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Financial Instruments (Tables) | 3 Months Ended
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Mar. 31, 2022
Financial Instruments [Line Items] |
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments | For information about assets and liabilities recorded at fair value and for additional details regarding the fair value hierarchy, see Note 4, Fair Value Measurements.
In Millions
| March 31, 2022 |  | December 31, 2021
| Carrying Amount | Fair Value |  | Carrying Amount | Fair Value
| Total | Level |  | Total | Level
| 1 | 2 | 3 |  | 1 | 2 | 3
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivables 1 |  | $ | 13 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 13 |  |  |  | $ | 14 |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | 14 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt 2 |  | 12,418 |  |  | 12,510 |  |  | 1,140 |  |  | 9,578 |  |  | 1,792 |  |  |  | 12,419 |  |  | 13,800 |  |  | 1,189 |  |  | 10,656 |  |  | 1,955 |
Long-term payables 3 |  | 9 |  |  | 9 |  |  | — |  |  | — |  |  | 9 |  |  |  | 31 |  |  | 32 |  |  | — |  |  | — |  |  | 32 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivables 1 |  | $ | 13 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 13 |  |  |  | $ | 14 |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | 14 |
Notes receivable – related party 4 |  | 103 |  |  | 103 |  |  | — |  |  | — |  |  | 103 |  |  |  | 104 |  |  | 104 |  |  | — |  |  | — |  |  | 104 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt 5 |  | 8,416 |  |  | 8,444 |  |  | — |  |  | 6,652 |  |  | 1,792 |  |  |  | 8,415 |  |  | 9,410 |  |  | — |  |  | 7,455 |  |  | 1,955 |
1 Includes current portion of long-term accounts receivable of $8 million at March 31, 2022 and $9 million at December 31, 2021. 2 Includes current portion of long-term debt of $373 million at March 31, 2022 and December 31, 2021. 3 Includes current portion of long-term payables of $1 million at March 31, 2022 and $23 million at December 31, 2021. 4 Includes current portion of notes receivable – related party of $7 million at March 31, 2022 and December 31, 2021. 5 Includes current portion of long-term debt of $365 million at March 31, 2022 and December 31, 2021.
Consumers Energy Company |
Financial Instruments [Line Items] |
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments | For information about assets and liabilities recorded at fair value and for additional details regarding the fair value hierarchy, see Note 4, Fair Value Measurements.
In Millions
| March 31, 2022 |  | December 31, 2021
| Carrying Amount | Fair Value |  | Carrying Amount | Fair Value
| Total | Level |  | Total | Level
| 1 | 2 | 3 |  | 1 | 2 | 3
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivables 1 |  | $ | 13 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 13 |  |  |  | $ | 14 |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | 14 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt 2 |  | 12,418 |  |  | 12,510 |  |  | 1,140 |  |  | 9,578 |  |  | 1,792 |  |  |  | 12,419 |  |  | 13,800 |  |  | 1,189 |  |  | 10,656 |  |  | 1,955 |
Long-term payables 3 |  | 9 |  |  | 9 |  |  | — |  |  | — |  |  | 9 |  |  |  | 31 |  |  | 32 |  |  | — |  |  | — |  |  | 32 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivables 1 |  | $ | 13 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 13 |  |  |  | $ | 14 |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | 14 |
Notes receivable – related party 4 |  | 103 |  |  | 103 |  |  | — |  |  | — |  |  | 103 |  |  |  | 104 |  |  | 104 |  |  | — |  |  | — |  |  | 104 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt 5 |  | 8,416 |  |  | 8,444 |  |  | — |  |  | 6,652 |  |  | 1,792 |  |  |  | 8,415 |  |  | 9,410 |  |  | — |  |  | 7,455 |  |  | 1,955 |
1 Includes current portion of long-term accounts receivable of $8 million at March 31, 2022 and $9 million at December 31, 2021. 2 Includes current portion of long-term debt of $373 million at March 31, 2022 and December 31, 2021. 3 Includes current portion of long-term payables of $1 million at March 31, 2022 and $23 million at December 31, 2021. 4 Includes current portion of notes receivable – related party of $7 million at March 31, 2022 and December 31, 2021. 5 Includes current portion of long-term debt of $365 million at March 31, 2022 and December 31, 2021.

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- Definition Financial Instruments [Line Items] + References No definition available. + Details
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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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