XML 138 R48.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Revenue (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue | Presented in the following tables are the components of operating revenue:
In Millions |
Year Ended December 31, 2019 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | EnerBank |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 4,407 |  |  | $ | 1,922 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,329 |
Other |  | — |  |  | — |  |  | 74 |  |  | — |  |  | 74 |
Revenue recognized from contracts with customers |  | $ | 4,407 |  |  | $ | 1,922 |  |  | $ | 74 |  |  | $ | — |  |  | $ | 6,403 |
Leasing income |  | — |  |  | — |  |  | 174 |  |  | — |  |  | 174 |
Financing income |  | 9 |  |  | 5 |  |  | — |  |  | 221 |  |  | 235 |
Consumers alternative-revenue programs |  | 23 |  |  | 10 |  |  | — |  |  | — |  |  | 33 |
Total operating revenue – CMS Energy |  | $ | 4,439 |  |  | $ | 1,937 |  |  | $ | 248 |  |  | $ | 221 |  |  | $ | 6,845 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 1,988 |  |  | $ | 1,316 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,304 |
Commercial |  | 1,502 |  |  | 372 |  |  | — |  |  | — |  |  | 1,874 |
Industrial |  | 669 |  |  | 51 |  |  | — |  |  | — |  |  | 720 |
Other |  | 248 |  |  | 183 |  |  | — |  |  | — |  |  | 431 |
Revenue recognized from contracts with customers |  | $ | 4,407 |  |  | $ | 1,922 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,329 |
Financing income |  | 9 |  |  | 5 |  |  | — |  |  | — |  |  | 14 |
Alternative-revenue programs |  | 23 |  |  | 10 |  |  | — |  |  | — |  |  | 33 |
Total operating revenue – Consumers |  | $ | 4,439 |  |  | $ | 1,937 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,376 |
1 | Amounts represent the enterprises segment’s operating revenue from independent power production and CMS ERM’s sales of energy commodities in support of the independent power production portfolio.
In Millions |
Year Ended December 31, 2018 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | EnerBank |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 4,528 |  |  | $ | 1,882 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,410 |
Other |  | — |  |  | — |  |  | 92 |  |  | — |  |  | 92 |
Revenue recognized from contracts with customers |  | $ | 4,528 |  |  | $ | 1,882 |  |  | $ | 92 |  |  | $ | — |  |  | $ | 6,502 |
Leasing income |  | — |  |  | — |  |  | 160 |  |  | — |  |  | 160 |
Financing income |  | 10 |  |  | 5 |  |  | — |  |  | 157 |  |  | 172 |
Consumers alternative-revenue programs |  | 23 |  |  | 16 |  |  | — |  |  | — |  |  | 39 |
Total operating revenue – CMS Energy |  | $ | 4,561 |  |  | $ | 1,903 |  |  | $ | 252 |  |  | $ | 157 |  |  | $ | 6,873 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 2,049 |  |  | $ | 1,284 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,333 |
Commercial |  | 1,545 |  |  | 367 |  |  | — |  |  | — |  |  | 1,912 |
Industrial |  | 674 |  |  | 55 |  |  | — |  |  | — |  |  | 729 |
Other |  | 260 |  |  | 176 |  |  | — |  |  | — |  |  | 436 |
Revenue recognized from contracts with customers |  | $ | 4,528 |  |  | $ | 1,882 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,410 |
Financing income |  | 10 |  |  | 5 |  |  | — |  |  | — |  |  | 15 |
Alternative-revenue programs |  | 23 |  |  | 16 |  |  | — |  |  | — |  |  | 39 |
Total operating revenue – Consumers |  | $ | 4,561 |  |  | $ | 1,903 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,464 |
1 Amounts represent the enterprises segment’s operating revenue from independent power production and CMS ERM’s sales of energy commodities in support of the independent power production portfolio.
Consumers Energy Company |
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue | Presented in the following tables are the components of operating revenue:
In Millions |
Year Ended December 31, 2019 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | EnerBank |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 4,407 |  |  | $ | 1,922 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,329 |
Other |  | — |  |  | — |  |  | 74 |  |  | — |  |  | 74 |
Revenue recognized from contracts with customers |  | $ | 4,407 |  |  | $ | 1,922 |  |  | $ | 74 |  |  | $ | — |  |  | $ | 6,403 |
Leasing income |  | — |  |  | — |  |  | 174 |  |  | — |  |  | 174 |
Financing income |  | 9 |  |  | 5 |  |  | — |  |  | 221 |  |  | 235 |
Consumers alternative-revenue programs |  | 23 |  |  | 10 |  |  | — |  |  | — |  |  | 33 |
Total operating revenue – CMS Energy |  | $ | 4,439 |  |  | $ | 1,937 |  |  | $ | 248 |  |  | $ | 221 |  |  | $ | 6,845 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 1,988 |  |  | $ | 1,316 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,304 |
Commercial |  | 1,502 |  |  | 372 |  |  | — |  |  | — |  |  | 1,874 |
Industrial |  | 669 |  |  | 51 |  |  | — |  |  | — |  |  | 720 |
Other |  | 248 |  |  | 183 |  |  | — |  |  | — |  |  | 431 |
Revenue recognized from contracts with customers |  | $ | 4,407 |  |  | $ | 1,922 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,329 |
Financing income |  | 9 |  |  | 5 |  |  | — |  |  | — |  |  | 14 |
Alternative-revenue programs |  | 23 |  |  | 10 |  |  | — |  |  | — |  |  | 33 |
Total operating revenue – Consumers |  | $ | 4,439 |  |  | $ | 1,937 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,376 |
1 | Amounts represent the enterprises segment’s operating revenue from independent power production and CMS ERM’s sales of energy commodities in support of the independent power production portfolio.
In Millions |
Year Ended December 31, 2018 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | EnerBank |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 4,528 |  |  | $ | 1,882 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,410 |
Other |  | — |  |  | — |  |  | 92 |  |  | — |  |  | 92 |
Revenue recognized from contracts with customers |  | $ | 4,528 |  |  | $ | 1,882 |  |  | $ | 92 |  |  | $ | — |  |  | $ | 6,502 |
Leasing income |  | — |  |  | — |  |  | 160 |  |  | — |  |  | 160 |
Financing income |  | 10 |  |  | 5 |  |  | — |  |  | 157 |  |  | 172 |
Consumers alternative-revenue programs |  | 23 |  |  | 16 |  |  | — |  |  | — |  |  | 39 |
Total operating revenue – CMS Energy |  | $ | 4,561 |  |  | $ | 1,903 |  |  | $ | 252 |  |  | $ | 157 |  |  | $ | 6,873 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 2,049 |  |  | $ | 1,284 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,333 |
Commercial |  | 1,545 |  |  | 367 |  |  | — |  |  | — |  |  | 1,912 |
Industrial |  | 674 |  |  | 55 |  |  | — |  |  | — |  |  | 729 |
Other |  | 260 |  |  | 176 |  |  | — |  |  | — |  |  | 436 |
Revenue recognized from contracts with customers |  | $ | 4,528 |  |  | $ | 1,882 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,410 |
Financing income |  | 10 |  |  | 5 |  |  | — |  |  | — |  |  | 15 |
Alternative-revenue programs |  | 23 |  |  | 16 |  |  | — |  |  | — |  |  | 39 |
Total operating revenue – Consumers |  | $ | 4,561 |  |  | $ | 1,903 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,464 |
1 Amounts represent the enterprises segment’s operating revenue from independent power production and CMS ERM’s sales of energy commodities in support of the independent power production portfolio.

X
- 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
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=cms_ConsumersEnergyCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |