XML 54 R35.htm IDEA: XBRL DOCUMENT v3.25.3
Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2025
Accounting Policies [Abstract]  
Schedule of Other Income
The following is a summary of DTE Energy's Other income:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
(In millions)
Allowance for equity funds used during construction$26 $24 $72 $62 
Contract services11 8 31 21 
Equity earnings of equity method investees5 12 16 36 
Investment income(a)
8 7 16 16 
Other4 3 12 11 
$54 $54 $147 $146 
_______________________________________
(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:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
(In millions)
Allowance for equity funds used during construction$25 $23 $71 $60 
Contract services11 8 31 21 
Investment income(a)
5 6 12 13 
Other4 4 9 11 
$45 $41 $123 $105 
_______________________________________
(a)Investment losses are recorded separately to Other expenses on the Consolidated Statements of Operations.
Schedule of Effective Income Tax Rate Reconciliation The tables below summarize how the Registrants' effective income tax rates have varied from the statutory federal income tax rate:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
DTE Energy
Statutory federal income tax rate21.0 %21.0 %21.0 %21.0 %
Increase (decrease) due to:
State and local income taxes, net of federal benefit4.2 5.0 4.2 4.3 
Investment tax credits(13.2)(34.2)(13.5)(13.6)
Production tax credits(10.8)(17.2)(10.6)(10.9)
TCJA regulatory liability amortization(4.7)(6.2)(4.6)(5.1)
AFUDC equity(1.4)(1.6)(1.5)(1.3)
Enactment of Illinois income tax legislation, net of federal benefit— — 1.3 — 
Valuation allowance due to enactment of federal income tax legislation4.0 — 1.6 — 
Other(0.4)(0.6)— (0.5)
Effective income tax rate(1.3)%(33.8)%(2.1)%(6.1)%
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
DTE Electric
Statutory federal income tax rate21.0 %21.0 %21.0 %21.0 %
Increase (decrease) due to:
State and local income taxes, net of federal benefit5.6 6.2 5.6 5.7 
Investment tax credits(15.6)(28.7)(15.9)(11.7)
Production tax credits(6.6)(19.3)(6.7)(13.1)
TCJA regulatory liability amortization(4.6)(6.4)(4.6)(5.3)
AFUDC equity(1.8)(1.9)(1.9)(1.6)
Other(0.8)(0.5)(0.5)(0.3)
Effective income tax rate(2.8)%(29.6)%(3.0)%(5.3)%
Schedule of Financing Receivables Classified by Internal Grade of Credit Risk
The following represents the Registrants' financing receivables by year of origination as determined by the date the original agreement was executed, classified by internal grade of credit risk, including current year-to-date gross write-offs, if any. The related credit quality indicators and risk ratings utilized to develop the internal grades have been updated through September 30, 2025.
DTE Energy
DTE Electric(a)
Year of Origination
202520242023 and PriorTotal2025 and Prior
(In millions)
Notes receivable
Internal grade 1$131 $4 $27 $162 $158 
Internal grade 22 853 253 1,108 — 
Total notes receivable(b)
$133 $857 $280 $1,270 $158 
Net investment in leases
Internal grade 1$— $— $35 $35 $— 
Internal grade 2— 2 — 2 — 
Total net investment in leases(b)
$— $2 $35 $37 $— 
_______________________________________
(a)For DTE Electric, $131 million is included in Internal grade 1 with a 2025 year of origination.
(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 receivable
Other receivables(a)
TotalTrade and other accounts receivable
(In millions)
Beginning reserve balance, January 1, 2025$69 $3 $72 $46 
Current period provision59 — 59 36 
Write-offs charged against allowance(85)— (85)(55)
Recoveries of amounts previously written off28 — 28 19 
Ending reserve balance, September 30, 2025$71 $3 $74 $46 
_______________________________________
(a)Other receivables includes reserves on notes receivable and Accounts receivable — Other.
DTE EnergyDTE Electric
Trade accounts receivable
Other receivables(a)
TotalTrade and other accounts receivable
(In millions)
Beginning reserve balance, January 1, 2024$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 
Ending reserve balance, December 31, 2024$69 $3 $72 $46 
_______________________________________
(a)Other receivables includes reserves on notes receivable and Accounts receivable — Other.
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:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
(In millions)
DTE Energy$14 $27 $60 $65 
DTE Electric$13 $22 $36 $43