XML 63 R43.htm IDEA: XBRL DOCUMENT
v3.22.4

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Accounting Policies [Abstract] |
Schedule of Other Income | The following is a summary of DTE Energy's Other income:
| 2022 |  | 2021 |  | 2020
| (In millions)
Allowance for equity funds used during construction | $ | 29 |  |  | $ | 27 |  |  | $ | 25 |
Contract services | 28 |  |  | 27 |  |  | 28 |
Gains from rabbi trust securities(a) | 3 |  |  | 8 |  |  | 28 |
Income from REF entities | — |  |  | 141 |  |  | 139 |
Equity earnings (losses) of equity method investees | (14) |  |  | 38 |  |  | 26 |
Other | 12 |  |  | 13 |  |  | 13 |
| $ | 58 |  |  | $ | 254 |  |  | $ | 259 |
_______________________________________ (a)Losses from rabbi trust securities are recorded separately to Other expenses on the Consolidated Statements of Operations. The following is a summary of DTE Electric's Other income:
| 2022 |  | 2021 |  | 2020
| (In millions)
Contract services | $ | 27 |  |  | $ | 27 |  |  | $ | 28 |
Allowance for equity funds used during construction | 26 |  |  | 25 |  |  | 23 |
Gains from rabbi trust securities allocated from DTE Energy(a) | 3 |  |  | 8 |  |  | 28 |
Other | 9 |  |  | 11 |  |  | 8 |
| $ | 65 |  |  | $ | 71 |  |  | $ | 87 |
_______________________________________ (a)Losses from rabbi trust securities are recorded separately to Other expenses on the Consolidated Statements of Operations.
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table summarizes the changes in DTE Energy's Accumulated other comprehensive income (loss) by component(a) for the years ended December 31, 2022 and 2021:
| Net Unrealized Gain (Loss) on Derivatives |  |  |  | Benefit Obligations(b) |  | Foreign Currency Translation |  | Total
| (In millions)
Balance, December 31, 2020 | $ | (23) |  |  |  |  | $ | (109) |  |  | $ | (5) |  |  | $ | (137) |
Other comprehensive income before reclassifications | 1 |  |  |  |  | 1 |  |  | — |  |  | 2 |
Amounts reclassified from Accumulated other comprehensive loss | 6 |  |  |  |  | 7 |  |  | — |  |  | 13 |
Net current period Other comprehensive income | 7 |  |  |  |  | 8 |  |  | — |  |  | 15 |
Separation of DT Midstream | 5 |  |  |  |  | — |  |  | 5 |  |  | 10 |
Balance, December 31, 2021 | $ | (11) |  |  |  |  | $ | (101) |  |  | $ | — |  |  | $ | (112) |
Other comprehensive income before reclassifications | 5 |  |  |  |  | — |  |  | — |  |  | 5 |
Amounts reclassified from Accumulated other comprehensive loss | 2 |  |  |  |  | 43 |  |  | — |  |  | 45 |
Net current period Other comprehensive income | 7 |  |  |  |  | 43 |  |  | — |  |  | 50 |
Balance, December 31, 2022 | $ | (4) |  |  |  |  | $ | (58) |  |  | $ | — |  |  | $ | (62) |
______________________________________ (a)All amounts are net of tax, except for Foreign currency translation. (b)Benefit obligations activity includes changes in actuarial (gain) loss and prior service cost in DTE Energy's pension and other postretirement benefit plans. Refer to Note 20 to the Consolidated Financial Statements, "Retirement Benefits and Trusteed Assets", for details regarding this activity. For 2022, the change in benefit obligations due to actuarial (gain) loss increased from prior years, primarily due to higher discount rates and other plan changes.
