Fair Value Measurements (Tables)

9 Months Ended

Jul. 28, 2019

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 28, 2019						October 28, 2018
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Available-for-sale debt security investments
Money market funds	$	2,010	$	—	$	2,010	$	1,599	$	—	$	1,599
U.S. Treasury and agency securities	323		22		345		297		36		333
Non-U.S. government securities	—		9		9		—		10		10
Municipal securities	—		394		394		—		395		395
Commercial paper, corporate bonds and medium-term notes	—		766		766		—		1,054		1,054
Asset-backed and mortgage-backed securities	—		616		616		—		591		591
Total available-for-sale debt security investments	$	2,333	$	1,807	$	4,140	$	1,896	$	2,086	$	3,982
Equity investments with readily determinable values
Publicly traded equity securities	$	42	$	—	$	42	$	38	$	—	$	38
Total equity investments with readily determinable values	$	42	$	—	$	42	$	38	$	—	$	38
Total	$	2,375	$	1,807	$	4,182	$	1,934	$	2,086	$	4,020