|
FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
|
|
Jan. 31, 2015
|
Jan. 31, 2014
|
Oct. 31, 2014
|
| Impairment of Investments |
|
|
|
| Impairment of Investments |
$ 0 |
$ 0 |
|
| Fair Value, Measurements, Recurring [Member] |
|
|
|
| Assets Short - term [Abstract] |
|
|
|
| Cash equivalents (money market funds) |
1,649 |
|
1,117 |
| Derivative instruments (foreign exchange contracts) |
26 |
|
10 |
| Assets, Long-term [Abstract] |
|
|
|
| Trading securities |
33 |
|
35 |
| Available-for-sale investments |
0 |
|
|
| Total assets measured at fair value |
1,708 |
|
1,162 |
| Liabilities, Short-term [Abstract] |
|
|
|
| Derivative instruments (foreign exchange contracts) |
19 |
|
4 |
| Liabilities Long-term [Abstract] |
|
|
|
| Deferred compensation liability |
33 |
|
35 |
| Total liabilities measured at fair value |
52 |
|
39 |
| Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
|
|
|
| Assets Short - term [Abstract] |
|
|
|
| Cash equivalents (money market funds) |
1,649 |
|
1,117 |
| Derivative instruments (foreign exchange contracts) |
0 |
|
0 |
| Assets, Long-term [Abstract] |
|
|
|
| Trading securities |
33 |
|
35 |
| Available-for-sale investments |
0 |
|
|
| Total assets measured at fair value |
1,682 |
|
1,152 |
| Liabilities, Short-term [Abstract] |
|
|
|
| Derivative instruments (foreign exchange contracts) |
0 |
|
0 |
| Liabilities Long-term [Abstract] |
|
|
|
| Deferred compensation liability |
0 |
|
0 |
| Total liabilities measured at fair value |
0 |
|
0 |
| Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
|
| Assets Short - term [Abstract] |
|
|
|
| Cash equivalents (money market funds) |
0 |
|
0 |
| Derivative instruments (foreign exchange contracts) |
26 |
|
10 |
| Assets, Long-term [Abstract] |
|
|
|
| Trading securities |
0 |
|
0 |
| Available-for-sale investments |
0 |
|
|
| Total assets measured at fair value |
26 |
|
10 |
| Liabilities, Short-term [Abstract] |
|
|
|
| Derivative instruments (foreign exchange contracts) |
19 |
|
4 |
| Liabilities Long-term [Abstract] |
|
|
|
| Deferred compensation liability |
33 |
|
35 |
| Total liabilities measured at fair value |
52 |
|
39 |
| Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Assets Short - term [Abstract] |
|
|
|
| Cash equivalents (money market funds) |
0 |
|
0 |
| Derivative instruments (foreign exchange contracts) |
0 |
|
0 |
| Assets, Long-term [Abstract] |
|
|
|
| Trading securities |
0 |
|
0 |
| Available-for-sale investments |
0 |
|
|
| Total assets measured at fair value |
0 |
|
0 |
| Liabilities, Short-term [Abstract] |
|
|
|
| Derivative instruments (foreign exchange contracts) |
0 |
|
0 |
| Liabilities Long-term [Abstract] |
|
|
|
| Deferred compensation liability |
0 |
|
0 |
| Total liabilities measured at fair value |
$ 0 |
|
$ 0 |