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NEW ACCOUNTING PRONOUNCEMENTS - Impact of adopting new guidance (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2019 | Nov. 01, 2018 | Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2016
Cash and cash equivalents | $ 1,382 | $ 2,247 | $ 2,247 | $ 2,678 |
Accounts receivable, net | 930 | 800 | 776 |  |
Inventory | 679 | 628 | 638 |  |
Other current assets | 198 | 190 | 187 |  |
Total current assets | 3,189 | 3,865 | 3,848 |  |
Property, plant and equipment, net | 850 | 822 | 822 |  |
Goodwill | 3,593 | 2,973 | 2,973 | 2,607 |
Other intangible assets, net | 1,107 | 491 | 491 |  |
Long-term Investments | 102 | 75 | 68 |  |
Other assets | 611 | 332 | 339 |  |
Total assets | 9,452 | 8,558 | 8,541 |  |
Accounts payable | 354 | 340 | 340 |  |
Employee compensation and benefits | 334 | 304 | 304 |  |
Deferred revenue | 336 | 313 | 324 |  |
Other accrued liabilities | 440 | 203 | 203 |  |
Total current liabilities | 2,080 | 1,160 | 1,171 |  |
Long-term debt | 1,791 | 1,799 | 1,799 |  |
Retirement and post-retirement benefits | 360 | 239 | 239 |  |
Other long-term liabilities | 473 | 763 | 761 |  |
Total liabilities | 4,704 | 3,961 | 3,970 |  |
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding | 0 | 0 | 0 |  |
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018 issued | 3 | 3 | 3 |  |
Additional paid-in-capital | 5,277 | 5,308 | 5,308 |  |
Accumulated deficit | $ (18) | (303) | (336) |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |  |  |  |
Accumulated other comprehensive loss | $ (514) | (415) | (408) | (346) |
Total stockholders' equity | 4,748 | 4,593 | 4,567 |  |
Non-controlling interest | 0 | 4 | 4 |  |
Total equity | 4,748 | 4,597 | 4,571 | $ 4,835 | $ 4,246
Total liabilities and equity | $ 9,452 | 8,558 | $ 8,541 |  |
Impact of Adopting New Revenue Recognition Guidance [Member] |  |  |  |  |
Cash and cash equivalents |  | 0 |  |  |
Accounts receivable, net |  | 24 |  |  |
Inventory |  | (10) |  |  |
Other current assets |  | 3 |  |  |
Total current assets |  | 17 |  |  |
Property, plant and equipment, net |  | 0 |  |  |
Goodwill |  | 0 |  |  |
Other intangible assets, net |  | 0 |  |  |
Long-term Investments |  | 0 |  |  |
Other assets |  | (3) |  |  |
Total assets |  | 14 |  |  |
Accounts payable |  | 0 |  |  |
Employee compensation and benefits |  | 0 |  |  |
Deferred revenue |  | (11) |  |  |
Other accrued liabilities |  | 0 |  |  |
Total current liabilities |  | (11) |  |  |
Long-term debt |  | 0 |  |  |
Retirement and post-retirement benefits |  | 0 |  |  |
Other long-term liabilities |  | 2 |  |  |
Total liabilities |  | (9) |  |  |
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding |  | 0 |  |  |
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018 issued |  | 0 |  |  |
Additional paid-in-capital |  | 0 |  |  |
Accumulated deficit |  | 23 |  |  |
Accumulated other comprehensive loss |  | 0 |  |  |
Total stockholders' equity |  | 23 |  |  |
Non-controlling interest |  | 0 |  |  |
Total equity |  | 23 |  |  |
Total liabilities and equity |  | 14 |  |  |
Impact of Adopting New Tax Effects in AOCI Guidance [Member] |  |  |  |  |
Cash and cash equivalents |  | 0 |  |  |
Accounts receivable, net |  | 0 |  |  |
Inventory |  | 0 |  |  |
Other current assets |  | 0 |  |  |
Total current assets |  | 0 |  |  |
Property, plant and equipment, net |  | 0 |  |  |
Goodwill |  | 0 |  |  |
Other intangible assets, net |  | 0 |  |  |
