Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

NEW ACCOUNTING PRONOUNCEMENTS - Textuals (Details) - USD ($) $ in Millions		3 Months Ended
	Nov. 01, 2018	Jan. 31, 2019	Jan. 31, 2018	Oct. 31, 2018	Oct. 31, 2017
Current federal tax rate		21.00%
Restricted cash in other assets		$ 7		$ 7
Cash, cash equivalents and restricted cash		2,064	$ 2,896	2,254	$ 2,686
Current assets:
Cash and cash equivalents	$ 2,247	2,057		2,247
Accounts receivable, net	800	833		776
Inventory	628	653		638
Other current assets	190	169		187
Total current assets	3,865	3,712		3,848
Property, plant and equipment, net	822	829		822
Goodwill	2,973	3,133		2,973
Other intangible assets, net	491	566		491
Long-term investments	75	77		68
Other assets	332	635		339
Total assets	8,558	8,952		8,541
Current liabilities:
Accounts payable	340	315		340
Employee compensation and benefits	304	237		304
Deferred revenue	313	346		324
Other accrued liabilities	203	197		203
Total current liabilities	1,160	1,095		1,171
Long-term debt	1,799	1,798		1,799
Retirement and post-retirement benefits	239	238		239
Other long-term liabilities	763	785		761
Total liabilities	3,961	3,916		3,970
Stockholders' equity:
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding	0	0		0
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018, issued	3	3		3
Additional paid-in-capital	5,308	5,324		5,308
Retained earnings (accumulated deficit)	(303)	90		(336)
Accumulated other comprehensive loss	(415)	(381)		(408)
Total stockholder's equity	4,593	5,036		4,567
Non-controlling interest	4	0		4
Total equity	4,597	5,036		4,571
Total liabilities and equity	8,558	8,952		$ 8,541
Reclassification of the other components of net benefit costs from operating expenses to other income and (expense), net	(7)	(7)
Impact of Adopting New Revenue Guidance
Current assets:
Cash and cash equivalents	0
Accounts receivable, net	24
Inventory	(10)
Other current assets	3
Total current assets	17
Property, plant and equipment, net	0
Goodwill	0
Other intangible assets, net	0
Long-term investments	0
Other assets	(3)
Total assets	14
Current liabilities:
Accounts payable	0
Employee compensation and benefits	0
Deferred revenue	(11)
Other accrued liabilities	0
Total current liabilities	(11)
Long-term debt	0
Retirement and post-retirement benefits	0
Other long-term liabilities	2
Total liabilities	(9)
Stockholders' equity:
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding	0
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018, issued	0
Additional paid-in-capital	0
Retained earnings (accumulated deficit)	23
Accumulated other comprehensive loss	0
Total stockholder's equity	23
Non-controlling interest	0
Total equity	23
Total liabilities and equity	14
Impact of Adopting New Tax Effects in AOCI Guidance
Current assets:
Cash and cash equivalents	0
Accounts receivable, net	0
Inventory	0
Other current assets	0
Total current assets	0
Property, plant and equipment, net	0
Goodwill	0
Other intangible assets, net	0
Long-term investments	0
Other assets	0
Total assets	0
Current liabilities:
Accounts payable	0
Employee compensation and benefits	0
Deferred revenue	0
Other accrued liabilities	0
Total current liabilities	0
Long-term debt	0
Retirement and post-retirement benefits	0
Other long-term liabilities	0
Total liabilities	0
Stockholders' equity:
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding	0
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018, issued	0
Additional paid-in-capital	0
Retained earnings (accumulated deficit)	7
Accumulated other comprehensive loss	(7)
Total stockholder's equity	0
Non-controlling interest	0
Total equity	0
Total liabilities and equity	0
Impact of Adopting New Intra-Entity Tax Guidance
Current assets:
Cash and cash equivalents	0
Accounts receivable, net	0
Inventory	0
Other current assets	0
Total current assets	0
Property, plant and equipment, net	0
Goodwill	0
Other intangible assets, net	0
Long-term investments	0
Other assets	(2)
Total assets	(2)
Current liabilities:
Accounts payable	0
Employee compensation and benefits	0
Deferred revenue	0
Other accrued liabilities	0
Total current liabilities	0
Long-term debt	0
Retirement and post-retirement benefits	0
Other long-term liabilities	0
Total liabilities	0
Stockholders' equity:
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding	0
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018, issued	0
Additional paid-in-capital	0
Retained earnings (accumulated deficit)	(2)
Accumulated other comprehensive loss	0
Total stockholder's equity	(2)
Non-controlling interest	0
Total equity	(2)
Total liabilities and equity	(2)
Impact of Adopting New Investments Valuation Guidance
Current assets:
Cash and cash equivalents	0
Accounts receivable, net	0
Inventory	0
Other current assets	0
Total current assets	0
Property, plant and equipment, net	0
Goodwill	0
Other intangible assets, net	0
Long-term investments	7
Other assets	(2)
Total assets	5
Current liabilities:
Accounts payable	0
Employee compensation and benefits	0
Deferred revenue	0
Other accrued liabilities	0
Total current liabilities	0
Long-term debt	0
Retirement and post-retirement benefits	0
Other long-term liabilities	0
Total liabilities	0
Stockholders' equity:
Preferred stock; $0.01 par value; 125 million shares authorized; none issued and outstanding	0
Common stock; $0.01 par value; 2 billion shares authorized; 318 million shares at October 31, 2018, issued	0
Additional paid-in-capital	0
Retained earnings (accumulated deficit)	5
Accumulated other comprehensive loss	0
Total stockholder's equity	5
Non-controlling interest	0
Total equity	5
Total liabilities and equity	$ 5
Impact of Adopting New Retirement Benefits Guidance
Stockholders' equity:
Reclassification of the other components of net benefit costs from operating expenses to other income and (expense), net		$ 3	$ 10