Pensions and Other Post-retirement Benefit Plans - Unfunded Amounts Recognized on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Jul. 02, 2021	Jul. 03, 2020
Retirement Benefits [Abstract]
Current liabilities	$ 1	$ 1
Non-current liabilities	131	150
Net amount recognized	$ 132	$ 151

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant