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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 03, 2020 | Aug. 29, 2019 | Aug. 30, 2018
Cash flows from operating activities |  |  |
Net income | $ 2,710 | $ 6,358 | $ 14,138
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation expense and amortization of intangible assets | 5,650 | 5,424 | 4,759
Amortization of debt discount and other costs | 26 | 49 | 101
Stock-based compensation | 328 | 243 | 198
(Gains) losses on debt prepayments, repurchases, and conversions | (40) | 396 | 385
Change in operating assets and liabilities |  |  |
Receivables | (723) | 2,431 | (1,734)
Inventories | (489) | (1,528) | (472)
Accounts payable and accrued expenses | 725 | (174) | 668
Deferred income taxes, net | 79 | 150 | (265)
Other | 40 | (160) | (378)
Net cash provided by operating activities | 8,306 | 13,189 | 17,400
Cash flows from investing activities |  |  |
Expenditures for property, plant, and equipment | (8,223) | (9,780) | (8,879)
Purchases of available-for-sale securities | (1,857) | (4,218) | (760)
Proceeds from sales of available-for-sale securities | 1,458 | 1,504 | 604
Proceeds from maturities of available-for-sale securities | 814 | 1,541 | 320
Proceeds from government incentives | 262 | 748 | 355
Other | (43) | 120 | 144
Net cash provided by (used for) investing activities | (7,589) | (10,085) | (8,216)
Cash flows from financing activities |  |  |
Repayments of debt | (4,366) | (3,340) | (10,194)
Acquisition of noncontrolling interest in IMFT | (744) | 0 | 0
Payments to acquire treasury stock | (251) | (2,729) | (71)
Payments on equipment purchase contracts | (63) | (75) | (206)
Proceeds from issuance of debt | 5,000 | 3,550 | 1,009
Proceeds from issuance of stock | 225 | 179 | 1,655
Other | (118) | (23) | 31
Net cash provided by (used for) financing activities | (317) | (2,438) | (7,776)
Effect of changes in currency exchange rates on cash, cash equivalents, and restricted cash | 11 | 26 | (37)
Net increase (decrease) in cash, cash equivalents, and restricted cash | 411 | 692 | 1,371
Cash, cash equivalents, and restricted cash at beginning of period | 7,279 | 6,587 | 5,216
Cash, cash equivalents, and restricted cash at end of period | 7,690 | 7,279 | 6,587
Supplemental disclosures |  |  |
Income taxes paid, net | (167) | (524) | (226)
Interest paid, net of amounts capitalized | (165) | (53) | (312)
Noncash equipment acquisitions on contracts payable | $ 278 | $ 119 | $ 84

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- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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