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v3.20.4

Casualty, Environmental and Other Reserves - Narrative (Details) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) claim site | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Reserves | $ 314 | $ 305 | $ 324 | $ 374
Casualty Reserves |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Reserves | $ 196 | 187 | 199 | 228
Individual claims expected to exceed self-insured retention amount | claim | 0 |  |  |
Casualty Reserves | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Self-insured retention amount per injury | $ 75 |  |  |
Personal Injury |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Reserves | 131 | 129 |  |
Environmental |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Reserves | $ 76 | 74 | 80 | 90
Environmental impaired sites | site | 220 |  |  |
Other |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Reserves | $ 42 | $ 44 | $ 45 | $ 56

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- Definition Total number of claims expected to exceed self-insured retention amount, as of the balance sheet date. + References No definition available. + Details
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- Definition Number of environmentally impaired sites at which the Company has been identified as a potentially responsible party. + References No definition available. + Details
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- Definition Self insured retention amount for casualty and catastrophic property programs. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Details
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- Details
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- Details
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