FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details) - USD ($)
$ in Millions |
Apr. 30, 2017 |
Oct. 31, 2016 |
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
$ 40
|
$ 0
|
| Assets, Long-term [Abstract] |
|
|
| Trading securities |
12
|
11
|
| Fair Value, Measurements, Recurring |
|
|
| Assets Short - term [Abstract] |
|
|
| Derivative instruments (foreign exchange contracts) |
5
|
4
|
| Assets, Long-term [Abstract] |
|
|
| Trading securities |
12
|
11
|
| Available-for-sale investments |
32
|
29
|
| Total assets measured at fair value |
641
|
515
|
| Liabilities, Short-term [Abstract] |
|
|
| Derivative instruments (foreign exchange contracts) |
2
|
8
|
| Liabilities Long-term [Abstract] |
|
|
| Deferred compensation liability |
12
|
11
|
| Total liabilities measured at fair value |
14
|
19
|
| Fair Value, Measurements, Recurring | Level 1 |
|
|
| Assets Short - term [Abstract] |
|
|
| Derivative instruments (foreign exchange contracts) |
0
|
0
|
| Assets, Long-term [Abstract] |
|
|
| Trading securities |
12
|
11
|
| Available-for-sale investments |
32
|
29
|
| Total assets measured at fair value |
593
|
511
|
| 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 | Level 2 |
|
|
| Assets Short - term [Abstract] |
|
|
| Derivative instruments (foreign exchange contracts) |
5
|
4
|
| Assets, Long-term [Abstract] |
|
|
| Trading securities |
0
|
0
|
| Available-for-sale investments |
0
|
0
|
| Total assets measured at fair value |
48
|
4
|
| Liabilities, Short-term [Abstract] |
|
|
| Derivative instruments (foreign exchange contracts) |
2
|
8
|
| Liabilities Long-term [Abstract] |
|
|
| Deferred compensation liability |
12
|
11
|
| Total liabilities measured at fair value |
14
|
19
|
| Fair Value, Measurements, Recurring | Level 3 |
|
|
| Assets Short - term [Abstract] |
|
|
| Derivative instruments (foreign exchange contracts) |
0
|
0
|
| Assets, Long-term [Abstract] |
|
|
| Trading securities |
0
|
0
|
| Available-for-sale investments |
0
|
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
|
| Money Market Funds [Member] | Fair Value, Measurements, Recurring |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
549
|
471
|
| Money Market Funds [Member] | Fair Value, Measurements, Recurring | Level 1 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
549
|
471
|
| Money Market Funds [Member] | Fair Value, Measurements, Recurring | Level 2 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
0
|
0
|
| Money Market Funds [Member] | Fair Value, Measurements, Recurring | Level 3 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
0
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
1
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring | Level 1 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
0
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring | Level 2 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
1
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring | Level 3 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
0
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
2
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring | Level 1 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
0
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring | Level 2 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
2
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring | Level 3 |
|
|
| Assets Short - term [Abstract] |
|
|
| Cash equivalents |
0
|
0
|
| US Treasury and Government [Member] |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
26
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
26
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring | Level 1 |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
0
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring | Level 2 |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
26
|
0
|
| US Treasury and Government [Member] | Fair Value, Measurements, Recurring | Level 3 |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
0
|
0
|
| Corporate Debt Securities [Member] |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
14
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
14
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring | Level 1 |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
0
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring | Level 2 |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
14
|
0
|
| Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring | Level 3 |
|
|
| Assets Short - term [Abstract] |
|
|
| Available-for-sale Securities, Debt Securities |
$ 0
|
$ 0
|