Fair Value Measurements (Tables)

9 Months Ended

Jul. 30, 2017

Fair Value Disclosures [Abstract]

Financial assets measured at fair value on a recurring basis

Financial assets (excluding cash balances) measured at fair value on a recurring basis are summarized below:

	July 30, 2017						October 30, 2016
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	3,055	$	—	$	3,055	$	1,889	$	—	$	1,889
U.S. Treasury and agency securities	149		478		627		107		98		205
Non-U.S. government securities	—		159		159		—		15		15
Municipal securities	—		1,331		1,331		—		661		661
Commercial paper, corporate bonds and medium-term notes	—		1,503		1,503		—		415		415
Asset-backed and mortgage-backed securities	—		316		316		—		253		253
Publicly traded equity securities	100		—		100		67		—		67
Total	$	3,304	$	3,787	$	7,091	$	2,063	$	1,442	$	3,505