Fair Value of Financial Assets and Liabilities (Tables)

3 Months Ended

Apr. 26, 2015

Notes to financial statements [Abstract]

Financial assets measured at Fair Value

			Fair Value Measurement as of April 26, 2015 Using
			Quoted Prices  in Active Markets for Identical Assets		Significant Other Observable Inputs
	April 26, 2015		(Level 1)		(Level 2)
	(In millions)
Corporate debt securities (1)	$	2,217	$	—	$	2,217
Debt securities of United States government agencies (2)	969		—		969
Asset-backed securities (3)	480		—		480
Debt securities issued by United States Treasury (3)	416		—		416
Mortgage-backed securities issued by government-sponsored enterprises (3)	264		—		264
Foreign government bonds (3)	81		—		81
Money market funds (4)	19		19		—
Total cash equivalents and marketable securities	$	4,446	$	19	$	4,427

(1) Includes $95 million in cash equivalents and $2.12 billion in marketable securities on the Condensed Consolidated Balance Sheets.

(2) Includes $4 million in cash equivalents and $965 million in marketable securities on the Condensed Consolidated Balance Sheets.

(3)   Included in marketable securities on the Condensed Consolidated Balance Sheets.

(4) Included in cash equivalents on the Condensed Consolidated Balance Sheet