Note 17 - Other Operating (Income) Expenses, Net (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
Mar. 31, 2012
Note 17 - Other Operating (Income) Expenses, Net (Details) [Line Items]
Sales of Real Estate	$ 41
Sale Leaseback Term	1 year
Pre-Tax Amount [Member]
Note 17 - Other Operating (Income) Expenses, Net (Details) [Line Items]
Gains (Losses) on Sales of Investment Real Estate	$ 34

Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration