XML 49 R34.htm IDEA: XBRL DOCUMENT
v3.19.1

Revenue (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Components Of Operating Revenue | Presented in the following table are the components of operating revenue:
In Millions |
Three Months Ended March 31, 2019 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | Other Reconciling 2 |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 1,100 |  |  | $ | 838 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,938 |
Other |  | — |  |  | — |  |  | 19 |  |  | — |  |  | 19 |
Revenue recognized from contracts with customers |  | 1,100 |  |  | 838 |  |  | 19 |  |  | — |  |  | 1,957 |
Leasing income |  | — |  |  | — |  |  | 48 |  |  | — |  |  | 48 |
Financing income |  | 3 |  |  | 2 |  |  | — |  |  | 49 |  |  | 54 |
Consumers alternative revenue programs |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total operating revenue – CMS Energy |  | $ | 1,103 |  |  | $ | 840 |  |  | $ | 67 |  |  | $ | 49 |  |  | $ | 2,059 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 523 |  |  | $ | 589 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,112 |
Commercial |  | 351 |  |  | 174 |  |  | — |  |  | — |  |  | 525 |
Industrial |  | 162 |  |  | 25 |  |  | — |  |  | — |  |  | 187 |
Other |  | 64 |  |  | 50 |  |  | — |  |  | — |  |  | 114 |
Revenue recognized from contracts with customers |  | 1,100 |  |  | 838 |  |  | — |  |  | — |  |  | 1,938 |
Financing income |  | 3 |  |  | 2 |  |  | — |  |  | — |  |  | 5 |
Alternative revenue programs |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total operating revenue – Consumers |  | $ | 1,103 |  |  | $ | 840 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,943 |
In Millions |
Three Months Ended March 31, 2018 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | Other Reconciling 2 |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 1,076 |  |  | $ | 773 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,849 |
Other |  | — |  |  | — |  |  | 24 |  |  | — |  |  | 24 |
Revenue recognized from contracts with customers |  | 1,076 |  |  | 773 |  |  | 24 |  |  | — |  |  | 1,873 |
Leasing income |  | — |  |  | — |  |  | 39 |  |  | — |  |  | 39 |
Financing income |  | 2 |  |  | 2 |  |  | — |  |  | 35 |  |  | 39 |
Consumers alternative revenue programs |  | — |  |  | 2 |  |  | — |  |  | — |  |  | 2 |
Total operating revenue – CMS Energy |  | $ | 1,078 |  |  | $ | 777 |  |  | $ | 63 |  |  | $ | 35 |  |  | $ | 1,953 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 501 |  |  | $ | 537 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,038 |
Commercial |  | 361 |  |  | 162 |  |  | — |  |  | — |  |  | 523 |
Industrial |  | 143 |  |  | 24 |  |  | — |  |  | — |  |  | 167 |
Other |  | 71 |  |  | 50 |  |  | — |  |  | — |  |  | 121 |
Revenue recognized from contracts with customers |  | 1,076 |  |  | 773 |  |  | — |  |  | — |  |  | 1,849 |
Financing income |  | 2 |  |  | 2 |  |  | — |  |  | — |  |  | 4 |
Alternative revenue programs |  | — |  |  | 2 |  |  | — |  |  | — |  |  | 2 |
Total operating revenue – Consumers |  | $ | 1,078 |  |  | $ | 777 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,855 |
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.
2 | Amount represents EnerBank’s operating revenue from providing primarily unsecured consumer installment loans for financing home improvements.
Consumers Energy Company |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |
Components Of Operating Revenue | Presented in the following table are the components of operating revenue:
In Millions |
Three Months Ended March 31, 2019 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | Other Reconciling 2 |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 1,100 |  |  | $ | 838 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,938 |
Other |  | — |  |  | — |  |  | 19 |  |  | — |  |  | 19 |
Revenue recognized from contracts with customers |  | 1,100 |  |  | 838 |  |  | 19 |  |  | — |  |  | 1,957 |
Leasing income |  | — |  |  | — |  |  | 48 |  |  | — |  |  | 48 |
Financing income |  | 3 |  |  | 2 |  |  | — |  |  | 49 |  |  | 54 |
Consumers alternative revenue programs |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total operating revenue – CMS Energy |  | $ | 1,103 |  |  | $ | 840 |  |  | $ | 67 |  |  | $ | 49 |  |  | $ | 2,059 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 523 |  |  | $ | 589 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,112 |
Commercial |  | 351 |  |  | 174 |  |  | — |  |  | — |  |  | 525 |
Industrial |  | 162 |  |  | 25 |  |  | — |  |  | — |  |  | 187 |
Other |  | 64 |  |  | 50 |  |  | — |  |  | — |  |  | 114 |
Revenue recognized from contracts with customers |  | 1,100 |  |  | 838 |  |  | — |  |  | — |  |  | 1,938 |
Financing income |  | 3 |  |  | 2 |  |  | — |  |  | — |  |  | 5 |
Alternative revenue programs |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total operating revenue – Consumers |  | $ | 1,103 |  |  | $ | 840 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,943 |
In Millions |
Three Months Ended March 31, 2018 | Electric Utility |  | Gas Utility |  | Enterprises 1 |  | Other Reconciling 2 |  | Consolidated |
CMS Energy, including Consumers
Consumers utility revenue |  | $ | 1,076 |  |  | $ | 773 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,849 |
Other |  | — |  |  | — |  |  | 24 |  |  | — |  |  | 24 |
Revenue recognized from contracts with customers |  | 1,076 |  |  | 773 |  |  | 24 |  |  | — |  |  | 1,873 |
Leasing income |  | — |  |  | — |  |  | 39 |  |  | — |  |  | 39 |
Financing income |  | 2 |  |  | 2 |  |  | — |  |  | 35 |  |  | 39 |
Consumers alternative revenue programs |  | — |  |  | 2 |  |  | — |  |  | — |  |  | 2 |
Total operating revenue – CMS Energy |  | $ | 1,078 |  |  | $ | 777 |  |  | $ | 63 |  |  | $ | 35 |  |  | $ | 1,953 |
Consumers
Consumers utility revenue |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 501 |  |  | $ | 537 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,038 |
Commercial |  | 361 |  |  | 162 |  |  | — |  |  | — |  |  | 523 |
Industrial |  | 143 |  |  | 24 |  |  | — |  |  | — |  |  | 167 |
Other |  | 71 |  |  | 50 |  |  | — |  |  | — |  |  | 121 |
Revenue recognized from contracts with customers |  | 1,076 |  |  | 773 |  |  | — |  |  | — |  |  | 1,849 |
Financing income |  | 2 |  |  | 2 |  |  | — |  |  | — |  |  | 4 |
Alternative revenue programs |  | — |  |  | 2 |  |  | — |  |  | — |  |  | 2 |
Total operating revenue – Consumers |  | $ | 1,078 |  |  | $ | 777 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,855 |
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.
2 | Amount represents EnerBank’s operating revenue from providing primarily unsecured consumer installment loans for financing home improvements.

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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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