FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Jan. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Assets And Liabilities Measured On Recurring Basis

Financial assets and liabilities measured at fair value on a recurring basis as of January 31, 2021 were as follows:

 

			Fair Value Measurement at January 31, 2021 Using
	January 31, 2021		Quoted Prices  in Active  Markets for  Identical Assets  (Level 1)		Significant  Other  Observable  Inputs  (Level 2)		Significant  Unobservable  Inputs  (Level 3)
	(in millions)
Assets:
Short-term
Cash equivalents (money market funds)	$	449	$	449	$	—	$	—
Derivative instruments (foreign exchange contracts)	8		—		8		—
Long-term
Trading securities	31		31		—		—
Other investments	28		—		28		—
Total assets measured at fair value	$	516	$	480	$	36	$	—
Liabilities:
Short-term
Derivative instruments (foreign exchange contracts)	$	17	$	—	$	17	$	—
Long-term
Deferred compensation liability	31		—		31		—
Total liabilities measured at fair value	$	48	$	—	$	48	$	—

Financial assets and liabilities measured at fair value on a recurring basis as of October 31, 2020 were as follows:

			Fair Value Measurement at October 31, 2020 Using
	October 31, 2020		Quoted Prices  in Active  Markets for  Identical Assets  (Level 1)		Significant  Other  Observable  Inputs  (Level 2)		Significant  Unobservable  Inputs  (Level 3)
	(in millions)
Assets:
Short-term
Cash equivalents (money market funds)	$	740	$	740	$	—	$	—
Derivative instruments (foreign exchange contracts)	2		—		2		—
Long-term
Trading securities	30		30		—		—
Other investments	25		—		25		—
Total assets measured at fair value	$	797	$	770	$	27	$	—
Liabilities:
Short-term
Derivative instruments (foreign exchange contracts)	$	17	$	—	$	17	$	—
Long-term
Deferred compensation liability	30		—		30		—
Total liabilities measured at fair value	$	47	$	—	$	47	$	—