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Commitments and Contingent Liabilities (Additional Information) (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Jun. 30, 2011 Location | Jun. 30, 2009 Location
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Reserves for environmental contingencies | $ 301 |  |  |  | $ 301 |  | $ 300 |  |
Reserves for environmental contingencies classified as current liabilities | 96 |  |  |  | 96 |  | 99 |  |
Environmental remediation charge | 5 |  |  | $ 6 | 36 | $ 21 |  |  |
Payments for Environmental Liabilities | 17 |  |  | 15 | 34 | 52 |  |  |
Environmental remediation charges | 0 | $ 10 | $ 16 | $ 0 | 26 | $ 12 |  |  |
Outstanding letters of credit | 174 |  |  |  | 174 |  |  |  |
Guarantees | 4 |  |  |  | 4 |  |  |  |
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 | 94 |  |  |  | 94 |  | 102 |  |
Legacy Glass and Chemical Sites [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Reserves for environmental contingencies | 111 |  |  |  | 111 |  | 106 |  |
Other Environmental Contingencies [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Reserves for environmental contingencies | $ 96 |  |  |  | $ 96 |  | $ 92 |  |
Judicial Consent Order [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Total number of sites to be remediated | Location |  |  |  |  |  |  |  | 20 | 19
Excavation of Soil [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of the total remaining reserve | 14.00% |  |  |  | 14.00% |  |  |  |
Soil Treatment, Transportation And Disposal Of Excavated Soil [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of the total remaining reserve | 6.00% |  |  |  | 6.00% |  |  |  |
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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