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Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Millions | Mar. 30, 2018 | Jun. 30, 2017
--- | --- | ---
Level 1 | Equity securities and mutual funds |  |
Liabilities |  |
Deferred compensation plan liabilities | $ 45 | $ 46
Level 1 | Equity and fixed income securities |  |
Assets |  |
Deferred compensation plan assets | 47 | 37
Fair Value |  |
Assets |  |
Deferred compensation plan assets | 135 | 112
Investments measured at NAV, assets | 88 | 75
Liabilities |  |
Deferred compensation plan liabilities | 150 | 126
Fair Value | Equity securities and mutual funds |  |
Liabilities |  |
Deferred compensation plan liabilities | 45 | 46
Fair Value | Common/collective trusts and guaranteed investment contracts |  |
Liabilities |  |
Investments measured at NAV, liabilities | 105 | 80
Fair Value | Equity and fixed income securities |  |
Assets |  |
Deferred compensation plan assets | 47 | 37
Fair Value | Equity and fixed income funds |  |
Assets |  |
Investments measured at NAV, assets | 62 | 50
Fair Value | Corporate-owned life insurance |  |
Assets |  |
Investments measured at NAV, assets | $ 26 | $ 25

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- Definition Fair value of investment in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes measurement of net asset value as estimate of fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL6742756-110258 + Details
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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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