Commitments and Contingent Liabilities - Narrative (Details) € in Millions, zł in Millions, claim in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) employee claim	Mar. 31, 2020 EUR (€) claim	Dec. 31, 2019 USD ($)	Dec. 31, 2019 PLN (zł)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 PLN (zł)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Liability for anticipated environmental matters	$ 48		$ 48
Liability for anticipated environment matters, current	12		13
Workers' compensation liability	198		198
Workers' compensation liability, current	40		39
Off-balance sheet financial guarantees and other commitments	70		74
Accounts receivable
Loss Contingencies [Line Items]
Indemnification asset	3
Other Assets
Loss Contingencies [Line Items]
Indemnification asset	22
Workers' Compensation
Loss Contingencies [Line Items]
Potential workers' compensation liability in excess of recorded amount	25
General Product Liability
Loss Contingencies [Line Items]
Product liability and other tort claims liability	303		293
General Product Liability | Other Current Liabilities
Loss Contingencies [Line Items]
Product liability and other tort claims liability	43		43
Asbestos Related Product Liability
Loss Contingencies [Line Items]
Product liability and other tort claims liability	$ 154		153
Asbestos claims dismissed to date (in claims) | claim	152,900	152,900
Accrued asbestos-related liability and gross payments to date	$ 557		554
Product liability contingency, evaluation period	10 years
Asbestos claims receivable	$ 95		95
Expected percentage of asbestos claim related losses recoverable through insurance	60.00%	60.00%
Asbestos claims receivable, current	$ 13		13
Limits of excess insurance policies			555
Amiens Labor Claims
Loss Contingencies [Line Items]
Loss contingency, number of plaintiffs | employee	850
Contingent loss	$ 154	€ 140
Unfavorable Regulatory Action
Loss Contingencies [Line Items]
Guarantee issued			$ 44	zł 181	$ 40	zł 165
Workers' Compensation Claims
Loss Contingencies [Line Items]
Guarantee issued	$ 26						$ 46