Costs Associated with Rationalization Programs - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) employee	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 213	$ 219	$ 103	$ 119
Rationalizations	135	210	114
Rationalization reversals	13	9	1
Rationalization charges to date	730
Future rationalization charges expected	$ 35
Expected number of position to be released (in employees) | employee	700
Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 83	189	73
Expected number of position to be released (in employees) | employee	600
Number of associates released (in employees) | employee	200
Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 52	21	41
Number of associates released (in employees) | employee	1,300
Amiens Labor Claims
Restructuring Cost and Reserve [Line Items]
Loss contingency, number of plaintiffs | employee	840
Philippsburg Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 90
Philippsburg Restructuring | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		116
Philippsburg Restructuring | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	35
Europe, Middle East, and Africa Restructuring Plan - Indirect Manufacturing Functions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	53
Europe, Middle East, and Africa Restructuring Plan - Indirect Manufacturing Functions [Member] | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	30
Reduce SAG Headcount
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	29
Reduce SAG Headcount | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	25	34
Reduce SAG Headcount | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	7
EMEA - Manufacturing Employee Severance | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		25
EMEA - Manufacturing Employee Severance | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	8
EMEA - Selling, Administrative, and General Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	13
EMEA - Selling, Administrative, and General Employee Severance | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	20
Europe, Middle East, and Africa Restructuring Plan - Operating Efficiency [Member] | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 8
Amiens Restructuring Plan | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		$ 12	33
Wolverhampton Restructuring Plan | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations			$ 38