ComEd 2013 Annual Report Download - page 197

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Thetaxeffectsoftemporary differencesandcarryforwards, which giverisetosignificant portionsofthedeferredtaxassets
(liabilities), asofDecember 31,2013 and2012 are presentedbelow:
For the Year Ended
December 31,
2013 2012
Plant basis differences..................................................................... $(11,612)$(10,689)
Accrual basedcontracts.................................................................... (214) (389)
Derivativesandother financial instruments .................................................... (509) (392)
Deferredpension andpost-retirement obligation ................................................ 1,489 2,356
Nuclear decommissioningactivities .......................................................... (647) (604)
Deferreddebtrefinancingcosts ............................................................. 173(537)
Regulatory............................................................................... (1,611)(1,857)
Taxloss carryforward...................................................................... 252421
Taxcreditcarryforward .................................................................... 534226
Investment inCENG ...................................................................... (541)(405)
Other,net ............................................................................... 804701
Deferredincometaxliabilities(net) .............................................................. $(11,882)$(11,169)
Unamortizedinvestment taxcredits .............................................................. (490)(251)
Total deferredincometaxliabilities(net)andunamortizedinvestment taxcredits ........................ $(12,372)$(11,420)
Thefollowingtable providesExelon’s carryforwards andanycorrespondingvaluation allowancesasofDecember 31,2013.
Federal
Federal net operatingloss ................................................................................. $ 377(a)
Deferredtaxeson Federal net operatingloss ................................................................. 132
Federal general business creditscarryforward ................................................................ 556
(b)
State
State net operatinglossesandother creditcarryforwards ....................................................... 3,061(c)
Deferredtaxeson state taxattributes(net) ................................................................... 161
Valuation allowanceonstate taxattributes ................................................................... 13
(a)Exelon’s federal net operatingloss will expire beginningin 2031
(b) Exelon’s federal general business creditcarryforwards will expire beginningin 2032
(c) Exelon’s state net operatinglossesandother carryforwards, which are presentedon a post-apportionedbasis, will expire beginningin 2014
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