Derivative Instruments and Hedging Activities - Gain (Loss) on Derivatives in AOCI (Details) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended
Jan. 26, 2020	Jan. 27, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion - gain (loss) recognized in AOCI	$ (11)	$ (16)
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion - gain (loss) recognized in AOCI	7	(16)
Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion - gain (loss) recognized in AOCI	$ (18)	$ 0

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580

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Period Type:	duration