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DERIVATIVES- Text (Details) $ in Millions |  |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 06, 2019 USD ($) | Sep. 15, 2016 USD ($) | Jan. 31, 2021 USD ($) | Jan. 31, 2020 USD ($) | Aug. 16, 2019 USD ($) | Feb. 01, 2016 USD ($) contracts | Sep. 13, 2012 USD ($) | Jul. 01, 2012 USD ($)
Derivative Instruments and Hedging Activities Disclosure |  |  |  |  |  |  |  |
Aggregate fair value of all derivative instruments with credit-risk-related contingent features that were in a net liability position |  |  | $ 13 |  |  |  |  |
Senior Notes 2022 |  |  |  |  |  |  |  |
Terminated Derivative Contracts |  |  |  |  |  |  |  |
Repayments of Senior Debt |  |  | 100 |  |  |  |  |
Aggregate face amount of debt |  |  |  |  |  |  | $ 400 |
Senior Notes 2022 | Treasury Lock [Member] | Derivatives Designated as Hedging Instrument | Cash Flow Hedging |  |  |  |  |  |  |  |
Terminated Derivative Contracts |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  |  |  | $ 400
Remaining gain (loss) to be amortized on derivative |  |  | 1 |  |  |  |  |
Senior Notes 2026 | Interest Rate Swap | Derivatives Designated as Hedging Instrument | Cash Flow Hedging |  |  |  |  |  |  |  |
Terminated Derivative Contracts |  |  |  |  |  |  |  |
Number of interest rate swap contracts terminated | contracts |  |  |  |  |  | 3 |  |
Derivative, Notional Amount |  |  |  |  |  | $ 300 |  |
Interest rate swap payments |  | $ 10 |  |  |  |  |  |
Remaining gain (loss) to be amortized on derivative |  |  | 5 |  |  |  |  |
Senior Notes 2029 | Treasury Lock [Member] | Derivatives Designated as Hedging Instrument | Cash Flow Hedging |  |  |  |  |  |  |  |
Terminated Derivative Contracts |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | $ 250 |  |  |
Interest rate swap payments | $ 6 |  |  |  |  |  |  |
Remaining gain (loss) to be amortized on derivative |  |  | 5 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) | Foreign Exchange Contracts | Derivatives Designated as Hedging Instrument | Cash Flow Hedging |  |  |  |  |  |  |  |
Net Investment Hedge |  |  |  |  |  |  |  |
Gain (loss) recognized in accumulated other comprehensive loss |  |  | (6) | $ 1 |  |  |  |
Accumulated Other Comprehensive Income (Loss) | Foreign Exchange Contracts | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] |  |  |  |  |  |  |  |
Net Investment Hedge |  |  |  |  |  |  |  |
Gain (loss) recognized in accumulated other comprehensive loss |  |  | $ (4) | $ 0 |  |  |  |

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