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List of contexts inside reports submitted by COLORADO INTERSTATE GAS CO

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Report: coig-20120630.xml or XBRLViewer

  1. Date: From Jul 1, 2012 to Jul 31, 2012
  2. Date: From Apr 1, 2012 to Jun 30, 2012
  3. Date: As of Jun 30, 2012
  4. Date: As of May 24, 2012
  5. Date: As of Dec 31, 2011
  6. Date: From Apr 1, 2011 to Jun 30, 2011
  7. Date: As of Jun 30, 2011
  8. Date: As of Dec 31, 2010

Report: coig-20120331.xml or XBRLViewer

  1. Date: As of Mar 31, 2012
  2. Date: From Jan 1, 2012 to Mar 31, 2012
  3. Date: As of Dec 31, 2011
  4. Date: From Jan 1, 2011 to Mar 31, 2011
  5. Date: As of Mar 31, 2011
  6. Date: As of Dec 31, 2010

Report: coig-20111231.xml or XBRLViewer

  1. Date: As of Dec 31, 2011
  2. Date: From Jan 1, 2011 to Dec 31, 2011
  3. Date: As of Jun 30, 2011
  4. Date: From Jan 1, 2010 to Dec 31, 2010
  5. Date: As of Dec 31, 2010
  6. Date: From Jan 1, 2009 to Dec 31, 2009
  7. Date: As of Dec 31, 2009
  8. Date: As of Dec 31, 2008

Report: coig-20110930.xml or XBRLViewer

  1. Date: As of Sep 30, 2011
  2. Date: From Jul 1, 2011 to Sep 30, 2011
  3. Date: As of Dec 31, 2010
  4. Date: From Jul 1, 2010 to Sep 30, 2010
  5. Date: As of Sep 30, 2010
  6. Date: As of Dec 31, 2009

Report: coig-20110630.xml or XBRLViewer

  1. Date: From Apr 1, 2011 to Jun 30, 2011
  2. Date: As of Jun 30, 2011
  3. Date: As of Dec 31, 2010
  4. Date: From Jan 1, 2010 to Jun 30, 2010
  5. Date: As of Jun 30, 2010
  6. Date: As of Dec 31, 2009

Report: cig-20150930.xml or XBRLViewer

  1. Date: From Jul 1, 2015 to Sep 30, 2015
  2. Date: As of Sep 30, 2015
  3. Date: From Jan 1, 2015 to Mar 31, 2015
  4. Date: As of Mar 31, 2015
  5. Date: As of Dec 31, 2014
  6. Date: From Jul 1, 2014 to Sep 30, 2014
  7. Date: As of Sep 30, 2014
  8. Date: As of Dec 31, 2013

Report: cig-20150630.xml or XBRLViewer

  1. Date: From Jan 1, 2015 to Jun 30, 2015
  2. Date: As of Jun 30, 2015
  3. Date: As of Mar 31, 2015
  4. Date: From Jan 1, 2015 to Mar 31, 2015
  5. Date: As of Dec 31, 2014
  6. Date: From Jan 1, 2014 to Jun 30, 2014
  7. Date: As of Jun 30, 2014
  8. Date: As of Dec 31, 2013

Report: cig-20150331.xml or XBRLViewer

  1. Date: From Jan 1, 2015 to Mar 31, 2015
  2. Date: As of Mar 31, 2015
  3. Date: As of Dec 31, 2014
  4. Date: From Jan 1, 2014 to Mar 31, 2014
  5. Date: As of Mar 31, 2014
  6. Date: As of Dec 31, 2013

Report: cig-20141231.xml or XBRLViewer

  1. Date: As of Dec 31, 2014
  2. Date: From Jan 1, 2014 to Dec 31, 2014
  3. Date: From Nov 25, 2014 to Nov 26, 2014
  4. Date: As of Jun 30, 2014
  5. Date: As of Dec 31, 2013
  6. Date: From Jan 1, 2013 to Dec 31, 2013
  7. Date: As of Dec 31, 2012
  8. Date: From Jan 1, 2012 to Dec 31, 2012
  9. Date: From Jan 1, 2012 to Jun 30, 2012
  10. Date: From Jan 1, 2012 to May 24, 2012
  11. Date: As of Dec 31, 2011

