Employee Benefit Plans (Level 3 Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 25, 2020	Oct. 27, 2019	Oct. 28, 2018
Change in plan assets
Beginning fair value of plan assets	$ 409	$ 365	$ 361
Actual return on plan assets:
Currency impact	(19)	5	12
Ending fair value of plan assets	431	409	365
Level 3
Change in plan assets
Beginning fair value of plan assets	36	36
Actual return on plan assets:
Relating to assets still held at reporting date	0	(3)
Purchases, sales, settlements, net	1	4
Currency impact	2	(1)
Ending fair value of plan assets	$ 39	$ 36	$ 36

No definition available.

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- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held.

+ References

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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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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- 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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