Derivative and Other Financial Instruments - Fair Value Hedges and Contracts Not Designated as Hedges (Details) - Derivatives not designated as hedges - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative [Line Items]
Gain (loss) on derivative instruments, net, pretax	$ 12	$ (15)	$ 19	$ (25)
Net sales | Foreign exchange
Derivative [Line Items]
Gain (loss) on derivative instruments, net, pretax	0	(2)	0	(3)
Cost of products sold | Foreign exchange
Derivative [Line Items]
Gain (loss) on derivative instruments, net, pretax	(1)	1	0	3
Foreign exchange | Foreign exchange
Derivative [Line Items]
Gain (loss) on derivative instruments, net, pretax	$ 13	$ (14)	$ 19	$ (25)