Income Taxes And Other Taxes (Tables)

3 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Line Items]

Summary Of Effective Tax Rates

	Three Months Ended March 31,
	2013		2012
Duke Energy	34.2	%	25.8	%
Duke Energy Carolinas	37.1	%	36.3	%
Progress Energy	39.6	%	35.1	%
Duke Energy Progress	38.1	%	32.0	%
Duke Energy Florida	39.1	%	36.6	%
Duke Energy Ohio	37.1	%	37.0	%
Duke Energy Indiana	37.5	%	41.0	%

Schedule Of Excise Taxes

	Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy	$	149	$	77
Duke Energy Carolinas		42		39
Progress Energy		67		69
Duke Energy Progress		28		26
Duke Energy Florida		39		43
Duke Energy Ohio		31		30
Duke Energy Indiana		9		8