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Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2021
Asset Retirement Obligations [Line Items] |
Schedule of Asset Retirement Obligations | Presented below are the categories of assets that CMS Energy and Consumers have legal obligations to remove at the end of their useful lives and for which they have an ARO liability recorded:
Company and ARO Description | In-Service Date | Long-Lived Assets
CMS Energy, including Consumers |  |
Closure of coal ash disposal areas | various | Generating plants coal ash areas
Gas distribution cut, purge, and cap | various | Gas distribution mains and services
Asbestos abatement | 1973 | Electric and gas utility plant
Closure of renewable generation assets | various | Wind and solar generation facilities
Gas wells plug and abandon | various | Gas transmission and storage
Consumers |  |
Closure of coal ash disposal areas | various | Generating plants coal ash areas
Gas distribution cut, purge, and cap | various | Gas distribution mains and services
Asbestos abatement | 1973 | Electric and gas utility plant
Closure of renewable generation assets | various | Wind and solar generation facilities
Gas wells plug and abandon | various | Gas transmission and storage
Schedule of Change in Asset Retirement Obligation | Presented in the following tables are the changes in CMS Energy’s and Consumers’ ARO liabilities:
In Millions
Company and ARO Description | ARO Liability 12/31/2020 | Incurred | Settled | Accretion | Cash Flow Revisions | ARO Liability 12/31/2021
CMS Energy, including Consumers |  |  |  |  |  |  |  |
Consumers |  | $ | 530 |  |  | $ | 71 |  |  | $ | (53) |  |  | $ | 24 |  |  | $ | 33 |  |  | $ | 605 |
Renewable generation assets |  | 23 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 23 |
Total CMS Energy |  | $ | 553 |  |  | $ | 71 |  |  | $ | (53) |  |  | $ | 24 |  |  | $ | 33 |  |  | $ | 628 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |
Coal ash disposal areas |  | $ | 148 |  |  | $ | — |  |  | $ | (34) |  |  | $ | 5 |  |  | $ | 38 |  |  | $ | 157 |
Gas distribution cut, purge, and cap |  | 240 |  |  | 39 |  |  | (10) |  |  | 13 |  |  | — |  |  | 282 |
Asbestos abatement |  | 36 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 38 |
Renewable generation assets |  | 74 |  |  | 16 |  |  | — |  |  | 3 |  |  | — |  |  | 93 |
Gas wells plug and abandon |  | 32 |  |  | 16 |  |  | (9) |  |  | 1 |  |  | (5) |  |  | 35 |
Total Consumers |  | $ | 530 |  |  | $ | 71 |  |  | $ | (53) |  |  | $ | 24 |  |  | $ | 33 |  |  | $ | 605 |
In Millions
Company and ARO Description | ARO Liability 12/31/2019 | Incurred | Settled | Accretion | Cash Flow Revisions | ARO Liability 12/31/2020
CMS Energy, including Consumers |  |  |  |  |  |  |  |
Consumers |  | $ | 474 |  |  | $ | 46 |  |  | $ | (41) |  |  | $ | 23 |  |  | $ | 28 |  |  | $ | 530 |
Renewable generation assets |  | 3 |  |  | 19 |  |  | — |  |  | 1 |  |  | — |  |  | 23 |
Total CMS Energy |  | $ | 477 |  |  | $ | 65 |  |  | $ | (41) |  |  | $ | 24 |  |  | $ | 28 |  |  | $ | 553 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |
Coal ash disposal areas |  | $ | 166 |  |  | $ | — |  |  | $ | (24) |  |  | $ | 6 |  |  | $ | — |  |  | $ | 148 |
Gas distribution cut, purge, and cap |  | 231 |  |  | 1 |  |  | (5) |  |  | 13 |  |  | — |  |  | 240 |
Asbestos abatement |  | 34 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 36 |
Renewable generation assets |  | 21 |  |  | 24 |  |  | — |  |  | 1 |  |  | 28 |  |  | 74 |
Gas wells plug and abandon |  | 22 |  |  | 16 |  |  | (7) |  |  | 1 |  |  | — |  |  | 32 |
Cable under Straits of Mackinac |  | — |  |  | 5 |  |  | (5) |  |  | — |  |  | — |  |  | — |
Total Consumers |  | $ | 474 |  |  | $ | 46 |  |  | $ | (41) |  |  | $ | 23 |  |  | $ | 28 |  |  | $ | 530 |
