Other Income & Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Component Of Other Income Expense Nonoperating [Line Items]

Schedule of Other Income and Expenses, Net

		Year Ended December 31, 2012
(in millions)		Duke Energy		Duke Energy Carolinas		Progress Energy		Progress Energy Carolinas		Progress Energy Florida		Duke Energy Ohio		Duke Energy Indiana
Interest income		$	50	$	11	$	2	$	1	$	1	$	10	$	7
Foreign exchange losses(a)			(5)		―		―		―		―		―		―
AFUDC equity			300		154		106		69		37		6		84
Deferred returns			24		24		―		―		―		―		―
Other income (expense)			28		(4)		22		9		1		(3)		(1)
Other income and expense, net		$	397	$	185	$	130	$	79	$	39	$	13	$	90
(a)	Primarily relates to International Energy's remeasurement of certain cash and debt balances into the functional currency.

		Year Ended December 31, 2011
(in millions)		Duke Energy		Duke Energy Carolinas		Progress Energy		Progress Energy Carolinas		Progress Energy Florida		Duke Energy Ohio		Duke Energy Indiana
Interest income		$	53	$	10	$	2	$	1	$	1	$	14	$	14
Foreign exchange gains (a)			2		―		―		―		―		―		―
AFUDC equity			260		168		103		71		32		5		88
CVO mark-to-market loss			―		―		(59)		―		―		―		―
Deferred returns			10		10		―		―		―		―		―
Other income (expense)			51		(2)		6		8		(3)		―		(5)
Other income and expense, net		$	376	$	186	$	52	$	80	$	30	$	19	$	97
(a)	Primarily relates to International Energy's remeasurement of certain cash and debt balances into the functional currency.

		Year Ended December 31, 2010
(in millions)		Duke Energy		Duke Energy Carolinas		Progress Energy		Progress Energy Carolinas		Progress Energy Florida		Duke Energy Ohio		Duke Energy Indiana
Interest income		$	67	$	23	$	7	$	3	$	1	$	18	$	14
Foreign exchange gains (a)			1		―		―		―		―		―		―
AFUDC equity			234		174		92		64		28		4		56
Deferred returns			15		15		―		―		―		―		―
Other income			53		―		10		4		3		3		―
Other income and expense, net		$	370	$	212	$	109	$	71	$	32	$	25	$	70
(a)	Primarily relates to International Energy's remeasurement of certain cash and debt balances into the functional currency.