Financial Instruments (Amortized Cost And Estimated Fair Value Of Marketable Debt Securities) (Details) (USD $) In Thousands	Jul. 02, 2011
Financial Instruments
Amortized Cost Due in one year or less	$ 1,526,677
Amortized Cost Due after one year through five years	172,816
Amortized Cost Due after five years through ten years	237,061
Amortized Cost Due after ten years	480,826
Amortized Cost Total	2,417,380
Estimated Fair Value Due in one year or less	1,526,789
Estimated Fair Value Due after one year through five years	174,293
Estimated Fair Value Due after five years through ten years	240,519
Estimated Fair Value Due after ten years	484,758
Estimated Fair Value Total	$ 2,426,359