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Property, Plant, and Equipment | 12 Months Ended
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Apr. 24, 2020
Property, Plant and Equipment [Abstract] |
Property, Plant, and Equipment | Property, Plant, and Equipment Property, plant, and equipment balances and corresponding estimated useful lives were as follows:
(in millions) | April 24, 2020 |  | April 26, 2019 |  | Estimated Useful Lives (in years)
Equipment | $ | 5,859 |  |  | $ | 5,519 |  |  | Generally 2-7, up to 15
Computer software | 2,131 |  |  | 1,842 |  |  | Up to 5
Land and land improvements | 175 |  |  | 181 |  |  | Up to 20
Buildings and leasehold improvements | 2,277 |  |  | 2,267 |  |  | Up to 40
Construction in progress | 1,202 |  |  | 1,111 |  |  | — |
Property, plant, and equipment | 11,644 |  |  | 10,920 |  |  |
Less: Accumulated depreciation | (6,816) |  |  | (6,245) |  |  |
Property, plant, and equipment, net | $ | 4,828 |  |  | $ | 4,675 |  |  |
Depreciation expense of $907 million, $895 million, and $821 million was recognized in fiscal years 2020, 2019, and 2018, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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