Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net Loss	$ (315)	$ (109)	$ (602)	$ (131)
Other Items of Comprehensive Loss
Net Change in Mutual Fund Investment	0	0	0	(11)
Less Tax Expense	0	0	0	3
Net Change in Pension and Other	1	24	1	25
Less Tax Benefit	0	(10)	0	(10)
Comprehensive Loss	$ (314)	$ (95)	$ (601)	$ (124)