1.0.0.3 false Investment Agreement with EDF Group false 1 $ false false shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 usd Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 usdPerShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 NOTES TO FINANCIAL STATEMENTS 0 ceg_NotesToFinancialStatementsAbstract ceg false na duration string Notes To Financial Statements [Abstract] false false false false false true false false false 1 false false 0 0 false false Notes To Financial Statements [Abstract] false 3 Investment Agreement with EDF Group 1 ceg_OtherEventsTextBlock ceg false na duration string Description of an investment agreement initiated during the period, including background, timing, and allocation of... false false false false false false false false false 1 false false 0 0 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=utf-8"> <META content="MSHTML 6.00.6000.16825" name=GENERATOR></HEAD> <BODY> Investment Agreement with EDF Group On December 17, 2008, we entered into an Investment Agreement with EDF Group and related entities (EDF) under which EDF will purchase from us a 49.99% membership interest in our nuclear generation and operation business for $4.5 billion (subject to certain adjustments). We discuss the Investment Agreement with EDF in more detail in Note 15 of our 2008 Annual Report on Form 10-K. </BODY></HTML> Investment Agreement with EDF Group On December 17, 2008, we entered into an Investment Agreement with EDF Group and related entities (EDF) under false false Description of an investment agreement initiated during the period, including background, timing, and allocation of acquisition costs. This element may be used as a single block of text to encapsulate all disclosure (including data and tables) regarding this investment agreement. No authoritative reference available. false false 1 2 false UnKnown UnKnown UnKnown false true