Stockholders’ Deficit - Narrative (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020	Feb. 22, 2020
Stockholders' Equity Note [Abstract]
Repurchases of common stock (in shares)	124.0	224.0	168.0
Payment in connection with repurchases of shares	$ 4,297	$ 6,249	$ 3,107
Share repurchases that will be settled in subsequent period (in shares)		1.6	2.3
Authorized amount				$ 15,000
Share repurchase authorization remaining	$ 2,100

Number of shares that have been repurchased and retired during the period.

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-Name Accounting Standards Codification
-Topic 210
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration