Note 8. Short And Long-Term Debt Convertible Notes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jan. 05, 2011 Convertible Debt [Member] 11.00% Interest Rate [Member]	Dec. 31, 2012 Significant Noteholders [Member]
Interest Rate				11.00%
Proceeds from issuance of common stock	$ 0	$ 1,176	$ 0
Original amount of Convertible Notes converted into common stock		2,110			1,901
Incremental common stock issued for Convertible Notes	0	256	0
Cash fee paid to induce conversion of convertible debt		$ 105