Report: cig-20140930.xml or XBRLViewer

  1. Date: From Jan 1, 2014 to Sep 30, 2014
  2. Date: As of Sep 30, 2014
  3. Date: As of Dec 31, 2013
  4. Date: From Jul 1, 2013 to Sep 30, 2013
  5. Date: As of Sep 30, 2013
  6. Date: As of Dec 31, 2012

Report: cig-20140630.xml or XBRLViewer

  1. Date: As of Jun 30, 2014
  2. Date: From Jan 1, 2014 to Jun 30, 2014
  3. Date: As of Dec 31, 2013
  4. Date: From Jan 1, 2013 to Jun 30, 2013
  5. Date: As of Jun 30, 2013
  6. Date: As of Dec 31, 2012

Report: cig-20140331.xml or XBRLViewer

  1. Date: From Jan 1, 2014 to Mar 31, 2014
  2. Date: As of Mar 31, 2014
  3. Date: As of Dec 31, 2013
  4. Date: From Jan 1, 2013 to Mar 31, 2013
  5. Date: As of Mar 31, 2013
  6. Date: As of Dec 31, 2012

Report: cig-20131231.xml or XBRLViewer

  1. Date: As of Dec 31, 2013
  2. Date: From Jan 1, 2013 to Dec 31, 2013
  3. Date: As of Jun 28, 2013
  4. Date: As of Dec 31, 2012
  5. Date: From Jan 1, 2012 to Dec 31, 2012
  6. Date: From Jan 1, 2012 to Jun 30, 2012
  7. Date: As of Jun 20, 2012
  8. Date: From Jan 1, 2012 to Jun 20, 2012
  9. Date: From Jan 1, 2012 to May 24, 2012
  10. Date: As of May 24, 2012
  11. Date: From Jan 1, 2011 to Dec 31, 2011
  12. Date: As of Dec 31, 2011
  13. Date: As of Dec 31, 2010

Report: cig-20130930.xml or XBRLViewer

  1. Date: From Jul 1, 2013 to Sep 30, 2013
  2. Date: As of Sep 30, 2013
  3. Date: As of Dec 31, 2012
  4. Date: From Jan 1, 2012 to Sep 30, 2012
  5. Date: As of Sep 30, 2012
  6. Date: As of May 24, 2012
  7. Date: As of Dec 31, 2011

Report: cig-20130630.xml or XBRLViewer

  1. Date: As of Jun 30, 2013
  2. Date: From Apr 1, 2013 to Jun 30, 2013
  3. Date: As of Dec 31, 2012
  4. Date: As of Jun 30, 2012
  5. Date: From Jan 1, 2012 to Jun 30, 2012
  6. Date: As of May 24, 2012
  7. Date: As of Dec 31, 2011

Report: cig-20130331.xml or XBRLViewer

  1. Date: From Jan 1, 2013 to Mar 31, 2013
  2. Date: As of Mar 31, 2013
  3. Date: As of Dec 31, 2012
  4. Date: From Jan 1, 2012 to Mar 31, 2012
  5. Date: As of Mar 31, 2012
  6. Date: As of Dec 31, 2011

Report: cig-20121231.xml or XBRLViewer

  1. Date: As of Dec 31, 2012
  2. Date: From Jan 1, 2012 to Dec 31, 2012
  3. Date: From Jan 1, 2012 to Jun 30, 2012
  4. Date: As of Jun 30, 2012
  5. Date: As of Jun 20, 2012
  6. Date: As of May 24, 2012
  7. Date: From Jan 1, 2012 to May 24, 2012
  8. Date: As of Dec 31, 2011
  9. Date: From Jan 1, 2011 to Dec 31, 2011
  10. Date: From Jan 1, 2010 to Dec 31, 2010
  11. Date: As of Dec 31, 2010
  12. Date: From Sep 1, 2010 to Sep 30, 2010
  13. Date: As of Dec 31, 2009
  14. Date: From Nov 1, 2009 to Nov 30, 2009

Report: cig-20120930.xml or XBRLViewer

  1. Date: As of Sep 30, 2012
  2. Date: From Jul 1, 2012 to Sep 30, 2012
  3. Date: From Jan 1, 2012 to Jun 30, 2012
  4. Date: As of Jun 20, 2012
  5. Date: As of May 24, 2012
  6. Date: As of Dec 31, 2011
  7. Date: From Jul 1, 2011 to Sep 30, 2011
  8. Date: As of Sep 30, 2011
  9. Date: As of Dec 31, 2010