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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jan. 31, 2020 | Jan. 31, 2019
Cash flows from operating activities |  |
Net income | $ 197 | $ 504
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 79 | 54
Share-based compensation | 27 | 24
Deferred taxes | 10 | (281)
Excess and obsolete inventory related charges | 4 | 4
Unrealized gain on equity securities | (16) | 0
Other non-cash expense, net | 2 | 3
Changes in assets and liabilities: |  |
Accounts receivable | (40) | (22)
Inventory | (32) | (12)
Accounts payable | (15) | (16)
Employee compensation and benefits | (80) | (71)
Other assets and liabilities | (195) | 26
Net cash provided by (used in) operating activities | (59) | 213
Cash flows from Investing activities: |  |
Investments in property, plant and equipment | (34) | (39)
Payment to acquire fair value investment | (1) | (2)
Payments in exchange for convertible note | 0 | (1)
Acquisitions of businesses and intangible assets, net of cash acquired | 0 | (248)
Net cash used in investing activities | (35) | (290)
Cash flows from financing activities: |  |
Issuance of common stock under employee stock plans | 32 | 22
Payment of taxes related to net share settlement of equity awards | (33) | (13)
Payment of dividends | (56) | (52)
Purchase of non-controlling interest | 0 | (4)
Proceeds from revolving credit facility | 432 | 0
Repayments of revolving credit facility | 372 | 0
Repayment of finance lease | (4) | 0
Treasury stock repurchases | (60) | (75)
Net cash used in financing activities | (61) | (122)
Effect of exchange rate movements | (1) | 9
Net decrease in cash, cash equivalents and restricted cash | (156) | (190)
Cash, cash equivalents and restricted cash at beginning of period | 1,388 | 2,254
Cash, cash equivalents and restricted cash at end of period | 1,232 | 2,064
Supplemental cash flow information: |  |
Income tax paid, net | 241 | 21
Interest payments | 17 | 25
Non-cash changes in investments in property, plant and equipment - increase (decrease) | $ (9) | $ (13)

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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