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Pensions and Other Post-retirement Benefit Plans - Additional Information (Details) - USD ($) | 12 Months Ended
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Jul. 03, 2020 | Jun. 28, 2019 | Jun. 29, 2018
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial pension gains (losses) | $ 5,000,000 | $ 34,000,000 | $ 1,000,000
Pension Plan | Foreign Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | 366,000,000 |  |
Actuarial pension gains (losses) | (67,000,000) |  |
Prior service credits for defined benefit pension plans included in accumulated other comprehensive income at the balance sheet date | $ 0 |  |
Defined benefit pension plan, estimated expenditure (years) | 5 years |  |
Debt Securities | Pension Plan | Foreign Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target asset allocation for securities | 62.00% |  |
Equity securities | Pension Plan | Foreign Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target asset allocation for securities | 35.00% |  |
Other Assets | Pension Plan | Foreign Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target asset allocation for securities | 3.00% |  |

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 + Details
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- Definition Defined benefit plan estimated annual benefits payment period. + References No definition available. + Details
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- Definition Prior service credits for defined benefit pension plans included in accumulated other comprehensive income at the balance sheet date. + References No definition available. + Details
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