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ACCOUNTING POLICIES (Details 6) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2013 | Mar. 31, 2013 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Impact of previously issued consolidated balance sheets |  |  |  |  |  |  |  |  |
Cash and cash investments | $ 1,028 | $ 828 | $ 889 | $ 1,612 | $ 1,491 | $ 1,223 | $ 1,040 | $ 1,353 | $ 1,425
Short-term bank deposits |  |  |  |  |  | 321 | 311 | 303 |
Total current assets |  |  |  |  |  | 3,468 | 3,217 | 3,429 |
Impact of previously issued consolidated statement of cash flows |  |  |  |  |  |  |  |  |
Net cash (for) investing activities | 62 | 70 | (17) | 37 | 10 | (77) | (29) | (84) | (244)
Effect of exchange rate changes on cash and cash investments |  |  |  |  |  | (3) | 11 | (8) | (7)
Decrease in cash and cash investments |  |  |  |  |  | 183 | (313) | (72) | 174
Impact of previously issued consolidated statement of cash flows |  |  |  |  |  |  |  |  |
Cash and cash investments | 1,028 | 828 | 889 | 1,612 | 1,491 | 1,223 | 1,040 | 1,353 | 1,425
Short-term bank deposits | 195 | 204 | 277 | 241 | 297 |  |  |  |
Net cash (for) investing activities | 62 | 70 | (17) | 37 | 10 | (77) | (29) | (84) | (244)
As Reported |  |  |  |  |  |  |  |  |
Impact of previously issued consolidated balance sheets |  |  |  |  |  |  |  |  |
Cash and cash investments | 1,223 | 1,032 | 1,166 | 1,853 | 1,788 |  | 1,351 | 1,656 |
Total current assets |  |  |  |  |  |  | 3,217 | 3,429 |
Impact of previously issued consolidated statement of cash flows |  |  |  |  |  |  |  |  |
Net cash (for) investing activities | (51) | (30) | (42) | (15) | (2) |  | (27) | (61) | (109)
Effect of exchange rate changes on cash and cash investments |  |  |  |  |  |  | 17 | (18) | (14)
Decrease in cash and cash investments |  |  |  |  |  |  | (305) | (59) | 302
Impact of previously issued consolidated statement of cash flows |  |  |  |  |  |  |  |  |
Cash and cash investments | 1,223 | 1,032 | 1,166 | 1,853 | 1,788 |  | 1,351 | 1,656 |
Net cash (for) investing activities | $ (51) | $ (30) | $ (42) | $ (15) | $ (2) |  | $ (27) | $ (61) | $ (109)
Foreign short-term bank deposits | Minimum |  |  |  |  |  |  |  |  |
Term |  |  |  |  |  | 3 months |  |  |
Foreign short-term bank deposits | Maximum |  |  |  |  |  |  |  |  |
Term |  |  |  |  |  | 12 months |  |  |

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