Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Jul. 27, 2025	Apr. 27, 2025	Jan. 26, 2025	Jul. 28, 2024	Jul. 27, 2025	Jul. 28, 2024	Mar. 31, 2025	Mar. 31, 2023
Equity [Line Items]
Authorized amount							$ 10,000	$ 10,000
Remaining authorized repurchase amount	$ 14,800				$ 14,800
Dividends declared per share (in dollars per share)	$ 0.46	$ 0.46	$ 0.40	$ 0.40	$ 1.32	$ 1.12
Payments of dividends to stockholders					$ 1,019	$ 863
Employee Stock Incentive Plan
Equity [Line Items]
Number of shares available for grant	17.0				17.0
Employee Stock Purchase Plan
Equity [Line Items]
Number of shares available for grant	9.0				9.0
Purchase period					6 months
Number of shares issued under the ESPP (in shares)					1.0	1.0
Employee Stock
Equity [Line Items]
Performance of total shareholder return					100.00%
Total unrecognized compensation expense	$ 1,100				$ 1,100
Weighted average period for unrecognized compensation expense to be recognized					2 years 7 months 6 days
Employee Stock | Employee Stock Purchase Plan
Equity [Line Items]
Purchase price of common stock, percent					85.00%
Performance Shares
Equity [Line Items]
Additional performance-based awards to be earned upon certain levels of achievement (in shares)	0.8				0.8
Weight of metric (as a percent)			50.00%
Award measurement period			3 years
Performance Shares | Minimum
Equity [Line Items]
Award vesting rights, percentage of target amount			0.00%
Performance Shares | Maximum
Equity [Line Items]
Award vesting rights, percentage of target amount			200.00%