Costs Associated with Rationalization Programs - Net Rationalization Charges Included in Income Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 29	$ 11
Asset Write-off and Accelerated Depreciation Charges	8	2
Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	23	0
Current Year Plans | Associate Severance and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	23	0
Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	6	11
Prior Year Plans | Associate Severance and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	0	4
Prior Year Plans | Other Exit and Non-Cancelable Lease Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 6	$ 7