FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Apr. 30, 2015

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 April 30, 2015 were as follows:

			Fair Value Measurement at April 30, 2015 Using
	April 30, 2015		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)	$	1,553	$	1,553	$	—	$	—
Derivative instruments (foreign exchange contracts)	16		—		16		—
Long-term
Trading securities	35		35		—		—
Total assets measured at fair value	$	1,604	$	1,588	$	16	$	—
Liabilities:
Short-term
Derivative instruments (foreign exchange contracts)	$	9	$	—	$	9	$	—
Long-term
Deferred compensation liability	35		—		35		—
Total liabilities measured at fair value	$	44	$	—	$	44	$	—

Financial assets and liabilities measured at fair value on a recurring basis as of October 31, 2014 were as follows:

			Fair Value Measurement at October 31, 2014 Using
	October 31, 2014		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)	$	1,117	$	1,117	$	—	$	—
Derivative instruments (foreign exchange contracts)	10		—		10		—
Long-term
Trading securities	35		35		—		—
Total assets measured at fair value	$	1,162	$	1,152	$	10	$	—
Liabilities:
Short-term
Derivative instruments (foreign exchange contracts)	$	4	$	—	$	4	$	—
Long-term
Deferred compensation liability	35		—		35		—
Total liabilities measured at fair value	$	39	$	—	$	39	$	—