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v3.20.4

Asset Sale and Exit Activities - (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Schedule of Restructuring Reserve by Type of Cost | Presented in the following table is a reconciliation of the retention benefit liability recorded in other liabilities on Consumers’ consolidated balance sheets:
In Millions
Years Ended December 31 | 2020 | 2019
Retention benefit liability at beginning of period |  | $ | 4 |  |  | $ | — |
Costs incurred and charged to maintenance and other operating expenses |  | 13 |  |  | 3 |
Costs incurred and capitalized |  | 2 |  |  | 1 |
Costs paid or settled |  | (8) |  |  | — |
Retention benefit liability at the end of the period 1 |  | $ | 11 |  |  | $ | 4 |
1 Includes current portion of other liabilities of $3 million at December 31, 2020 and $2 million at December 31, 2019.
Consumers Energy Company |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Schedule of Restructuring Reserve by Type of Cost | Presented in the following table is a reconciliation of the retention benefit liability recorded in other liabilities on Consumers’ consolidated balance sheets:
In Millions
Years Ended December 31 | 2020 | 2019
Retention benefit liability at beginning of period |  | $ | 4 |  |  | $ | — |
Costs incurred and charged to maintenance and other operating expenses |  | 13 |  |  | 3 |
Costs incurred and capitalized |  | 2 |  |  | 1 |
Costs paid or settled |  | (8) |  |  | — |
Retention benefit liability at the end of the period 1 |  | $ | 11 |  |  | $ | 4 |
1 Includes current portion of other liabilities of $3 million at December 31, 2020 and $2 million at December 31, 2019.

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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 Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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