MARKETABLE SECURITIES (Tables)

12 Months Ended

Oct. 31, 2016

The amortized cost and fair value of marketable securities at October 31 in millions of dollars follow:


			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
2016
Equity fund	$	40	$	5			$	45
Fixed income fund		15						15
U.S. government debt securities		85		3				88
Municipal debt securities		41		2				43
Corporate debt securities		113		5				118
International debt securities		39			$	5		34
Mortgage-backed securities*		109		2				111
Marketable securities	$	442	$	17	$	5	$	454
2015
Equity fund	$	38	$	5			$	43
U.S. government debt securities		79		3				82
Municipal debt securities		29		2				31
Corporate debt securities		121		4	$	1		124
International debt securities		48				1		47
Mortgage-backed securities*		108		3		1		110
Marketable securities	$	423	$	17	$	3	$	437

* Primarily issued by U.S. government sponsored enterprises.

The contractual maturities of debt securities at October 31, 2016 in millions of dollars follow:


	Amortized		Fair
	Cost		Value
Due in one year or less	$	35	$	34
Due after one through five years		104		103
Due after five through 10 years		87		91
Due after 10 years		52		55
Mortgage-backed securities		109		111
Debt securities	$	387	$	394