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RESTRUCTURING ACTIVITIES (Pre-Tax Restructuring charges) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring charges | $ 11 | $ 39 |
Invigorate Program [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Employee separation costs | 9 | 38 | $ 31
Facility-related costs | 2 | 1 | 12
Asset impairment charges | 0 | 0 | 1
Total restructuring charges | $ 11 | $ 39 | $ 44

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