Fair Value Measurements (Tables)

3 Months Ended

Jan. 28, 2018

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 28, 2018						October 29, 2017
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	3,766	$	—	$	3,766	$	2,658	$	—	$	2,658
U.S. Treasury and agency securities	227		27		254		192		489		681
Non-U.S. government securities	—		50		50		—		216		216
Municipal securities	—		1,286		1,286		—		1,348		1,348
Commercial paper, corporate bonds and medium-term notes	—		1,249		1,249		—		1,619		1,619
Asset-backed and mortgage-backed securities	—		394		394		—		378		378
Publicly traded equity securities	114		—		114		99		—		99
Total	$	4,107	$	3,006	$	7,113	$	2,949	$	4,050	$	6,999