (Income)/Deductions - Net (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019		Dec. 31, 2018
Other Income and Expenses [Abstract]
Royalty-related income		$ 12	$ 16		$ 28
Interest income		(12)	(37)		(31)
Identifiable intangible asset impairment charges		26	0		0
Net gain on sale of assets		(19)	(20)	[1]	(40)	[1]
Impairment of an equity investment		4	0		0
Other asset impairment charges		4	0		0
Foreign currency loss	[2]	21	16		31
Other, net	[3]	5	0		(15)
Other (income)/deductions—net		$ 17	$ (57)		$ (83)

[1] For 2018, represents a gain on the divestiture of certain agribusiness products within our International segment, and a net loss related to sales of certain manufacturing sites and products as part of our supply network strategy initiative.     

[2] Primarily driven by costs related to hedging and exposures to certain emerging market currencies.

[3] For 2018, primarily includes a net gain related to the relocation of a manufacturing site in China.