Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Apr. 27, 2025	Jan. 26, 2025	Apr. 28, 2024	Apr. 27, 2025	Apr. 28, 2024	Mar. 31, 2025	Mar. 31, 2023
Equity [Line Items]
Authorized amount						$ 10,000	$ 10,000
Remaining authorized repurchase amount	$ 15,900			$ 15,900
Dividends declared per share (in dollars per share)	$ 0.46	$ 0.40	$ 0.40	$ 0.86	$ 0.72
Payments of dividends to stockholders				$ 651	$ 532
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	1.0	1.0
Employee Stock
Equity [Line Items]
Performance of total shareholder return				100.00%
Total unrecognized compensation expense	$ 1,200			$ 1,200
Weighted average period for unrecognized compensation expense to be recognized				2 years 8 months 12 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%