NEW ACCOUNTING PRONOUNCEMENTS - Textuals (Details) - USD ($) $ in Millions | Nov. 01, 2018 | Jan. 31, 2019 | Jan. 31, 2018 | Oct. 31, 2018 | Oct. 31, 2017 |
Current federal tax rate | | 21.00% | | | |
Restricted cash in other assets | | $ 7 | | $ 7 | |
Cash, cash equivalents and restricted cash | | 2,064 | $ 2,896 | 2,254 | $ 2,686 |
Current assets: | | | | | |
Cash and cash equivalents | $ 2,247 | 2,057 | | 2,247 | |
Accounts receivable, net | 800 | 833 | | 776 | |
Inventory | 628 | 653 | | 638 | |
Other current assets | 190 | 169 | | 187 | |
Total current assets | 3,865 | 3,712 | | 3,848 | |
Property, plant and equipment, net | 822 | 829 | | 822 | |
Goodwill | 2,973 | 3,133 | | 2,973 | |
Other intangible assets, net | 491 | 566 | | 491 | |
Long-term investments | 75 | 77 | | 68 | |
Other assets | 332 | 635 | | 339 | |
Total assets | 8,558 | 8,952 | | 8,541 | |
Current liabilities: | | | | | |
Accounts payable | 340 | 315 | | 340 | |
Employee compensation and benefits | 304 | 237 | | 304 | |
Deferred revenue | 313 | 346 | | 324 | |
Other accrued liabilities | 203 | 197 | | 203 | |
Total current liabilities | 1,160 | 1,095 | | 1,171 | |
Long-term debt | 1,799 | 1,798 | | 1,799 | |
Retirement and post-retirement benefits | 239 | 238 | | 239 | |
Other long-term liabilities | 763 | 785 | | 761 | |
Total liabilities | 3,961 | 3,916 | | 3,970 | |
Stockholders' equity: | | | | | |
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 | 5,308 | 5,324 | | 5,308 | |
Retained earnings (accumulated deficit) | (303) | 90 | | (336) | |
Accumulated other comprehensive loss | (415) | (381) | | (408) | |
Total stockholder's equity | 4,593 | 5,036 | | 4,567 | |
Non-controlling interest | 4 | 0 | | 4 | |
Total equity | 4,597 | 5,036 | | 4,571 | |
Total liabilities and equity | 8,558 | 8,952 | | $ 8,541 | |
Reclassification of the other components of net benefit costs from operating expenses to other income and (expense), net | (7) | (7) | | | |
Impact of Adopting New Revenue Guidance | | | | | |
Current assets: | | | | | |
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 | | | | |
Current liabilities: | | | | | |
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) | | | | |
Stockholders' equity: | | | | | |
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 | | | | |
Retained earnings (accumulated deficit) | 23 | | | | |
Accumulated other comprehensive loss | 0 | | | | |
Total stockholder's equity | 23 | | | | |
Non-controlling interest | 0 | | | | |
Total equity | 23 | | | | |
Total liabilities and equity | 14 | | | | |
Impact of Adopting New Tax Effects in AOCI Guidance | | | | | |
Current assets: | | | | | |
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 | | | | |
Current liabilities: | | | | | |
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 | | | | |
Stockholders' equity: | | | | | |
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 | | | | |
Retained earnings (accumulated deficit) | 7 | | | | |
Accumulated other comprehensive loss | (7) | | | | |
Total stockholder's equity | 0 | | | | |
Non-controlling interest | 0 | | | | |
Total equity | 0 | | | | |
Total liabilities and equity | 0 | | | | |
Impact of Adopting New Intra-Entity Tax Guidance | | | | | |
Current assets: | | | | | |
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) | | | | |
Current liabilities: | | | | | |
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 | | | | |
Stockholders' equity: | | | | | |
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 | | | | |
Retained earnings (accumulated deficit) | (2) | | | | |
Accumulated other comprehensive loss | 0 | | | | |
Total stockholder's equity | (2) | | | | |
Non-controlling interest | 0 | | | | |
Total equity | (2) | | | | |
Total liabilities and equity | (2) | | | | |
Impact of Adopting New Investments Valuation Guidance | | | | | |
Current assets: | | | | | |
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 | | | | |
Current liabilities: | | | | | |
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 | | | | |
Stockholders' equity: | | | | | |
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 | | | | |
Retained earnings (accumulated deficit) | 5 | | | | |
Accumulated other comprehensive loss | 0 | | | | |
Total stockholder's equity | 5 | | | | |
Non-controlling interest | 0 | | | | |
Total equity | 5 | | | | |
Total liabilities and equity | $ 5 | | | | |
Impact of Adopting New Retirement Benefits Guidance | | | | | |
Stockholders' equity: | | | | | |
Reclassification of the other components of net benefit costs from operating expenses to other income and (expense), net | | $ 3 | $ 10 | | |