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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Oct. 30, 2015 | Oct. 24, 2014
Cash flows from operating activities: |  |
Net income | $ 84 | $ 248
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 136 | 155
Stock-based compensation | 136 | 130
Deferred income taxes | (79) | (2)
Excess tax benefit from stock-based compensation | (4) | (49)
Other non-cash items, net | 31 | 52
Changes in assets and liabilities: |  |
Accounts receivable | 189 | 222
Inventories | 21 | 15
Other operating assets | 59 | 23
Accounts payable | (60) | (32)
Accrued expenses | (88) | (136)
Deferred revenue and financed unearned services revenue | (137) | (45)
Other operating liabilities | (14) | 16
Net cash provided by operating activities | 274 | 597
Cash flows from investing activities: |  |
Purchases of investments | (886) | (603)
Maturities, sales and collections of investments | 1,674 | 964
Purchases of property and equipment | (84) | (109)
Other investing activities, net | 0 | (1)
Net cash provided by investing activities | 704 | 251
Cash flows from financing activities: |  |
Issuance of common stock under employee stock award plans | 25 | 71
Repurchase of common stock | (613) | (719)
Excess tax benefit from stock-based compensation | 4 | 49
Issuance of long-term debt, net | 0 | 495
Dividends paid | (107) | (105)
Other financing activities, net | (3) | (4)
Net cash used in financing activities | (694) | (213)
Effect of exchange rate changes on cash and cash equivalents | (8) | (21)
Net increase in cash and cash equivalents | 276 | 614
Cash and cash equivalents: |  |
Beginning of period | 1,922 | 2,291
End of period | $ 2,198 | $ 2,905

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X
- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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X
- Definition Amount of cash inflow (outflow) from other long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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X
- Definition The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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