Note 2 - Acquisitions Predecessor expenses (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Changes to Balance Sheet due to Predecessor | $ 17 | ||
| Other Expense [Member] | |||
| Changes to Income Statement due to Predecessor | 1 | $ 2 | |
| Operating Expense [Member] | |||
| Changes to Income Statement due to Predecessor | $ 4 | $ 5 | $ 4 |