Commitments and Contingent Liabilities (Additional Information) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) Location	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2009 Location
Commitments and Contingencies Disclosure [Line Items]
Litigation Settlement, Amount Awarded to Other Party	$ 25
Reserves for environmental contingencies	299		$ 304
Reserves for environmental contingencies classified as current liabilities	71		62
Environmental remediation charge	11	$ 16
Payments for Environmental Liabilities	25	16
Environmental remediation charges	8	$ 10
Outstanding letters of credit	134
Guarantees	9
Minimum [Member]
Commitments and Contingencies Disclosure [Line Items]
Unreserved loss contingencies related to environmental matters	100
Maximum [Member]
Commitments and Contingencies Disclosure [Line Items]
Unreserved loss contingencies related to environmental matters	200
Jersey City Manufacturing Plant [Member]
Commitments and Contingencies Disclosure [Line Items]
Reserves for environmental contingencies	116		134
Legacy Glass and Chemical Sites [Member]
Commitments and Contingencies Disclosure [Line Items]
Reserves for environmental contingencies	100		96
Other Environmental Contingencies [Member]
Commitments and Contingencies Disclosure [Line Items]
Reserves for environmental contingencies	$ 83		$ 74
Judicial Consent Order [Member]
Commitments and Contingencies Disclosure [Line Items]
Total number of sites to be remediated | Location	19			20
Excavation of Soil [Member]
Commitments and Contingencies Disclosure [Line Items]
Percentage of the total remaining reserve	18.00%
Soil Treatment, Transportation And Disposal Of Excavated Soil [Member]
Commitments and Contingencies Disclosure [Line Items]
Percentage of the total remaining reserve	14.00%
Construction Services (Related To Soil Excavation, Groundwater Management And Site Security) [Member]
Commitments and Contingencies Disclosure [Line Items]
Percentage of the total remaining reserve	33.00%