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Note 16 - Fair Value Measurements (Details) - Major Categories of Financial Assets and Liabilities Measured on a Recurring Basis - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Non-current assets: |  |  |  |  |
Other assets |  | $ 1,513 |  | $ 1,722 |
Non-current liabilities: |  |  |  |  |
Other liabilities (1)(2) |  | 2,242 |  | 2,046 |
Current Assets [Member] |  |  |  |  |
Current assets: |  |  |  |  |
Short-term investments |  | 100 |  | 759 |
Other current assets | [1] | 522 |  | 687 |
Non Current Assets [Member] |  |  |  |  |
Non-current assets: |  |  |  |  |
Other assets |  | 752 | [1],[2] | 1,330 | [3]
Current Liabilities [Member] |  |  |  |  |
Current liabilities: |  |  |  |  |
Other liabilities | [1] | 55 |  | 44 |
Non Current Liabilities [Member] |  |  |  |  |
Current liabilities: |  |  |  |  |
Other liabilities | [1] |  |  | 15 |
Non-current liabilities: |  |  |  |  |
Other liabilities (1)(2) | [1],[2] | 98 |  |  |
Fair Value, Inputs, Level 1 [Member] | Current Assets [Member] |  |  |  |  |
Current assets: |  |  |  |  |
Short-term investments |  | 100 |  | 759 |
Fair Value, Inputs, Level 2 [Member] | Current Assets [Member] |  |  |  |  |
Current assets: |  |  |  |  |
Other current assets | [1] | 522 |  | 687 |
Fair Value, Inputs, Level 2 [Member] | Non Current Assets [Member] |  |  |  |  |
Non-current assets: |  |  |  |  |
Other assets |  | 506 | [1],[2] | 885 | [3]
Fair Value, Inputs, Level 2 [Member] | Current Liabilities [Member] |  |  |  |  |
Current liabilities: |  |  |  |  |
Other liabilities | [1] | 55 |  | 44 |
Fair Value, Inputs, Level 2 [Member] | Non Current Liabilities [Member] |  |  |  |  |
Current liabilities: |  |  |  |  |
Other liabilities | [1] |  |  | 15 |
Non-current liabilities: |  |  |  |  |
Other liabilities (1)(2) | [1],[2] | 88 |  |  |
Fair Value, Inputs, Level 3 [Member] | Non Current Assets [Member] |  |  |  |  |
Non-current assets: |  |  |  |  |
Other assets |  | 246 | [1],[2] | $ 445 | [3]
Fair Value, Inputs, Level 3 [Member] | Non Current Liabilities [Member] |  |  |  |  |
Non-current liabilities: |  |  |  |  |
Other liabilities (1)(2) | [1],[2] | $ 10 |  |  |
[1] | Derivative assets and liabilities include foreign exchange contracts which are measured using observable quoted prices for similar assets and liabilities.
[2] | Other assets include asset-backed securities which are measured using observable quoted prices for similar assets and contingent consideration assets or liabilities which are measured by applying an option pricing model using projected future revenues.
[3] | Other assets include asset-backed securities which are measured using observable quoted prices for similar assets and a contingent consideration asset which was measured by applying an option pricing model using projected future Corning Precision Materials' revenue.

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