Shareholders' Equity - Stock Option Activity (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Mar. 29, 2019 USD ($) $ / shares shares	Mar. 29, 2019 USD ($) $ / shares shares
Number of Shares
Options outstanding, beginning balance, shares \| shares		4.8
Exercised, shares \| shares		(0.4)
Canceled or expired, shares \| shares		(0.3)
Options outstanding, ending balance, shares \| shares	4.1	4.1
Exercisable, period end, shares \| shares	3.2	3.2
Weighted Average Exercise Price Per Share
Options outstanding, beginning balance, exercise price, in dollars per share \| $ / shares		$ 64.23
Exercised, exercise price, in dollars per share \| $ / shares		39.11
Canceled or expired, exercise price, in dollars per share \| $ / shares		80.18
Options outstanding, ending balance, exercise price, in dollars per share \| $ / shares	$ 65.07	65.07
Exercisable, period end, exercise price, in dollars per share \| $ / shares	$ 69.46	$ 69.46
Aggregate Intrinsic Value
Exercised, intrinsic value \| $		$ 7
Options outstanding, ending balance, intrinsic value \| $	$ 9	9
Exercisable, period end, intrinsic value \| $	$ 7	$ 7
Options outstanding, weighted average remaining contractual term	3 years 1 month
Exercisable, period end, weighted average remaining contractual life	2 years 10 months

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.