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Restructuring and Other Charges - Schedule of Activities Related to Restructuring and Other Charges (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Oct. 30, 2021 | Oct. 24, 2020
Restructuring Reserve [Roll Forward] |  |
Liability, beginning of period | $ 34 | $ 72
Charges | 5 | 602
Cash payments | (9) | (330)
Non-cash items | (4) | (11)
Liability, end of period | 26 | 333
FISCAL 2020 AND PRIOR PLANS | Employee Severance |  |
Restructuring Reserve [Roll Forward] |  |
Liability, beginning of period | 0 | 58
Charges | 0 | 0
Cash payments | 0 | (58)
Non-cash items | 0 | 0
Liability, end of period | 0 | 0
FISCAL 2020 AND PRIOR PLANS | Other |  |
Restructuring Reserve [Roll Forward] |  |
Liability, beginning of period | 10 | 14
Charges | (1) | 0
Cash payments | (1) | 0
Non-cash items | 0 | 0
Liability, end of period | 8 | 14
FISCAL 2021 PLAN | Employee Severance |  |
Restructuring Reserve [Roll Forward] |  |
Liability, beginning of period | 16 | 0
Charges | 4 | 590
Cash payments | (8) | (272)
Non-cash items | 0 | 0
Liability, end of period | 12 | 318
FISCAL 2021 PLAN | Other |  |
Restructuring Reserve [Roll Forward] |  |
Liability, beginning of period | 8 | 0
Charges | 2 | 12
Cash payments | 0 | 0
Non-cash items | (4) | (11)
Liability, end of period | $ 6 | $ 1

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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