Note 4 - Goodwill and Intangible Assets Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 Customer Lists and User Base	Dec. 31, 2011 Customer Lists and User Base	Jun. 30, 2012 Trademarks and Trade Names	Dec. 31, 2011 Trademarks and Trade Names	Jun. 30, 2012 Developed Technology	Dec. 31, 2011 Developed Technology	Jun. 30, 2012 All Other	Dec. 31, 2011 All Other
Intangible Assets:
Gross Carrying Amount	$ 3,059		$ 3,059		$ 3,043	$ 1,627	$ 1,633	$ 715	$ 730	$ 518	$ 498	$ 199	$ 182
Accumulated Amortization	(1,787)		(1,787)		(1,637)	(865)	(787)	(499)	(469)	(281)	(249)	(142)	(132)
Net Carrying Amount	1,272		1,272		1,406	762	846	216	261	237	249	57	50
Weighted-Average Useful Life (Years)						5 years	5 years	5 years	5 years	4 years	3 years	4 years	4 years
Amortization expense	$ 109	$ 66	$ 218	$ 123