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Valuation And Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 02, 2021 | Oct. 03, 2020 | Sep. 28, 2019
Allowance for Doubtful Accounts [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 26 | $ 21 | $ 19
Charged to Costs and Expenses | 5 | 9 | 4
Charged to Other Accounts | 0 | 0 | 0
(Deductions) | (6) | (4) | (2)
Balance at End of Period | 25 | 26 | 21
Inventory Lower of Cost or Market Allowance [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 27 | 34 | 25
Charged to Costs and Expenses | 79 | 102 | 61
Charged to Other Accounts | 0 | 0 | 0
(Deductions) | (59) | (109) | (52)
Balance at End of Period | 47 | 27 | 34
Valuation Allowance on Deferred Tax Assets [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 127 | 86 | 79
Charged to Costs and Expenses | 24 | 35 | 13
Charged to Other Accounts | 0 | 13 | 6
(Deductions) | 0 | (7) | (12)
Balance at End of Period | $ 151 | $ 127 | $ 86

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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