Commitments and Contingent Liabilities - Narrative (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) employee claim	Dec. 31, 2017 EUR (€) claim	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Oct. 01, 2015 USD ($)
Loss Contingencies [Line Items]
Liability for anticipated environmental matters	$ 46		$ 55
Liability for anticipated environment matters, current	10		21
Workers' compensation liability	243		248
Workers' compensation liability, current	45		48
Indemnification asset	35				$ 32
Commitments on contracts that extend beyond one year	2,500
Off-balance sheet financial guarantees and other commitments	82		40
Warranty reserve	17		19	$ 17
Workers' Compensation
Loss Contingencies [Line Items]
Potential workers' compensation liability in excess of recorded amount	30
General Product Liability
Loss Contingencies [Line Items]
Product liability and other tort claims liability	316		316
Asbestos Related Product Liability
Loss Contingencies [Line Items]
Product liability and other tort claims liability	$ 167		171
Asbestos claims dismissed to date (in claims) | claim	134,700	134,700
Accrued asbestos-related liability and gross payments to date	$ 529		517
Product liability contingency, evaluation period	10 years
Asbestos claims receivable	$ 113		123
Expected percentage of asbestos claim related losses recoverable through insurance	70.00%	70.00%
Asbestos claims receivable, current	$ 15		12
Limits of excess insurance policies	$ 440
Amiens Labor Claims
Loss Contingencies [Line Items]
Loss contingency, number of plaintiffs | employee	840
Contingent loss	$ 142	€ 118
Unfavorable Regulatory Action
Loss Contingencies [Line Items]
Guarantee issued	47
Workers' Compensation Claims
Loss Contingencies [Line Items]
Guarantee issued	33			$ 46
Other Current Liabilities | General Product Liability
Loss Contingencies [Line Items]
Product liability and other tort claims liability	55		$ 49
Accounts Receivable
Loss Contingencies [Line Items]
Indemnification asset	5
Other Assets
Loss Contingencies [Line Items]
Indemnification asset	$ 30