LONG-TERM DEBT

The Company's long-term debt outstanding and weighted average interest rates(a) of debt outstanding at December 31 were:



	2012			2011
Taxable Debt, Principally Secured	(In millions)
5.0% due 2013 to 2042	$	3,777		$	3,515
Tax- Exempt Revenue Bonds (b)
5.3% due 2014 to 2038	707			893
	4,484			4,408
Less amount due within one year	(263		)	(303		)
	$	4,221		$	4,105

Securitization Bonds
6.6% due 2013 to 2015	$	479		$	643
Less amount due within one year	(177		)	(164		)
	$	302		$	479

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(a)	Weighted average interest rates as of December 31, 2012 are shown below the description of each category of debt.


(b)	Tax-Exempt Revenue Bonds are issued by a public body that loans the proceeds to DTE Electric on terms substantially mirroring the Revenue Bonds.

Debt Issuances

In 2012, the Company issued the following long-term debt:



Month	Type	Interest Rate		Maturity	Amount
					(In millions)
June	Mortgage Bonds (a)	2.65	%	2022	$	250
June	Mortgage Bonds (a)	3.95	%	2042	250
					$	500

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(a)	Proceeds were used for the early redemption of DTE Electric long-term debt; for the repayment of short-term borrowings; and for general corporate purposes.

Debt Redemptions

In 2012, the following debt was redeemed:



Month	Type	Interest Rate	Maturity	Amount
				(In millions)
March/September	Securitization Bonds	6.42%	2012	$	164
April	Mortgage Bonds	7.90%	2012	10
April	Mortgage Bonds	8.36%	2012	3
July	Senior Notes	5.20%	2012	225
December	Tax Exempt Bonds	3.05%	2024	65
December	Tax Exempt Bonds	5.45%	2032	64
December	Tax Exempt Bonds	5.25%	2032	56
				$	587

The following table shows the scheduled debt maturities, excluding any unamortized discount or premium on debt:



											2018 &
	2013		2014		2015		2016		2017		thereafter		Total
	(In millions)
Amount to mature	$	440	$	500	$	315	$	151	$	—	$	3,565	$	4,971

Cross Default Provisions

Substantially all of the net properties of DTE Electric are subject to the lien of its mortgage. Should DTE Electric fail to timely pay its indebtedness under this mortgage, such failure may create cross defaults in the indebtedness of DTE Energy.