Shareholders' Equity Stock Reserved for Issuance (Details) shares in Millions	Jun. 29, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock reserved for issuance	41
Outstanding Awards And Shares Available For Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock reserved for issuance	36
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock reserved for issuance	5

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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