Note 10 - Restructuring (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended																									3 Months Ended			12 Months Ended	27 Months Ended
	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2012 Facility Closing [Member]	Dec. 31, 2010 Facility Closing [Member]	Dec. 31, 2012 Employee Severance [Member]	Dec. 31, 2010 Employee Severance [Member]	Dec. 31, 2012 Other Restructuring [Member]	Dec. 31, 2012 Marketplaces [Member]	Dec. 31, 2010 Marketplaces [Member]	Dec. 31, 2012 Marketplaces [Member] Facility Closing [Member]	Dec. 31, 2010 Marketplaces [Member] Facility Closing [Member]	Dec. 31, 2012 Marketplaces [Member] Employee Severance [Member]	Dec. 31, 2010 Marketplaces [Member] Employee Severance [Member]	Dec. 31, 2012 Payments [Member]	Dec. 31, 2010 Payments [Member]	Dec. 31, 2012 Payments [Member] Facility Closing [Member]	Dec. 31, 2010 Payments [Member] Facility Closing [Member]	Dec. 31, 2012 Payments [Member] Employee Severance [Member]	Dec. 31, 2010 Payments [Member] Employee Severance [Member]	Dec. 31, 2012 GSI [Member]	Dec. 31, 2012 GSI [Member] Facility Closing [Member]	Dec. 31, 2012 GSI [Member] Employee Severance [Member]	Dec. 31, 2012 Corporate [Member]	Dec. 31, 2012 Corporate [Member] Facility Closing [Member]	Dec. 31, 2012 Corporate [Member] Employee Severance [Member]	Dec. 31, 2012 Global Restructuring Plan 2012 [Member]	Dec. 31, 2012 Global Restructuring Plan 2012 [Member] Employee [Member] positions	Dec. 31, 2012 Global Restructuring Plan 2012 [Member] Contractor [Member] positions	Dec. 31, 2010 Customer Service Consolidation Plan 2009 [Member]	Mar. 31, 2011 Customer Service Consolidation Plan 2009 [Member] employees	Mar. 31, 2011 Customer Service Consolidation Plan 2009 [Member] Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated																											600	300
Employees impacted by consolidation																														1,000
Restructuring and related costs	$ 31	$ 21	$ 1	$ 3	$ 30	$ 18		$ 2	$ 22	$ 0	$ 3	$ 2	$ 19	$ 19	$ (1)	$ 1	$ 0	$ 18	$ (1)	$ 8	$ 0	$ 8	$ 2	$ 0	$ 2	$ 31			$ 21		$ 47
Expected restructuring costs																										1
Restructuring reserve activity
Accrued liability, beginning of period	0				0		0
Charges	31				30		1
Payments	(10)				(10)		0
Non-cash settlements	(1)				0		(1)
Accrued liability, end of period	$ 20				$ 20		$ 0