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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2022
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
The Registrants' total Income Tax Expense varied from the statutory federal income tax rate for the following reasons:
202220212020
DTE Energy(In millions)
Income Before Income Taxes$1,112 $656 $1,082 
Income tax expense at 21% statutory rate$234 $138 $227 
TCJA regulatory liability amortization(155)(103)(76)
Production tax credits(91)(138)(121)
Net operating loss carryback(5)— (34)
State deferred tax remeasurement due to separation of DT Midstream, net of federal benefit (85)— 
Enactment of West Virginia income tax legislation, net of federal benefit — 
Deferred intercompany gain — 
Valuation allowance on charitable contribution carryforwards9 18 
State and local income taxes, excluding items above, net of federal benefit42 30 47 
Other, net(5)(7)(9)
Income Tax Expense (Benefit)$29 $(130)$37 
Effective income tax rate2.6 %(19.9)%3.4 %
202220212020
DTE Electric(In millions)
Income Before Income Taxes$981 $970 $887 
Income tax expense at 21% statutory rate$206 $204 $186 
TCJA regulatory liability amortization(145)(73)(62)
Production tax credits(83)(70)(55)
State and local income taxes, excluding items above, net of federal benefit56 54 50 
Other, net(8)(11)(10)
Income Tax Expense$26 $104 $109 
Effective income tax rate2.7 %10.7 %12.3 %
Schedule of Components of Income Tax Expense (Benefit)
Components of the Registrants' Income Tax Expense were as follows:
202220212020
DTE Energy(In millions)
Current income tax expense (benefit)
Federal$(13)$(33)$(249)
State and other income tax(2)(12)
Total current income taxes(15)(45)(245)
Deferred income tax expense (benefit)
Federal(13)(42)227 
State and other income tax57 (43)55 
Total deferred income taxes44 (85)282 
$29 $(130)$37 
202220212020
DTE Electric(In millions)
Current income tax expense (benefit)
Federal$1 $(11)$15 
State and other income tax (7)
Total current income taxes1 (18)20 
Deferred income tax expense (benefit)
Federal(46)47 30 
State and other income tax71 75 59 
Total deferred income taxes25 122 89 
$26 $104 $109 
Schedule of Deferred Tax Assets and Liabilities
The Registrants' deferred tax assets (liabilities) were comprised of the following at December 31:
DTE EnergyDTE Electric
2022202120222021
(In millions)
Property, plant, and equipment$(3,897)$(3,826)$(3,188)$(3,164)
Regulatory assets and liabilities(493)(124)(589)(230)
Tax credit carry-forwards1,378 1,260 487 379 
Pension and benefits111 102 103 127 
Federal net operating loss carry-forward266 199 58 
State and local net operating loss carry-forwards97 73 38 15 
Investments in equity method investees65 59  (1)
Other137 145 145 128 
(2,336)(2,112)(2,946)(2,741)
Less: Valuation allowance(58)(51) — 
Long-term deferred income tax liabilities$(2,394)$(2,163)$(2,946)$(2,741)
Deferred income tax assets$2,317 $2,224 $1,081 $988 
Deferred income tax liabilities(4,711)(4,387)(4,027)(3,729)
$(2,394)$(2,163)$(2,946)$(2,741)
Schedule of Unrecognized Tax Benefits Roll Forward
A reconciliation of the beginning and ending amount of unrecognized tax benefits for the Registrants is as follows:
202220212020
DTE Energy(In millions)
Balance at January 1$10 $10 $10 
Additions for tax positions of prior years5 — — 
Reductions for tax positions of prior years(2)— — 
Balance at December 31$13 $10 $10 
202220212020
DTE Electric(In millions)
Balance at January 1$13 $13 $13 
Additions for tax positions of prior years — — 
Reductions for tax positions of prior years — — 
Balance at December 31$13 $13 $13