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Commitments and Contingencies - Changes in Accrued Warranties and Related Costs (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Jun. 25, 2016 | Jun. 27, 2015 | Jun. 25, 2016 | Jun. 27, 2015
Movement in Standard Product Warranty Accrual [Roll Forward] |  |  |  |
Beginning accrued warranty and related costs | $ 4,985 | $ 5,143 | $ 4,780 | $ 4,159
Cost of warranty claims | (1,110) | (1,077) | (3,507) | (3,151)
Accruals for product warranty | 380 | 1,071 | 2,982 | 4,129
Ending accrued warranty and related costs | $ 4,255 | $ 5,137 | $ 4,255 | $ 5,137

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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