SUPPLEMENT FINANCIAL STATEMENT INFORMATION (Accounts and Notes Receivable) (Details) - USD ($) $ in Millions |
Jun. 30, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts and notes receivable | $ 3,140 | $ 3,083 |
| Trade [Member] | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts and notes receivable | 2,878 | 2,860 |
| Other Non-Trade Receivables [Member] | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts and notes receivable | $ 262 | $ 223 |