Schedule of Financing Receivables Classified by Internal Grade of Credit Risk | The following represents the Registrants' financing receivables by year of origination, classified by internal grade of credit risk. The related credit quality indicators and risk ratings utilized to develop the internal grades have been updated through December 31, 2022.
| DTE Energy |  | DTE Electric
| Year of origination
| 2022 |  | 2021 |  | 2020 and prior |  | Total |  | 2022 and prior
| (In millions)
Notes receivable |  |  |  |  |  |  |  |  |
Internal grade 1 | $ | — |  |  | $ | — |  |  | $ | 21 |  |  | $ | 21 |  |  | $ | 17 |
Internal grade 2 | 40 |  |  | 3 |  |  | 16 |  |  | 59 |  |  | — |
Total notes receivable(a) | $ | 40 |  |  | $ | 3 |  |  | $ | 37 |  |  | $ | 80 |  |  | $ | 17 |
Net investment in leases |  |  |  |  |  |  |  |  |
Net investment in leases, internal grade 1 | $ | — |  |  | $ | — |  |  | $ | 37 |  |  | $ | 37 |  |  | $ | — |
Net investment in leases, internal grade 2 | 67 |  |  | — |  |  | 188 |  |  | 255 |  |  | — |
Total net investment in leases(a) | $ | 67 |  |  | $ | — |  |  | $ | 225 |  |  | $ | 292 |  |  | $ | — |
_______________________________________ (a)For DTE Energy, included in Current Assets — Other and Other Assets — Notes Receivable on the Consolidated Statements of Financial Position. For DTE Electric, included in Current Assets — Other on the Consolidated Statements of Financial Position.
Schedule of Roll-Forward of Activity for Financing Receivables Credit Loss Reserves | The following tables present a roll-forward of the activity for the Registrants' financing receivables credit loss reserves:
| DTE Energy |  | DTE Electric
| Trade accounts receivable |  | Other receivables |  |  |  |  |  | Total |  | Trade and other accounts receivable
| (In millions)
Beginning reserve balance, January 1, 2022 | $ | 89 |  |  | $ | 3 |  |  |  |  |  |  | $ | 92 |  |  | $ | 54 |
Current period provision | 49 |  |  | — |  |  |  |  |  |  | 49 |  |  | 33 |
Write-offs charged against allowance | (105) |  |  | (2) |  |  |  |  |  |  | (107) |  |  | (66) |
Recoveries of amounts previously written off | 45 |  |  | — |  |  |  |  |  |  | 45 |  |  | 28 |
Ending reserve balance, December 31, 2022 | $ | 78 |  |  | $ | 1 |  |  |  |  |  |  | $ | 79 |  |  | $ | 49 |
| DTE Energy |  | DTE Electric
| Trade accounts receivable |  | Other receivables |  |  |  |  |  | Total |  | Trade and other accounts receivable
| (In millions)
Beginning reserve balance, January 1, 2021 | $ | 101 |  |  | $ | 3 |  |  |  |  |  |  | $ | 104 |  |  | $ | 57 |
Current period provision | 53 |  |  | 1 |  |  |  |  |  |  | 54 |  |  | 36 |
Write-offs charged against allowance | (126) |  |  | (1) |  |  |  |  |  |  | (127) |  |  | (77) |
Recoveries of amounts previously written off | 61 |  |  | — |  |  |  |  |  |  | 61 |  |  | 38 |
Ending reserve balance, December 31, 2021 | $ | 89 |  |  | $ | 3 |  |  |  |  |  |  | $ | 92 |  |  | $ | 54 |
Schedule of Uncollectible Expense | Uncollectible expense for the Registrants is primarily comprised of the current period provision for allowance for doubtful accounts and is summarized as follows:
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
| (In millions)
DTE Energy | $ | 55 |  |  | $ | 55 |  |  | $ | 105 |
DTE Electric | $ | 35 |  |  | $ | 36 |  |  | $ | 62 |
Schedule of Finite-Lived Intangible Assets | The Registrants have certain Intangible assets as shown below:
|  |  | December 31, 2022 |  | December 31, 2021
| Useful Lives |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
|  |  | (In millions)
Intangible assets subject to amortization |  |  |  |  |  |  |  |  |  |  |  |
Contract intangibles(a) | 12 to 26 years |  | $ | 246 |  |  | $ | (88) |  |  | $ | 158 |  |  | $ | 271 |  |  | $ | (98) |  |  | $ | 173 |
Renewable energy credits |  |  | 2 |  |  | — |  |  | 2 |  |  | 2 |  |  | — |  |  | 2 |
Carbon offsets |  |  | 6 |  |  | — |  |  | 6 |  |  | 2 |  |  | — |  |  | 2 |
Intangible assets not subject to amortization(b) |  | 8 |  |  | — |  |  | 8 |  |  | 4 |  |  | — |  |  | 4 |
DTE Energy Long-term intangible assets |  | $ | 254 |  |  | $ | (88) |  |  | $ | 166 |  |  | $ | 275 |  |  | $ | (98) |  |  | $ | 177 |
______________________________________ (a)Reduction in contract intangibles during 2022 primarily relates to the write-off of fully amortized assets at DTE Vantage, including $25 million of gross carrying value and accumulated amortization. (b)Amounts are charged to expense, using average cost, as they are consumed in the operation of the business. DTE Electric intangible assets include the Renewable energy credits above, which are included in Other Assets — Other on the DTE Electric Consolidated Statements of Financial Position.