Consumers Energy Company |
Asset Retirement Obligations [Line Items] |
Schedule of Asset Retirement Obligations | Presented below are the categories of assets that CMS Energy and Consumers have legal obligations to remove at the end of their useful lives and for which they have an ARO liability recorded:
Company and ARO Description | In-Service Date | Long-Lived Assets
CMS Energy, including Consumers |  |
Closure of coal ash disposal areas | various | Generating plants coal ash areas
Gas distribution cut, purge, and cap | various | Gas distribution mains and services
Asbestos abatement | 1973 | Electric and gas utility plant
Closure of renewable generation assets | various | Wind and solar generation facilities
Gas wells plug and abandon | various | Gas transmission and storage
Consumers |  |
Closure of coal ash disposal areas | various | Generating plants coal ash areas
Gas distribution cut, purge, and cap | various | Gas distribution mains and services
Asbestos abatement | 1973 | Electric and gas utility plant
Closure of renewable generation assets | various | Wind and solar generation facilities
Gas wells plug and abandon | various | Gas transmission and storage
Schedule of Change in Asset Retirement Obligation | Presented in the following tables are the changes in CMS Energy’s and Consumers’ ARO liabilities:
In Millions
Company and ARO Description | ARO Liability 12/31/2020 | Incurred | Settled | Accretion | Cash Flow Revisions | ARO Liability 12/31/2021
CMS Energy, including Consumers |  |  |  |  |  |  |  |
Consumers |  | $ | 530 |  |  | $ | 71 |  |  | $ | (53) |  |  | $ | 24 |  |  | $ | 33 |  |  | $ | 605 |
Renewable generation assets |  | 23 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 23 |
Total CMS Energy |  | $ | 553 |  |  | $ | 71 |  |  | $ | (53) |  |  | $ | 24 |  |  | $ | 33 |  |  | $ | 628 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |
Coal ash disposal areas |  | $ | 148 |  |  | $ | — |  |  | $ | (34) |  |  | $ | 5 |  |  | $ | 38 |  |  | $ | 157 |
Gas distribution cut, purge, and cap |  | 240 |  |  | 39 |  |  | (10) |  |  | 13 |  |  | — |  |  | 282 |
Asbestos abatement |  | 36 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 38 |
Renewable generation assets |  | 74 |  |  | 16 |  |  | — |  |  | 3 |  |  | — |  |  | 93 |
Gas wells plug and abandon |  | 32 |  |  | 16 |  |  | (9) |  |  | 1 |  |  | (5) |  |  | 35 |
Total Consumers |  | $ | 530 |  |  | $ | 71 |  |  | $ | (53) |  |  | $ | 24 |  |  | $ | 33 |  |  | $ | 605 |
In Millions
Company and ARO Description | ARO Liability 12/31/2019 | Incurred | Settled | Accretion | Cash Flow Revisions | ARO Liability 12/31/2020
CMS Energy, including Consumers |  |  |  |  |  |  |  |
Consumers |  | $ | 474 |  |  | $ | 46 |  |  | $ | (41) |  |  | $ | 23 |  |  | $ | 28 |  |  | $ | 530 |
Renewable generation assets |  | 3 |  |  | 19 |  |  | — |  |  | 1 |  |  | — |  |  | 23 |
Total CMS Energy |  | $ | 477 |  |  | $ | 65 |  |  | $ | (41) |  |  | $ | 24 |  |  | $ | 28 |  |  | $ | 553 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |
Coal ash disposal areas |  | $ | 166 |  |  | $ | — |  |  | $ | (24) |  |  | $ | 6 |  |  | $ | — |  |  | $ | 148 |
Gas distribution cut, purge, and cap |  | 231 |  |  | 1 |  |  | (5) |  |  | 13 |  |  | — |  |  | 240 |
Asbestos abatement |  | 34 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 36 |
Renewable generation assets |  | 21 |  |  | 24 |  |  | — |  |  | 1 |  |  | 28 |  |  | 74 |
Gas wells plug and abandon |  | 22 |  |  | 16 |  |  | (7) |  |  | 1 |  |  | — |  |  | 32 |
Cable under Straits of Mackinac |  | — |  |  | 5 |  |  | (5) |  |  | — |  |  | — |  |  | — |
Total Consumers |  | $ | 474 |  |  | $ | 46 |  |  | $ | (41) |  |  | $ | 23 |  |  | $ | 28 |  |  | $ | 530 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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