Note 12 - Discontinued Operations (Details) - Assets and Liabilities of Tropical Shipping (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Current assets
Cash and cash equivalents	$ 15		$ 31
Total current assets	257	283	289
Current liabilities
Total current liabilities	39	40	38
Tropical Shipping [Member]
Current assets
Cash and cash equivalents	15	24	31
Short-term investments	3	1	1
Receivables	35	36	34
Inventories	9	9	8
Other	2	1	1
Total current assets	64	71	75
Long-term assets and other deferred debits
Property, plant and equipment, net	127	124	125
Goodwill	42	61	61
Intangible assets	19	19	20
Other	5	8	8
Total long-term assets and other deferred debits	193	212	214
Total assets held for sale	257	283	289
Current liabilities
Other accounts payable - trade	9	11	8
Accrued expenses	7	7	6
Other	23	22	24
Total current liabilities	39	40	38
Total liabilities held for sale	$ 39	$ 40	$ 38