Notes Receivable (Tables) (EnerBank USA [Member])

3 Months Ended

Mar. 31, 2012

EnerBank USA [Member]

Schedule of Allowance for Loan Losses

In Millions
Three Months Ended March 31	2012		2011
Balance at beginning of period		$        5		$        5
Charge-offs		(1)		(1)
Recoveries		-		-
Provision for loan losses		1		1
Balance at end of period		$        5		$        5

Schedule of Delinquency Status of EnerBank's Consumer Loans

In Millions
	Past Due 30-59 Days		Past Due 60-89 Days		Past Due Over 90 Days		Total Delinquent		Current		Total   Outstanding
March 31, 2012		$       1		$       -		$       1		$      2		$   475		$   477
December 31, 2011		1		-		1		2		478		480