XML 82 R50.htm IDEA: XBRL DOCUMENT

Debt and Other Obligations Lease/Leaseback Obligations (Details) $ in Millions	12 Months Ended
	Sep. 30, 2003 USD ($) Units	Dec. 31, 2015 USD ($)
Debt Disclosure [Abstract]
Proceeds prior to 2004	$ 945
Leaseback transaction, number of units \| Units	24
Proceeds in 2003	$ 389
CT and QTE outstanding leaseback obligation		$ 616