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v3.22.2.2

Contingencies and Commitments (Expected Remediation Cost By Year) (Details) $ in Millions | Sep. 30, 2022 USD ($)
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Bay Harbor |
Site Contingency [Line Items] |
2022 | $ 1
2023 | 4
2024 | 4
2025 | 4
2026 | 4
2027 | 4
Manufactured Gas Plant | Consumers Energy Company |
Site Contingency [Line Items] |
2022 | 1
2023 | 5
2024 | 11
2025 | 31
2026 | 6
2027 | $ 1

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- Definition Undiscounted amount of accrual for environmental loss contingency to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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