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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Schedule of Other Income
The following is a summary of DTE Energy's Other income:
202420232022
(In millions)
Allowance for equity funds used during construction$86 $42 $29 
Contract services34 26 28 
Investment income(a)
17 17 3 
Equity earnings (losses) of equity method investees15 3 (14)
Other15 14 12 
$167 $102 $58 
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(a)Investment losses are recorded separately to Other expenses on the Consolidated Statements of Operations.
The following is a summary of DTE Electric's Other income:
202420232022
(In millions)
Allowance for equity funds used during construction$84 $40 $26 
Contract services33 25 27 
Investment income(a)
13 11 3 
Other14 11 9 
$144 $87 $65 
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(a)Investment losses are recorded separately to Other expenses on the Consolidated Statements of Operations.
Schedule of Accumulated Other Comprehensive Income (Loss)
The following table summarizes the changes in DTE Energy's Accumulated other comprehensive income (loss) by component(a) for the years ended December 31, 2024 and 2023:
Net Unrealized Gain (Loss) on Derivatives
Benefit Obligations(b)
Foreign Currency TranslationTotal
(In millions)
Balance, December 31, 2022$(4)$(58)$— $(62)
Other comprehensive income (loss) before reclassifications(14)3 2 (9)
Amounts reclassified from Accumulated other comprehensive loss1 3 — 4 
Net current period Other comprehensive income (loss)(13)6 2 (5)
Balance, December 31, 2023$(17)$(52)$2 $(67)
Other comprehensive income (loss) before reclassifications47 (3)(7)37 
Amounts reclassified from Accumulated other comprehensive loss— 4 — 4 
Net current period Other comprehensive income (loss)47 1 (7)41 
Balance, December 31, 2024$30 $(51)$(5)$(26)
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(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 19 to the Consolidated Financial Statements, "Retirement Benefits and Trusteed Assets," for details regarding this activity.
Schedule of Financing Receivables 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, 2024.
DTE EnergyDTE Electric
Year of origination
202420232022 and priorTotal2024 and prior
(In millions)
Notes receivable
Internal grade 1(a)
$— $1 $4 $5 $43 
Internal grade 2622 6 253 881 1 
Total notes receivable(b)
$622 $7 $257 $886 $44 
Net investment in leases
Internal grade 1$— $— $36 $36 $— 
Internal grade 24 — — 4 — 
Total net investment in leases(b)
$4 $— $36 $40 $— 
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(a)For DTE Electric, includes Notes receivable — Affiliates balance of $42 million originated in 2024 that eliminates in consolidation for DTE Energy. Remaining balance for DTE Electric originated in 2023.
(b)For DTE Energy, the current portion is included in Current Assets — Other on the Consolidated Statements of Financial Position. For DTE Electric, the amounts are included in Other 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 EnergyDTE Electric
Trade accounts receivableOther receivablesTotalTrade and other accounts receivable
(In millions)
Balance at December 31, 2021$89 $3 $92 $54 
Current period provision49 — 49 33 
Write-offs charged against allowance(105)(2)(107)(66)
Recoveries of amounts previously written off45 — 45 28 
Balance at December 31, 2022$78 $1 $79 $49 
Current period provision52 — 52 36 
Write-offs charged against allowance(112)— (112)(72)
Recoveries of amounts previously written off44 — 44 28 
Balance at December 31, 2023$62 $1 $63 $41 
Current period provision74 2 76 49 
Write-offs charged against allowance(108)— (108)(70)
Recoveries of amounts previously written off41 — 41 26 
Balance at December 31, 2024$69 $3 $72 $46 
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,
202420232022
(In millions)
DTE Energy$74 $55 $55 
DTE Electric$50 $38 $35 
Schedule of Finite-Lived Intangible Assets
The Registrants have certain Intangible assets as shown below:
December 31, 2024December 31, 2023
Useful LivesGross Carrying ValueAccumulated AmortizationNet Carrying ValueGross Carrying ValueAccumulated AmortizationNet Carrying Value
(In millions)
Intangible assets subject to amortization
Contract intangibles
12 to 26 years
$246 $(119)$127 $246 $(103)$143 
Carbon offsets14 — 14 10 — 10 
Renewable energy credits1 — 1 2 — 2 
Other2 — 2 1 — 1 
Intangible assets not subject to amortization(a)
17 — 17 13 — 13 
DTE Energy Long-term intangible assets$263 $(119)$144 $259 $(103)$156 
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(a)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, 2024December 31, 2023
Useful LivesGross Carrying ValueAccumulated AmortizationNet Carrying ValueGross Carrying ValueAccumulated AmortizationNet Carrying Value
(In millions)
Intangible assets subject to amortization
Contract intangibles
12 to 26 years
$246 $(119)$127 $246 $(103)$143 
Carbon offsets14 — 14 10 — 10 
Renewable energy credits1 — 1 2 — 2 
Other2 — 2 1 — 1 
Intangible assets not subject to amortization(a)
17 — 17 13 — 13 
DTE Energy Long-term intangible assets$263 $(119)$144 $259 $(103)$156 
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(a)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 2029:
20252026202720282029
(In millions)
Estimated amortization expense$15 $15 $15 $14 $14 
Schedule of Capitalized Cloud Computing Costs
The following balances for cloud computing costs relate to DTE Energy:
Year Ended December 31,
202420232022
(In millions)
Amortization expense of capitalized cloud computing costs$12 $10 $4 
Gross value of capitalized cloud computing costs$64 $56 
Accumulated amortization of capitalized cloud computing costs$27 $15 
The following balances for cloud computing costs relate to DTE Electric:
Year Ended December 31,
202420232022
(In millions)
Amortization expense of capitalized cloud computing costs$10 $8 $3 
Gross value of capitalized cloud computing costs$51 $44 
Accumulated amortization of capitalized cloud computing costs$22 $12 
Schedule of Accounting Policies
See the following notes for other accounting policies impacting the Registrants’ Consolidated Financial Statements:
NoteTitle
4Revenue
5Property, Plant, and Equipment
7Asset Retirement Obligations
8Regulatory Matters
9Income Taxes
11Fair Value
12Financial and Other Derivative Instruments
16Leases
19Retirement Benefits and Trusteed Assets
20Stock-Based Compensation
21Segment and Related Information
22Related Party Transactions