LONG-TERM DEBT - Carrying Value (Details) - USD ($)
$ in Millions |
Oct. 31, 2017 |
Oct. 31, 2016 |
Feb. 01, 2016 |
| Debt Instrument [Line Items] |
|
|
|
| Debt Instrument Net Discount Premium Amount |
$ 1,790
|
$ 1,888
|
|
| Interest Rate Swap |
11
|
16
|
$ 300
|
| Long-term Debt, Gross |
1,801
|
1,904
|
|
| Senior Notes 2017 [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt Instrument Net Discount Premium Amount |
0
|
100
|
|
| Interest Rate Swap |
0
|
1
|
|
| Long-term Debt, Gross |
0
|
101
|
|
| Senior Notes 2020 [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt Instrument Net Discount Premium Amount |
499
|
498
|
|
| Interest Rate Swap |
11
|
15
|
|
| Long-term Debt, Gross |
510
|
513
|
|
| Senior Notes 2022 [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt Instrument Net Discount Premium Amount |
398
|
398
|
|
| Interest Rate Swap |
0
|
0
|
|
| Long-term Debt, Gross |
398
|
398
|
|
| Senior Notes 2023 [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt Instrument Net Discount Premium Amount |
596
|
595
|
|
| Interest Rate Swap |
0
|
0
|
|
| Long-term Debt, Gross |
596
|
595
|
|
| Senior Notes 2026 [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt Instrument Net Discount Premium Amount |
297
|
297
|
|
| Interest Rate Swap |
0
|
0
|
|
| Long-term Debt, Gross |
$ 297
|
297
|
|
| Adjustments for New Accounting Pronouncement [Member] | Long-term Debt [Member] |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Decrease related to debt issuance costs |
|
$ 8
|
|