STOCK-BASED COMPENSATION Schedule of Stock-Based Compensation Expense Related to Income Tax Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Employee service share-based compensation, tax benefit from compensation expense | $ 0 | $ 0 | $ 33 | $ 89 |
| Selling, General and Administrative Expenses [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Allocated share-based compensation expense | $ 33 | $ 27 | $ 100 | $ 86 |