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v3.23.2

Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | $ 1,514 | $ 1,842 | $ 3,762 | $ 4,160
Leasing income | 27 | 66 | 58 | 124
Financing income | 4 | 4 | 9 | 9
Consumers alternative-revenue programs |  |  | 10 | 1
Total operating revenue | 1,555 | 1,920 | 3,839 | 4,294
Electric Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 1,115 | 1,322 | 2,204 | 2,560
Financing income | 3 | 2 | 5 | 5
Consumers alternative-revenue programs |  |  | 10 | 1
Total operating revenue | 1,128 | 1,325 | 2,219 | 2,566
Gas Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 356 | 468 | 1,472 | 1,515
Financing income | 1 | 2 | 4 | 4
Consumers alternative-revenue programs |  |  | 0 | 0
Total operating revenue | 357 | 477 | 1,476 | 1,519
NorthStar Clean Energy | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 43 | 52 | 86 | 85
Leasing income | 27 | 66 | 58 | 124
Total operating revenue | 70 | 118 | 144 | 209
Variable lease income | 16 | 53 | 38 | 97
Consumers Energy Company |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 1,471 | 1,790 | 3,676 | 4,075
Financing income | 4 | 4 | 9 | 9
Consumers alternative-revenue programs | 10 | 8 | 10 | 1
Total operating revenue | 1,485 | 1,802 | 3,695 | 4,085
Consumers Energy Company | Electric Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 1,115 | 1,322 | 2,204 | 2,560
Financing income | 3 | 2 | 5 | 5
Consumers alternative-revenue programs | 10 | 1 | 10 | 1
Total operating revenue | 1,128 | 1,325 | 2,219 | 2,566
Consumers Energy Company | Gas Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 356 | 468 | 1,472 | 1,515
Financing income | 1 | 2 | 4 | 4
Consumers alternative-revenue programs | 0 | 7 | 0 | 0
Total operating revenue | 357 | 477 | 1,476 | 1,519
Residential | Consumers Energy Company |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 742 | 906 | 2,046 | 2,237
Residential | Consumers Energy Company | Electric Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 513 | 597 | 1,041 | 1,188
Residential | Consumers Energy Company | Gas Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 229 | 309 | 1,005 | 1,049
Commercial | Consumers Energy Company |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 461 | 519 | 1,055 | 1,124
Commercial | Consumers Energy Company | Electric Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 393 | 420 | 740 | 804
Commercial | Consumers Energy Company | Gas Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 68 | 99 | 315 | 320
Industrial | Consumers Energy Company |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 167 | 222 | 359 | 418
Industrial | Consumers Energy Company | Electric Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 159 | 207 | 320 | 375
Industrial | Consumers Energy Company | Gas Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 8 | 15 | 39 | 43
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 43 | 52 | 86 | 85
Other | NorthStar Clean Energy | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 43 | 52 | 86 | 85
Other | Consumers Energy Company |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 101 | 143 | 216 | 296
Other | Consumers Energy Company | Electric Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | 50 | 98 | 103 | 193
Other | Consumers Energy Company | Gas Utility | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue recognized from contracts with customers | $ 51 | $ 45 | $ 113 | $ 103

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