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v3.23.1

Casualty, Environmental and Other Reserves - Narrative (Details) |  | 3 Months Ended |
--- | --- | --- | ---
Jun. 01, 2021 USD ($) | Mar. 31, 2023 USD ($) site claim | Dec. 31, 2022 USD ($)
All Contingencies Reserves [Line Items] |  |  |
Total reserves |  | $ 438,000,000 | $ 436,000,000
Casualty |  |  |
All Contingencies Reserves [Line Items] |  |  |
Total reserves |  | 193,000,000 | 194,000,000
Self-insured retention amount, per occurrence | $ 100,000,000 | $ 100,000,000 |
Number of individual claims expected to exceed self insured retention amount | claim |  | 0 |
Environmental |  |  |
All Contingencies Reserves [Line Items] |  |  |
Total reserves |  | $ 162,000,000 | 161,000,000
Environmental impaired sites | site |  | 240 |
Other |  |  |
All Contingencies Reserves [Line Items] |  |  |
Total reserves |  | $ 83,000,000 | $ 81,000,000

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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 Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349 + Details
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- Details
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- Details
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- Details
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