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Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) - USD ($) $ in Millions | 12 Months Ended
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Jul. 27, 2019 | Jul. 28, 2018
Goodwill [Roll Forward] |  |
Beginning balance | $ 31,706 | $ 29,766
Acquisitions & Divestitures | 2,000 | 2,017
Other | (177) | (77)
Ending balance | 33,529 | 31,706
Americas |  |
Goodwill [Roll Forward] |  |
Beginning balance | 19,998 | 18,691
Acquisitions & Divestitures | 1,240 | 1,355
Other | (118) | (48)
Ending balance | 21,120 | 19,998
EMEA |  |
Goodwill [Roll Forward] |  |
Beginning balance | 7,529 | 7,057
Acquisitions & Divestitures | 486 | 491
Other | (38) | (19)
Ending balance | 7,977 | 7,529
APJC |  |
Goodwill [Roll Forward] |  |
Beginning balance | 4,179 | 4,018
Acquisitions & Divestitures | 274 | 171
Other | (21) | (10)
Ending balance | $ 4,432 | $ 4,179

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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