XML 68 R48.htm IDEA: XBRL DOCUMENT
v3.22.4

Asset Retirement Obligations (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Change in Asset Retirement Obligations | Changes to Asset retirement obligations for 2022, 2021, and 2020 were as follows:
| 2022 |  | 2021 |  | 2020
DTE Energy | (In millions)
Asset retirement obligations at January 1 | $ | 3,162 |  |  | $ | 2,829 |  |  | $ | 2,656 |
Accretion | 184 |  |  | 167 |  |  | 156 |
Liabilities incurred | 24 |  |  | 28 |  |  | 24 |
Liabilities settled | (7) |  |  | (30) |  |  | (13) |
Revision in estimated cash flows | 97 |  |  | 168 |  |  | 6 |
Asset retirement obligations at December 31 | $ | 3,460 |  |  | $ | 3,162 |  |  | $ | 2,829 |
| 2022 |  | 2021 |  | 2020
DTE Electric | (In millions)
Asset retirement obligations at January 1 | $ | 2,932 |  |  | $ | 2,607 |  |  | $ | 2,447 |
Accretion | 172 |  |  | 155 |  |  | 145 |
Liabilities incurred | 22 |  |  | 29 |  |  | 18 |
Liabilities settled | (2) |  |  | (27) |  |  | (8) |
Revision in estimated cash flows | 97 |  |  | 168 |  |  | 5 |
Asset retirement obligations at December 31 | $ | 3,221 |  |  | $ | 2,932 |  |  | $ | 2,607 |

X
- References No definition available. + Details
Name: | us-gaap_AssetRetirementObligationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration