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Schedule II - Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |
Schedule II - Valuation and Qualifying Accounts and Reserves | CMS Energy Corporation Years Ended December 31, 2023, 2022, and 2021
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period
Allowance for uncollectible accounts 1 |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 27 |  |  | $ | 34 |  |  | $ | — |  |  | $ | 40 |  |  | $ | 21 |
2022 |  | 20 |  |  | 50 |  |  | — |  |  | 43 |  |  | 27 |
2021 |  | 29 |  |  | 22 |  |  | — |  |  | 31 |  |  | 20 |
Deferred tax valuation allowance |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2 |
2022 |  | 2 |  |  | — |  |  | — |  |  | — |  |  | 2 |
2021 |  | 1 |  |  | 1 |  |  | — |  |  | — |  |  | 2 |
1 Deductions represent write-offs of uncollectible accounts, net of recoveries. Consumers Energy Company Years Ended December 31, 2023, 2022, and 2021
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period
Allowance for uncollectible accounts 1 |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 27 |  |  | $ | 34 |  |  | $ | — |  |  | $ | 40 |  |  | $ | 21 |
2022 |  | 20 |  |  | 50 |  |  | — |  |  | 43 |  |  | 27 |
2021 |  | 29 |  |  | 22 |  |  | — |  |  | 31 |  |  | 20 |
1 Deductions represent write-offs of uncollectible accounts, net of recoveries.
Consumers Energy Company |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |
Schedule II - Valuation and Qualifying Accounts and Reserves | CMS Energy Corporation Years Ended December 31, 2023, 2022, and 2021
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period
Allowance for uncollectible accounts 1 |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 27 |  |  | $ | 34 |  |  | $ | — |  |  | $ | 40 |  |  | $ | 21 |
2022 |  | 20 |  |  | 50 |  |  | — |  |  | 43 |  |  | 27 |
2021 |  | 29 |  |  | 22 |  |  | — |  |  | 31 |  |  | 20 |
Deferred tax valuation allowance |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2 |
2022 |  | 2 |  |  | — |  |  | — |  |  | — |  |  | 2 |
2021 |  | 1 |  |  | 1 |  |  | — |  |  | — |  |  | 2 |
1 Deductions represent write-offs of uncollectible accounts, net of recoveries. Consumers Energy Company Years Ended December 31, 2023, 2022, and 2021
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period
Allowance for uncollectible accounts 1 |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 27 |  |  | $ | 34 |  |  | $ | — |  |  | $ | 40 |  |  | $ | 21 |
2022 |  | 20 |  |  | 50 |  |  | — |  |  | 43 |  |  | 27 |
2021 |  | 29 |  |  | 22 |  |  | — |  |  | 31 |  |  | 20 |
1 Deductions represent write-offs of uncollectible accounts, net of recoveries.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C(1))) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C(2))) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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