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Commitments and Contingent Liabilities (Additional Information) (Details) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) Location | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) Location | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) | Mar. 31, 2010 Location
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  | $ 25 |  |  |
Reserves for environmental contingencies | $ 291 |  | 291 |  | $ 304 |
Reserves for environmental contingencies classified as current liabilities | 85 |  | 85 |  | 62 |
Environmental remediation charge | 4 | $ 35 | 15 | $ 51 |  |
Payments for Environmental Liabilities | 12 | 20 | 37 | 36 |  |
Environmental remediation charges | 4 | $ 30 | 12 | $ 40 |  |
Outstanding letters of credit | 134 |  | 134 |  |  |
Guarantees | 9 |  | 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 | 108 |  | 108 |  | 134 |
Legacy Glass and Chemical Sites [Member] |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |
Reserves for environmental contingencies | 99 |  | 99 |  | 96 |
Other Environmental Contingencies [Member] |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |
Reserves for environmental contingencies | $ 84 |  | $ 84 |  | $ 74 |
Judicial Consent Order [Member] |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |
Total number of sites to be remediated | Location | 19 |  | 19 |  |  | 20
Excavation of Soil [Member] |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |
Percentage of the total remaining reserve | 18.00% |  | 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% |  | 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 | 34.00% |  | 34.00% |  |  |

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