Employee Benefit Plans (Level 3 Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Change in plan assets
Beginning fair value of plan assets	$ 431	$ 409	$ 365
Currency impact	(3)	(19)	5
Ending fair value of plan assets	491	431	409
Level 3
Change in plan assets
Beginning fair value of plan assets	39	36
Purchases, sales, settlements, net	72	1
Currency impact	(1)	2
Ending fair value of plan assets	$ 110	$ 39	$ 36

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

+ References

+ Details

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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

+ Details

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- Details

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