Costs Associated with Rationalization Programs - Schedule of Net Rationalization Charges Included in Income (Loss) Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 159	$ 205	$ 44
Asset write-off and accelerated depreciation charges	105	15	4
Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	102	199	40
Current Year Plans | Associate severance and other related costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	77	183	40
Current Year Plans | Benefit plan curtailment and special termination benefits
Restructuring Cost and Reserve [Line Items]
Rationalizations	9	5
Current Year Plans | Other exit and non-cancelable lease costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	16	11
Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	57	6	4
Prior Year Plans | Associate severance and other related costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	50	(2)	(11)
Prior Year Plans | Benefit plan curtailment and special termination benefits
Restructuring Cost and Reserve [Line Items]
Rationalizations	(4)		(1)
Prior Year Plans | Other exit and non-cancelable lease costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 11	$ 8	$ 16