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CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables) | 12 Months Ended
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Dec. 31, 2016
Cash, Cash Equivalents, and Short-term Investments [Abstract] |
Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block] | Components for cash, cash equivalents and marketable securities (in millions):
December 31, 2016 | Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 283 |  |  | $ | — |  |  | $ | — |  |  | $ | 283 |
Cash equivalents | 45 |  |  | — |  |  | — |  |  | 45 |
Cash and cash equivalents | 328 |  |  | — |  |  | — |  |  | 328 |
U.S. government and agency securities | 290 |  |  | — |  |  | (3 | ) |  | 287 |
Foreign government bonds | 36 |  |  | — |  |  | — |  |  | 36 |
Asset-backed securities | 138 |  |  | — |  |  | — |  |  | 138 |
Mortgage-backed securities | 89 |  |  | — |  |  | — |  |  | 89 |
Corporate notes and bonds | 693 |  |  | 2 |  |  | (4 | ) |  | 691 |
Municipal securities | 11 |  |  | — |  |  | — |  |  | 11 |
Marketable securities | 1,257 |  |  | 2 |  |  | (7 | ) |  | 1,252 |
Total | $ | 1,585 |  |  | $ | 2 |  |  | $ | (7 | ) |  | $ | 1,580 |
December 31, 2015 | Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 4 |  |  | $ | — |  |  | $ | — |  |  | $ | 4 |
Cash equivalents | 69 |  |  | — |  |  | — |  |  | 69 |
Cash and cash equivalents | 73 |  |  | — |  |  | — |  |  | 73 |
U.S. government and agency securities | 254 |  |  | — |  |  | (1 | ) |  | 253 |
Foreign government bonds | 31 |  |  | — |  |  | — |  |  | 31 |
Asset-backed securities | 130 |  |  | — |  |  | — |  |  | 130 |
Mortgage-backed securities | 117 |  |  | — |  |  | (1 | ) |  | 116 |
Corporate notes and bonds | 711 |  |  | 1 |  |  | (4 | ) |  | 708 |
Municipal securities | 17 |  |  | — |  |  | — |  |  | 17 |
Marketable securities | 1,260 |  |  | 1 |  |  | (6 | ) |  | 1,255 |
Total | $ | 1,333 |  |  | $ | 1 |  |  | $ | (6 | ) |  | $ | 1,328 |
Schedule of Realized Gain (Loss) [Table Text Block] | Activity for marketable securities (in millions):
| 2016 |  | 2015 |  | 2014
Proceeds from sales and maturities | $ | 962 |  |  | $ | 1,175 |  |  | $ | 1,092 |
Gross realized gains | 3 |  |  | 2 |  |  | 4 |
Gross realized losses | (1 | ) |  | (3 | ) |  | (2 | )
Schedule of Debt Investment Maturities [Table Text Block] | Maturities for marketable securities (in millions):
December 31, 2016 | Cost Basis |  | Fair Value
Due in one year or less | $ | 182 |  |  | $ | 182 |
Due after one year through five years | 1,070 |  |  | 1,065 |
Due after five years through 10 years | 5 |  |  | 5 |
Due after 10 years | — |  |  | — |
Total | $ | 1,257 |  |  | $ | 1,252 |

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
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