Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 25, 2026	Jan. 26, 2025	Oct. 26, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment losses on equity investments	$ 0	$ 0
Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt principal amount	6,500		$ 6,500
Senior Notes \| Level 2 \| Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt fair value	$ 6,100		$ 6,200

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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+ Details

APPLIED MATERIALS INC /DE 10-Q