Shareholders' Equity Stock Appreciation Rights (SARS) (Details) - Stock Appreciation Rights (SARs) [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 30, 2016	Jan. 01, 2016	Dec. 30, 2016	Jan. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Compensation Cost For Cash Settled Stock Appreciation Rights	$ 3	$ (10)	$ 8	$ (11)
Tax expense	(1)	1	(2)	1
Total	$ 2	$ (9)	$ 6	$ (10)

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.

No definition available.

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