Financial Instruments (Tables)

12 Months Ended

Oct. 31, 2018

Investments, All Other Investments [Abstract]

Schedule of cash equivalents and available-for-sale investments

Cash equivalents and available-for-sale investments were as follows:

	As of October 31, 2018									As of October 31, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	In millions
Cash Equivalents:
Time deposits	$	781	$	—	$	—		$	781	$	1,159	$	—	$	—		$	1,159
Money market funds	2,340		—		—			2,340		5,592		—		—			5,592
Total cash equivalents	3,121		—		—			3,121		6,751		—		—			6,751
Available-for-Sale Investments:
Foreign bonds	113		18		—			131		183		40		—			223
Other debt securities	26		—		(1		)	25		37		—		(11		)	26
Total available-for-sale investments	139		18		(1		)	156		220		40		(11		)	249
Total cash equivalents and available-for-sale investments	$	3,260	$	18	$	(1	)	$	3,277	$	6,971	$	40	$	(11	)	$	7,000

Schedule of contractual maturities of investments in available-for-sale debt securities

Contractual maturities of investments in available-for-sale debt securities were as follows:

	As of October 31, 2018
	Amortized Cost		Fair Value
	In millions
Due in more than five years	$	139	$	156

Schedule of gross notional and fair value of derivative instruments in the Combined and Consolidated Balance Sheets

The gross notional and fair value of derivative instruments in the Consolidated Balance Sheets was as follows:

	As of October 31, 2018										As of October 31, 2017
			Fair Value										Fair Value
	Outstanding Gross Notional		Other Current Assets		Long-Term Financing Receivables and Other Assets		Other Accrued Liabilities		Long-Term Other Liabilities		Outstanding Gross Notional		Other Current Assets		Long-Term Financing Receivables and Other Assets		Other Accrued Liabilities		Long-Term Other Liabilities
	In millions
Derivatives designated as hedging instruments
Fair value hedges:
Interest rate contracts	$	6,850	$	—	$	—	$	—	$	353	$	9,500	$	—	$	—	$	16	$	126
Cash flow hedges:
Foreign currency contracts	8,423		270		107		11		15		7,202		105		45		101		70
Net investment hedges:
Foreign currency contracts	1,737		32		41		13		11		1,944		35		10		36		41
Total derivatives designated as hedging instruments	17,010		302		148		24		379		18,646		140		55		153		237
Derivatives not designated as hedging instruments
Foreign currency contracts	6,780		41		5		55		12		9,552		61		3		79		8
Other derivatives	104		—		—		6		—		96		1		—		—		—
Total derivatives not designated as hedging instruments	6,884		41		5		61		12		9,648		62		3		79		8
Total derivatives	$	23,894	$	343	$	153	$	85	$	391	$	28,294	$	202	$	58	$	232	$	245

Schedule of information related to the potential effect of entity's master netting agreements and collateral security agreements

As of October 31, 2018 and 2017, information related to the potential effect of the Company's use of the master netting agreements and collateral security agreements was as follows:

	As of October 31, 2018
	In the Consolidated Balance Sheets
	(i)		(ii)		(iii) = (i)–(ii)		(iv)		(v)			(vi) = (iii)–(iv)–(v)
							Gross Amounts Not Offset
	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Derivatives		Financial Collateral			Net Amount
	In millions
Derivative assets	$	496	$	—	$	496	$	179	$	205	(1)	$	112
Derivative liabilities	$	476	$	—	$	476	$	179	$	302	(2)	$	(5	)

	As of October 31, 2017
	In the Consolidated Balance Sheets
	(i)		(ii)		(iii) = (i)–(ii)		(iv)		(v)			(vi) = (iii)–(iv)–(v)
							Gross Amounts Not Offset
	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Derivatives		Financial Collateral			Net Amount
	In millions
Derivative assets	$	260	$	—	$	260	$	209	$	34	(1)	$	17
Derivative liabilities	$	477	$	—	$	477	$	209	$	242	(2)	$	26

(1) Represents the cash collateral posted by counterparties as of the respective reporting date for the Company's asset position, net of derivative amounts that could be offset, as of, generally, two business days prior to the respective reporting date.

(2) Represents the collateral posted by the Company in cash or through re-use of counterparty cash collateral as of the respective reporting date for the Company's liability position, net of derivative amounts that could be offset, as of, generally, two business days prior to the respective reporting date. As of October 31, 2018, $302 million of collateral posted was entirely cash. As of October 31, 2017, of the$242 million of collateral posted, $220 million was in cash and $22 million was through the re-use of counterparty collateral.

Schedule of pre-tax effect of derivative instruments and related hedged items in a fair value hedging relationship

The pre-tax effect of derivative instruments and related hedged items in a fair value hedging relationship for the fiscal years ended October 31, 2018, 2017 and 2016 was as follows:

	Gains (Losses) Recognized in Income on Derivative and Related Hedged Item
Derivative Instrument	Location	2018			2017			2016		Hedged Item	Location	2018		2017		2016
		In millions										In millions
Interest rate contracts	Interest and other, net	$	(211	)	$	(245	)	$	158	Fixed-rate debt	Interest and other, net	$	211	$	245	$	(158	)

Schedule of pre-tax effect of derivative instruments in cash flow and net investment hedging relationships

The pre-tax effect of derivative instruments in cash flow and net investment hedging relationships for the fiscal years ended October 31, 2018, 2017 and 2016 was as follows:

	Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)								Gains (Losses) Reclassified from Accumulated OCI Into Earnings (Effective Portion)
	2018		2017			2016			Location	2018			2017			2016
	In millions									In millions
Cash flow hedges:
Foreign currency contracts	$	163	$	(113	)	$	(71	)	Net revenue	$	(24	)	$	(68	)	$	(48	)
Foreign currency contracts	—		(1		)	1			Cost of products	—			—			—
Foreign currency contracts	—		—			—			Gain on H3C and MphasiS divestitures	—			—			8
Foreign currency contracts	6		159			236			Interest and other, net	16			170			243
Subtotal	169		45			166			Net earnings from continuing operations	(8		)	102			203
Foreign currency contracts	—		1			60			Net loss from discontinued operations	—			43			67
Total cash flow hedges	$	169	$	46		$	226		Net earnings	$	(8	)	$	145		$	270
Net investment hedges:
Foreign currency contracts	$	81	$	(71	)	$	(58	)	Interest and other, net	$	—		$	—		$	—

Schedule of pre-tax effect of derivative instruments not designated as hedging instruments on the Combined and Consolidated Statements of Earnings

The pre-tax effect of derivative instruments not designated as hedging instruments on the Consolidated Statements of Earnings for the fiscal years ended October 31, 2018, 2017 and 2016 was as follows:

	Gains (Losses) Recognized in Income on Derivatives
	Location	2018			2017			2016
		In millions
Foreign currency contracts	Interest and other, net	$	301		$	(443	)	$	(425	)
Other derivatives	Interest and other, net	(6		)	3			(4		)
Total		$	295		$	(440	)	$	(429	)