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Regulatory Matters (Schedule of MISO Exit fees)(Details) (Duke Energy Ohio [Member], RTO Realignment [Member], USD $)
In Millions, unless otherwise specified |
9 Months Ended |
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Sep. 30, 2014
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Duke Energy Ohio [Member] | RTO Realignment [Member]
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| Restructuring Reserve [Roll Forward] | |
| Balance, beginning of period | $ 95 |
| Provision / Adjustments | 3 |
| Cash Reductions | (3) |
| Balance, end of period | $ 95 |
| X | ||||||||||
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- Definition
Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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