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Goodwill and Purchased Intangible Assets - Schedule of Amortization of Purchased Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended
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Oct. 29, 2022 | Oct. 30, 2021
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | $ 71 | $ 84
Total |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | 229 | 286
Cost of sales |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | 158 | 202
Operating expenses |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization of purchased intangible assets | $ 71 | $ 84

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: 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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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