Schedule of Indefinite-Lived Intangible Assets | The Registrants have certain Intangible assets as shown below:
|  |  | December 31, 2022 |  | December 31, 2021
| Useful Lives |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
|  |  | (In millions)
Intangible assets subject to amortization |  |  |  |  |  |  |  |  |  |  |  |
Contract intangibles(a) | 12 to 26 years |  | $ | 246 |  |  | $ | (88) |  |  | $ | 158 |  |  | $ | 271 |  |  | $ | (98) |  |  | $ | 173 |
Renewable energy credits |  |  | 2 |  |  | — |  |  | 2 |  |  | 2 |  |  | — |  |  | 2 |
Carbon offsets |  |  | 6 |  |  | — |  |  | 6 |  |  | 2 |  |  | — |  |  | 2 |
Intangible assets not subject to amortization(b) |  | 8 |  |  | — |  |  | 8 |  |  | 4 |  |  | — |  |  | 4 |
DTE Energy Long-term intangible assets |  | $ | 254 |  |  | $ | (88) |  |  | $ | 166 |  |  | $ | 275 |  |  | $ | (98) |  |  | $ | 177 |
______________________________________ (a)Reduction in contract intangibles during 2022 primarily relates to the write-off of fully amortized assets at DTE Vantage, including $25 million of gross carrying value and accumulated amortization. (b)Amounts are charged to expense, using average cost, as they are consumed in the operation of the business. DTE Electric intangible assets include the Renewable energy credits above, which are included in Other Assets — Other on the DTE Electric Consolidated Statements of Financial Position.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The following table summarizes DTE Energy's estimated contract intangible amortization expense expected to be recognized during each year through 2027:
| 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027
| (In millions)
Estimated amortization expense | $ | 16 |  |  | $ | 16 |  |  | $ | 16 |  |  | $ | 14 |  |  | $ | 14 |
Schedule of Capitalized Cloud Computing Costs | The following balances for cloud computing costs relate to DTE Energy:
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
| (In millions)
Amortization expense of capitalized cloud computing costs | $ | 4 |  |  | $ | 1 |  |  | $ | — |
Gross value of capitalized cloud computing costs | $ | 42 |  |  | $ | 16 |  |  |
Accumulated amortization of capitalized cloud computing costs | $ | 5 |  |  | $ | 1 |  |  |
The following balances for cloud computing costs relate to DTE Electric:
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
| (In millions)
Amortization expense of capitalized cloud computing costs | $ | 3 |  |  | $ | 1 |  |  | $ | — |
Gross value of capitalized cloud computing costs | $ | 33 |  |  | $ | 12 |  |  |
Accumulated amortization of capitalized cloud computing costs | $ | 4 |  |  | $ | 1 |  |  |
Schedule of Accounting Policies | See the following notes for other accounting policies impacting the Registrants’ Consolidated Financial Statements:
Note |  | Title
5 |  | Revenue
6 |  | Property, Plant, and Equipment
8 |  | Asset Retirement Obligations
9 |  | Regulatory Matters
10 |  | Income Taxes
12 |  | Fair Value
13 |  | Financial and Other Derivative Instruments
17 |  | Leases
20 |  | Retirement Benefits and Trusteed Assets
21 |  | Stock-Based Compensation
22 |  | Segment and Related Information
23 |  | Related Party Transactions

X
- Definition Financing Receivable, Uncollectible Expense + References No definition available. + Details
Name: | dte_FinancingReceivableUncollectibleExpenseTableTextBlock
Namespace Prefix: | dte_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Accounting Policies [Table Text Block] + References No definition available. + Details
Name: | dte_ScheduleOfAccountingPoliciesTableTextBlock
Namespace Prefix: | dte_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of allowance for credit loss on financing receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953659-111524 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration