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

9 Months Ended

Sep. 30, 2011

EnerBank USA [Member]

Schedule of Allowance for Loan Losses

In Millions
	Three months			Nine months
	ended			ended
September 30	2011			2011
Allowance for loan losses, at beginning of period	$	5		$	5
Charge-offs		(1	)		(4	)
Recoveries		—			1
Provision for loan losses		1			3
Allowance for loan losses, at end of period	$	5		$	5

Schedule of Delinquency Status of EnerBank's Consumer Loans

In Millions
Past Due	Past Due		Past Due		Total				Total
30-59 Days	60-89 Days		Over 90 Days		Delinquent		Current		Outstanding
$            1	$	1	$	—	$	2	$	437	$	439