Note 12 - Discontinued Operations (Details) (USD $)	3 Months Ended						9 Months Ended	1 Months Ended	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Sep. 30, 2014 Distributed Earnings of Foreign Subsidiaries [Member] Tropical Shipping [Member]	Mar. 31, 2014 Distributed Earnings of Foreign Subsidiaries [Member] Tropical Shipping [Member]	Sep. 30, 2014 Distributed Earnings of Foreign Subsidiaries [Member] Tropical Shipping [Member]	Sep. 30, 2014 Tropical Shipping [Member]	Sep. 30, 2014 Tropical Shipping [Member]	Mar. 31, 2014 Tropical Shipping [Member]
Note 12 - Discontinued Operations (Details) [Line Items]
Proceeds from Divestiture of Businesses								$ 225,000,000
Discontinued Operation, Tax Effect of Discontinued Operation	(32,000,000)	[1]		[1]	29,000,000	31,000,000	60,000,000
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount									86,000,000
Goodwill, Impairment Loss, Net of Tax										19,000,000
Income Tax Expense (Benefit)	$ 203,000,000		$ 91,000,000							$ 0

[1] Includes $31 million that was recorded in the first quarter of 2014 related to the cumulative foreign earnings for which no tax liabilities had been previously recorded.