FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions |
Apr. 30, 2016 |
Oct. 31, 2015 |
| Assets Short - term |
|
|
| Cash equivalents (money market funds) |
$ 1,454
|
$ 1,411
|
| Derivative instruments (foreign exchange contracts) |
3
|
4
|
| Assets, Long-term |
|
|
| Trading securities |
30
|
35
|
| Total assets measured at fair value |
1,487
|
1,450
|
| Liabilities, Short-term |
|
|
| Derivative instruments (foreign exchange and interest rate swap contracts) |
13
|
5
|
| Liabilities Long-term |
|
|
| Deferred compensation liability |
30
|
35
|
| Total liabilities measured at fair value |
43
|
40
|
| Quoted Prices in Active Markets for Identical Assets (Level 1) |
|
|
| Assets Short - term |
|
|
| Cash equivalents (money market funds) |
1,454
|
1,411
|
| Derivative instruments (foreign exchange contracts) |
0
|
0
|
| Assets, Long-term |
|
|
| Trading securities |
30
|
35
|
| Total assets measured at fair value |
1,484
|
1,446
|
| Liabilities, Short-term |
|
|
| Derivative instruments (foreign exchange and interest rate swap contracts) |
0
|
0
|
| Liabilities Long-term |
|
|
| Deferred compensation liability |
0
|
0
|
| Total liabilities measured at fair value |
0
|
0
|
| Significant Other Observable Inputs (Level 2) |
|
|
| Assets Short - term |
|
|
| Cash equivalents (money market funds) |
0
|
0
|
| Derivative instruments (foreign exchange contracts) |
3
|
4
|
| Assets, Long-term |
|
|
| Trading securities |
0
|
0
|
| Total assets measured at fair value |
3
|
4
|
| Liabilities, Short-term |
|
|
| Derivative instruments (foreign exchange and interest rate swap contracts) |
13
|
5
|
| Liabilities Long-term |
|
|
| Deferred compensation liability |
30
|
35
|
| Total liabilities measured at fair value |
43
|
40
|
| Significant Unobservable Inputs (Level 3) |
|
|
| Assets Short - term |
|
|
| Cash equivalents (money market funds) |
0
|
0
|
| Derivative instruments (foreign exchange contracts) |
0
|
0
|
| Assets, Long-term |
|
|
| Trading securities |
0
|
0
|
| Total assets measured at fair value |
0
|
0
|
| Liabilities, Short-term |
|
|
| Derivative instruments (foreign exchange and interest rate swap contracts) |
0
|
0
|
| Liabilities Long-term |
|
|
| Deferred compensation liability |
0
|
0
|
| Total liabilities measured at fair value |
$ 0
|
$ 0
|