Fair Value Measurements (Tables)

3 Months Ended

Jan. 26, 2020

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 26, 2020						October 27, 2019
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Available-for-sale debt security investments
Money market funds	$	1,644	$	—	$	1,644	$	1,677	$	—	$	1,677
U.S. Treasury and agency securities	318		16		334		323		18		341
Non-U.S. government securities	—		4		4		—		10		10
Municipal securities	—		403		403		—		406		406
Commercial paper, corporate bonds and medium-term notes	—		1,110		1,110		—		1,024		1,024
Asset-backed and mortgage-backed securities	—		652		652		—		635		635
Total available-for-sale debt security investments	$	1,962	$	2,185	$	4,147	2,000		2,093		4,093
Equity investments with readily determinable values
Publicly traded equity securities	$	44	$	—	$	44	45		—		45
Total equity investments with readily determinable values	$	44	$	—	$	44	$	45	$	—	$	45
Total	$	2,006	$	2,185	$	4,191	$	2,045	$	2,093	$	4,138