Fair Value Measurements (Tables)

3 Months Ended

Jan. 27, 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:

	January 27, 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	$	1,911	$	—	$	1,911	$	1,599	$	—	$	1,599
U.S. Treasury and agency securities	343		32		375		297		36		333
Non-U.S. government securities	—		9		9		—		10		10
Municipal securities	—		401		401		—		395		395
Commercial paper, corporate bonds and medium-term notes	—		891		891		—		1,054		1,054
Asset-backed and mortgage-backed securities	—		562		562		—		591		591
Total available-for-sale debt security investments	$	2,254	$	1,895	$	4,149	$	1,896	$	2,086	$	3,982
Equity investments with readily determinable values
Publicly traded equity securities	$	31	$	—	$	31	$	38	$	—	$	38
Total equity investments with readily determinable values	$	31	$	—	$	31	$	38	$	—	$	38
Total	$	2,285	$	1,895	$	4,180	$	1,934	$	2,086	$	4,020