Long-term Investments |  | 0 |  |  |
Other assets |  | 0 |  |  |
Total assets |  | 0 |  |  |
Accounts payable |  | 0 |  |  |
Employee compensation and benefits |  | 0 |  |  |
Deferred revenue |  | 0 |  |  |
Other accrued liabilities |  | 0 |  |  |
Total current liabilities |  | 0 |  |  |
Long-term debt |  | 0 |  |  |
Retirement and post-retirement benefits |  | 0 |  |  |
Other long-term liabilities |  | 0 |  |  |
Total liabilities |  | 0 |  |  |
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding |  | 0 |  |  |
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018 issued |  | 0 |  |  |
Additional paid-in-capital |  | 0 |  |  |
Accumulated deficit |  | 7 |  |  |
Accumulated other comprehensive loss |  | (7) |  |  |
Total stockholders' equity |  | 0 |  |  |
Non-controlling interest |  | 0 |  |  |
Total equity |  | 0 |  |  |
Total liabilities and equity |  | 0 |  |  |
Impact of Adopting New Intra-Entity Tax Guidance [Member] |  |  |  |  |
Cash and cash equivalents |  | 0 |  |  |
Accounts receivable, net |  | 0 |  |  |
Inventory |  | 0 |  |  |
Other current assets |  | 0 |  |  |
Total current assets |  | 0 |  |  |
Property, plant and equipment, net |  | 0 |  |  |
Goodwill |  | 0 |  |  |
Other intangible assets, net |  | 0 |  |  |
Long-term Investments |  | 0 |  |  |
Other assets |  | (2) |  |  |
Total assets |  | (2) |  |  |
Accounts payable |  | 0 |  |  |
Employee compensation and benefits |  | 0 |  |  |
Deferred revenue |  | 0 |  |  |
Other accrued liabilities |  | 0 |  |  |
Total current liabilities |  | 0 |  |  |
Long-term debt |  | 0 |  |  |
Retirement and post-retirement benefits |  | 0 |  |  |
Other long-term liabilities |  | 0 |  |  |
Total liabilities |  | 0 |  |  |
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding |  | 0 |  |  |
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018 issued |  | 0 |  |  |
Additional paid-in-capital |  | 0 |  |  |
Accumulated deficit |  | (2) |  |  |
Accumulated other comprehensive loss |  | 0 |  |  |
Total stockholders' equity |  | (2) |  |  |
Non-controlling interest |  | 0 |  |  |
Total equity |  | (2) |  |  |
Total liabilities and equity |  | (2) |  |  |
Impact of Adopting New Investments Valuation Guidance [Member] |  |  |  |  |
Cash and cash equivalents |  | 0 |  |  |
Accounts receivable, net |  | 0 |  |  |
Inventory |  | 0 |  |  |
Other current assets |  | 0 |  |  |
Total current assets |  | 0 |  |  |
Property, plant and equipment, net |  | 0 |  |  |
Goodwill |  | 0 |  |  |
Other intangible assets, net |  | 0 |  |  |
Long-term Investments |  | 7 |  |  |
Other assets |  | (2) |  |  |
Total assets |  | 5 |  |  |
Accounts payable |  | 0 |  |  |
Employee compensation and benefits |  | 0 |  |  |
Deferred revenue |  | 0 |  |  |
Other accrued liabilities |  | 0 |  |  |
Total current liabilities |  | 0 |  |  |
Long-term debt |  | 0 |  |  |
Retirement and post-retirement benefits |  | 0 |  |  |
Other long-term liabilities |  | 0 |  |  |
Total liabilities |  | 0 |  |  |
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding |  | 0 |  |  |
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018 issued |  | 0 |  |  |
Additional paid-in-capital |  | 0 |  |  |
Accumulated deficit |  | 5 |  |  |
Accumulated other comprehensive loss |  | 0 |  |  |
Total stockholders' equity |  | 5 |  |  |
Non-controlling interest |  | 0 |  |  |
Total equity |  | 5 |  |  |
Total liabilities and equity |  | $ 5 |  |  |

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