Taxes (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net interest expense (income) and cumulative net interest payable (receivable)
Net Interest Expense (Income)	$ 1	$ (4)	$ (5)
Net Interest Payable	9	8
FES
Net interest expense (income) and cumulative net interest payable (receivable)
Net Interest Expense (Income)	0	(4)	1
Net Interest Payable	$ 1	$ 1