Fair Value Measurements (Tables)

3 Months Ended

Jan. 29, 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:

	January 29, 2017						October 30, 2016
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	1,533	$	—	$	1,533	$	1,889	$	—	$	1,889
U.S. Treasury and agency securities	83		69		152		107		98		205
Non-U.S. government securities	—		66		66		—		15		15
Municipal securities	—		769		769		—		661		661
Commercial paper, corporate bonds and medium-term notes	—		814		814		—		415		415
Asset-backed and mortgage-backed securities	—		264		264		—		253		253
Publicly traded equity securities	72		—		72		67		—		67
Total	$	1,688	$	1,982	$	3,670	$	2,063	$	1,442	$	3,505