For an unclassified balance sheet, this item represents investments in debt and equity securities which are categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature within one year from the balance sheet date or the normal operating cycle, whichever is longer.

+ References

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+ Details

Financial Instruments (Available-For-Sale Securities) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012 Cash Equivalents [Member]	Dec. 31, 2011 Cash Equivalents [Member]	Jun. 30, 2012 Cash Equivalents [Member] Money Market Funds [Member]	Dec. 31, 2011 Cash Equivalents [Member] Money Market Funds [Member]	Jun. 30, 2012 Cash Equivalents [Member] Commercial Paper [Member]	Dec. 31, 2011 Cash Equivalents [Member] Commercial Paper [Member]	Jun. 30, 2012 Cash Equivalents [Member] U.S. Treasury and U.S. Agency Notes [Member]	Dec. 31, 2011 Cash Equivalents [Member] U.S. Treasury and U.S. Agency Notes [Member]	Jun. 30, 2012 Marketable Securities [Member]	Dec. 31, 2011 Marketable Securities [Member]	Jun. 30, 2012 Marketable Securities [Member] Commercial Paper [Member]	Dec. 31, 2011 Marketable Securities [Member] Commercial Paper [Member]	Jun. 30, 2012 Marketable Securities [Member] U.S. Treasury and U.S. Agency Notes [Member]	Dec. 31, 2011 Marketable Securities [Member] U.S. Treasury and U.S. Agency Notes [Member]	Jun. 30, 2012 Marketable Securities [Member] Time Deposits [Member]	Dec. 31, 2011 Marketable Securities [Member] Time Deposits [Member]	Jun. 30, 2012 Marketable Securities [Member] Auction Rate Securities [Member]	Dec. 31, 2011 Marketable Securities [Member] Auction Rate Securities [Member]	Jun. 30, 2012 Marketable Securities [Member] Marketable Equity Securities [Member]	Dec. 31, 2011 Marketable Securities [Member] Marketable Equity Securities [Member]	Jun. 30, 2012 Long-Term Marketable Securities [Member]	Dec. 31, 2011 Long-Term Marketable Securities [Member]	Jun. 30, 2012 Long-Term Marketable Securities [Member] Money Market Funds [Member]	Dec. 31, 2011 Long-Term Marketable Securities [Member] Money Market Funds [Member]	Jun. 30, 2012 Long-Term Marketable Securities [Member] Corporate Bonds [Member]	Dec. 31, 2011 Long-Term Marketable Securities [Member] Corporate Bonds [Member]	Jun. 30, 2012 Other Assets [Member]	Dec. 31, 2011 Other Assets [Member]	Jun. 30, 2012 Other Assets [Member] Money Market Funds [Member]	Dec. 31, 2011 Other Assets [Member] Money Market Funds [Member]	Jun. 30, 2012 Auction Rate Securities [Member]
Financial Instrument [Line Items]
Available-for-sale Securities Pledged as Collateral	$ 10
Sales Of Available-For-Sale Securities	6	13
Fair Value			894	739	294	738	350	1	250	0	564	896	406	698	50	0	75	160	32	38	1	0	180	149	1	9	179	140	10	10	10	10
Available-for-sale Securities, Debt Securities, Current																																	$ 32