Supplemental Financial Statement Data Supplemental FS Data - Investments by Maturity Date (Details) (USD $) In Millions, unless otherwise specified	Oct. 03, 2014	Jun. 27, 2014
Investments, Equity Securities By Maturity Date [Abstract]
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis	$ 222	$ 284
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis	232	215
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	454	499
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	222	284
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	232	215
Available-for-sale Securities, Debt Maturities, Fair Value	$ 454	$ 499

Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the next rolling twelve months following the latest balance sheet presented. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at fair value maturing in the next rolling twelve months following the latest balance sheet presented.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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