Debt and Credit Facilities	3 Months Ended
Mar. 31, 2012
Debt And Credit Facilities Disclosure [Line Items]
Debt and Credit Facilities	8. DEBT AND CREDIT FACILITIES Material changes to Progress Energy's, PEC's and PEF's debt and credit facilities and financing activities since December 31, 2011, are as follows. On February 15, 2012, the Parent's $478 million revolving credit agreement was amended to extend the expiration date from May 3, 2012, to May 3, 2013, with its existing syndication of 14 financial institutions. Our combined credit commitments for the Parent, PEC and PEF are $1.978 billion, supported by 23 financial institutions. On March 8, 2012, the Parent issued $450 million of 3.15% Senior Notes due April 1, 2022. The net proceeds, along with available cash on hand, were used to retire the $450 million outstanding aggregate principal balance of our 6.85% Senior Notes due April 15, 2012.
PEC
Debt And Credit Facilities Disclosure [Line Items]
Debt and Credit Facilities	8. DEBT AND CREDIT FACILITIES Material changes to Progress Energy's, PEC's and PEF's debt and credit facilities and financing activities since December 31, 2011, are as follows. On February 15, 2012, the Parent's $478 million revolving credit agreement was amended to extend the expiration date from May 3, 2012, to May 3, 2013, with its existing syndication of 14 financial institutions. Our combined credit commitments for the Parent, PEC and PEF are $1.978 billion, supported by 23 financial institutions. On March 8, 2012, the Parent issued $450 million of 3.15% Senior Notes due April 1, 2022. The net proceeds, along with available cash on hand, were used to retire the $450 million outstanding aggregate principal balance of our 6.85% Senior Notes due April 15, 2012.
PEF
Debt And Credit Facilities Disclosure [Line Items]
Debt and Credit Facilities	8. DEBT AND CREDIT FACILITIES Material changes to Progress Energy's, PEC's and PEF's debt and credit facilities and financing activities since December 31, 2011, are as follows. On February 15, 2012, the Parent's $478 million revolving credit agreement was amended to extend the expiration date from May 3, 2012, to May 3, 2013, with its existing syndication of 14 financial institutions. Our combined credit commitments for the Parent, PEC and PEF are $1.978 billion, supported by 23 financial institutions. On March 8, 2012, the Parent issued $450 million of 3.15% Senior Notes due April 1, 2022. The net proceeds, along with available cash on hand, were used to retire the $450 million outstanding aggregate principal balance of our 6.85% Senior Notes due April 15, 2012.

Debt and Credit Facilities

3 Months Ended

Mar. 31, 2012

Debt And Credit Facilities Disclosure [Line Items]

8. DEBT AND CREDIT FACILITIES

Material changes to Progress Energy's, PEC's and PEF's debt and credit facilities and financing activities since December 31, 2011, are as follows.

On February 15, 2012, the Parent's $478 million revolving credit agreement was amended to extend the expiration date from May 3, 2012, to May 3, 2013, with its existing syndication of 14 financial institutions. Our combined credit commitments for the Parent, PEC and PEF are $1.978 billion, supported by 23 financial institutions.

On March 8, 2012, the Parent issued $450 million of 3.15% Senior Notes due April 1, 2022. The net proceeds, along with available cash on hand, were used to retire the $450 million outstanding aggregate principal balance of our 6.85% Senior Notes due April 15, 2012.

PEC

Debt And Credit Facilities Disclosure [Line Items]

Debt and Credit Facilities

8. DEBT AND CREDIT FACILITIES

Material changes to Progress Energy's, PEC's and PEF's debt and credit facilities and financing activities since December 31, 2011, are as follows.

PEF

Debt And Credit Facilities Disclosure [Line Items]

Debt and Credit Facilities

8. DEBT AND CREDIT FACILITIES

Material changes to Progress Energy's, PEC's and PEF's debt and credit facilities and financing activities since December 31, 2011, are as follows.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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