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SHAREHOLDER'S EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2016
Equity [Abstract] |
Schedule of Treasury Stock by Class [Table Text Block] | Share repurchase activity (in millions, except shares):
| 2016 |  | 2015 |  | 2014
| Shares |  | Amount |  | Shares |  | Amount |  | Shares |  | Amount
2015 $1 billion Repurchase Program | 2,594,809 |  |  | $ | 193 |  |  | 1,517,277 |  |  | $ | 120 |  |  | — |  |  | $ | — |
2014 $650 million Repurchase Program | — |  |  | — |  |  | 5,691,051 |  |  | 385 |  |  | 5,497,427 |  |  | 265 |
2012 $250 million Repurchase Program | — |  |  | — |  |  | — |  |  | — |  |  | 1,819,304 |  |  | 83 |
Total | 2,594,809 |  |  | $ | 193 |  |  | 7,208,328 |  |  | $ | 505 |  |  | 7,316,731 |  |  | $ | 348 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | AOCL consisted of the following (in millions, net of tax):
| 2016 |  | 2015
Related to marketable securities | $ | (3 | ) |  | $ | (3 | )
Related to employee benefit plans | (299 | ) |  | (288 | )
Related to interest rate derivatives | (3 | ) |  | (12 | )
| $ | (305 | ) |  | $ | (303 | )

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