Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Schedule of Issued Debt

In 2020, the following debt was issued:

Company	Month	Type	Interest Rate	Maturity Date	Amount
					(In millions)
DTE Electric	February	Mortgage Bonds(a)	2.25%	2030	$	600
DTE Electric	February	Mortgage Bonds(a)	2.95%	2050	500
DTE Electric	April	Mortgage Bonds(b)	2.63%	2031	600
DTE Energy	August	Senior Notes(c)	1.05%	2025	800
DTE Gas	August	Mortgage Bonds(d)	2.35%	2030	125
DTE Gas	August	Mortgage Bonds(d)	3.20%	2050	125
					$	2,750

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(a)Proceeds used for the repayment of $300 million of DTE Electric's 2010 Series A 4.89% Senior Notes due 2020, repayment of short-term borrowings, capital expenditures, and for other general corporate purposes.

(b)Proceeds used for the repayment of $300 million of DTE Electric's 2010 Series B 3.45% Senior Notes due 2020, repayment of $32 million of DTE Electric's 2008 Series KT Variable Rate Senior Notes due 2020, repayment of short-term borrowings, capital expenditures, and for other general corporate purposes.

(c)Proceeds used for the repayment of short-term borrowings and for general corporate purposes.

(d)Proceeds used for the repayment of $50 million of DTE Gas's 2008 Series I 6.36% Senior Notes due 2020 and for general corporate purposes, including capital expenditures.

Schedule of Debt Redeemed

In 2020, the following debt was redeemed:

Company	Month	Type	Interest Rate	Maturity Date	Amount
					(In millions)
DTE Electric	March	Senior Notes	4.89%	2020	$	300
DTE Electric	July	Senior Notes	5.63%	2020	32
DTE Electric	July	Senior Notes	3.45%	2020	300
DTE Gas	September	Senior Notes	6.36%	2020	50
					$	682