Investments with Unrealized Losses Policy (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 security	Dec. 31, 2012 security
Investments, Debt and Equity Securities [Abstract]
Investments with unrealized losses of less than one year	31	9
Investments with unrealized losses for more than one year	7	7
Other than temporary impairment write-downs	$ 0	$ 0