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Revenue (Tables)
 12 Months Ended
Dec. 31, 2021
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, 2021Electric UtilityGas Utility
Enterprises1
Consolidated
CMS Energy, including Consumers
Consumers utility revenue$4,915 $2,046 $— $6,961 
Other— — 114 114 
Revenue recognized from contracts with customers$4,915 $2,046 $114 $7,075 
Leasing income— — 194 194 
Financing income10 5 — 15 
Consumers alternative-revenue programs33 12 — 45 
Total operating revenue – CMS Energy$4,958 $2,063 $308 $7,329 
Consumers
Consumers utility revenue
Residential$2,402 $1,396 $3,798 
Commercial1,573 396 1,969 
Industrial624 54 678 
Other316 200 516 
Revenue recognized from contracts with customers$4,915 $2,046 $6,961 
Financing income10 5 15 
Alternative-revenue programs33 12 45 
Total operating revenue – Consumers$4,958 $2,063 $7,021 
1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities.
In Millions
Year Ended December 31, 2020Electric UtilityGas Utility
Enterprises1
Consolidated
CMS Energy, including Consumers
Consumers utility revenue$4,348 $1,809 $— $6,157 
Other— — 81 81 
Revenue recognized from contracts with customers$4,348 $1,809 $81 $6,238 
Leasing income— — 148 148 
Financing income11 6 — 17 
Consumers alternative-revenue programs29 14 — 43 
Consumers revenues to be refunded(16)(12)— (28)
Total operating revenue – CMS Energy$4,372 $1,817 $229 $6,418 
Consumers
Consumers utility revenue
Residential$2,109 $1,232 $3,341 
Commercial1,444 337 1,781 
Industrial570 46 616 
Other225 194 419 
Revenue recognized from contracts with customers$4,348 $1,809 $6,157 
Financing income11 6 17 
Alternative-revenue programs29 14 43 
Revenues to be refunded(16)(12)(28)
Total operating revenue – Consumers$4,372 $1,817 $6,189 
1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities.
In Millions
Year Ended December 31, 2019Electric UtilityGas Utility
Enterprises1
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 income9 5 — 14 
Consumers alternative-revenue programs23 10 — 33 
Total operating revenue – CMS Energy$4,439 $1,937 $248 $6,624 
Consumers
Consumers utility revenue
Residential$1,988 $1,316 $3,304 
Commercial1,502 372 1,874 
Industrial669 51 720 
Other248 183 431 
Revenue recognized from contracts with customers$4,407 $1,922 $6,329 
Financing income9 5 14 
Alternative-revenue programs23 10 33 
Total operating revenue – Consumers$4,439 $1,937 $6,376 
1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities.
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, 2021Electric UtilityGas Utility
Enterprises1
Consolidated
CMS Energy, including Consumers
Consumers utility revenue$4,915 $2,046 $— $6,961 
Other— — 114 114 
Revenue recognized from contracts with customers$4,915 $2,046 $114 $7,075 
Leasing income— — 194 194 
Financing income10 5 — 15 
Consumers alternative-revenue programs33 12 — 45 
Total operating revenue – CMS Energy$4,958 $2,063 $308 $7,329 
Consumers
Consumers utility revenue
Residential$2,402 $1,396 $3,798 
Commercial1,573 396 1,969 
Industrial624 54 678 
Other316 200 516 
Revenue recognized from contracts with customers$4,915 $2,046 $6,961 
Financing income10 5 15 
Alternative-revenue programs33 12 45 
Total operating revenue – Consumers$4,958 $2,063 $7,021 
1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities.
In Millions
Year Ended December 31, 2020Electric UtilityGas Utility
Enterprises1
Consolidated
CMS Energy, including Consumers
Consumers utility revenue$4,348 $1,809 $— $6,157 
Other— — 81 81 
Revenue recognized from contracts with customers$4,348 $1,809 $81 $6,238 
Leasing income— — 148 148 
Financing income11 6 — 17 
Consumers alternative-revenue programs29 14 — 43 
Consumers revenues to be refunded(16)(12)— (28)
Total operating revenue – CMS Energy$4,372 $1,817 $229 $6,418 
Consumers
Consumers utility revenue
Residential$2,109 $1,232 $3,341 
Commercial1,444 337 1,781 
Industrial570 46 616 
Other225 194 419 
Revenue recognized from contracts with customers$4,348 $1,809 $6,157 
Financing income11 6 17 
Alternative-revenue programs29 14 43 
Revenues to be refunded(16)(12)(28)
Total operating revenue – Consumers$4,372 $1,817 $6,189 
1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities.
In Millions
Year Ended December 31, 2019Electric UtilityGas Utility
Enterprises1
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 income9 5 — 14 
Consumers alternative-revenue programs23 10 — 33 
Total operating revenue – CMS Energy$4,439 $1,937 $248 $6,624 
Consumers
Consumers utility revenue
Residential$1,988 $1,316 $3,304 
Commercial1,502 372 1,874 
Industrial669 51 720 
Other248 183 431 
Revenue recognized from contracts with customers$4,407 $1,922 $6,329 
Financing income9 5 14 
Alternative-revenue programs23 10 33 
Total operating revenue – Consumers$4,439 $1,937 $6,376 
1Amounts represent the enterprises segment’s operating revenue from independent power production and its sales of energy commodities.