Note 12 - Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	December 31,
	2014		2013
Current portion of long-term debt	$	36	$	21
Long term debt
Debentures, 8.875%, due 2016	$	66	$	67
Debentures, 1.45%, due 2017		250		250
Debentures, 6.625%, due 2019		243		238
Debentures, 4.25%, due 2020		287		276
Debentures, 8.875%, due 2021		69		70
Debentures, 3.70%, due 2023		249		249
Medium-term notes, average rate 7.66%, due through 2023		45		45
Debentures, 7.00%, due 2024		99		99
Debentures, 6.85%, due 2029		170		172
Debentures, callable, 7.25%, due 2036		249		249
Debentures, 4.70%, due 2037		250		250
Debentures, 5.75%, due 2040		398		398
Debentures, 4.75%, due 2042		499		499
Other, average rate 4.94%, due through 2042		389		431
Total long term debt		3,263		3,293
Less current portion of long-term debt		36		21
Long-term debt	$	3,227	$	3,272

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

2015	2016	2017	2018	2019	Thereafter
$36	$71	$257	$3	$253	$2,639