Shares and Stockholders' Equity (Changes In Preferred And Common stock (Number Of Shares)) (Details)	3 Months Ended				3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Mar. 31, 2014 Common Stock [Member]	Mar. 31, 2013 Common Stock [Member]
Changes In Preferred And Common Stock Number Of Shares [Line Items]
Balance as of beginning-of-period			9,532	9,532
Balance as of end-of-period			9,532	9,532
Balance as of beginning-of-period	262,896,701				262,896,701	271,402,586
Stock issued for exercise of warrants					3,044,765
Stock compensation/issued for benefit plans					728,515	427,429
Retirement/cancellation of shares					(2,987,819)	(3,372,457)
Balance as of end-of-period	263,682,162				263,682,162	268,457,558
Common stock as of end-of-year:
Assuming conversion of preferred stock	263,682,162	268,610,070
Diluted basis	270,379,143	277,230,360