Income Taxes - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Apr. 29, 2022	Apr. 30, 2021	Apr. 24, 2020	Apr. 26, 2019
Operating Loss Carryforwards [Line Items]
Undistributed earnings from non-U.S. subsidiaries	$ 79,300	$ 74,200
Tax credit carryforward	254
Tax credit carryforward, no expiration	120
Valuation allowance	6,583	5,822
Net benefit from certain tax adjustments	50	41	$ 1,200
Benefit associated with tax basis for Swiss Cantonal	82	106
Tax expense (benefit) related to tax basis adjustment, intercompany intellectual property transactions	(82)	73
Tax expense associated with the amortization of the previously established deferred tax assets	47	50
Tax expense related to internal restructuring and intercompany sale of assets	41
Intercompany sale of assets	26	25
Deferred tax assets, goodwill and intangible assets		$ 1,500
Amortization period of deferred tax asset		20 years
Tax benefit related to capitalization of research and development costs		$ 83
Benefit from U.S. tax reform			63
Benefit related to tax legislative changes in Switzerland			252
Benefit related to release of valuation allowance			658
Tax benefit from intercompany sale of intellectual property			269
Gross unrecognized tax benefits	1,661	1,668	1,862	$ 1,836
Unrecognized tax benefits that would impact effective tax rate	1,600	1,600	1,800
Gross unrecognized tax benefits, net of cash advance, noncurrent liability	787
Estimated reasonably possible decrease in uncertain tax positions excluding interest over the next 12 months	15
Accrued income tax penalties and interest	117	99	225
Gross interest (income) expense	17	(44)	$ 53
Amortizable Asset Created for Swiss Federal Income Tax Purposes
Operating Loss Carryforwards [Line Items]
Period over which amortization asset will be amortized and deducted			10 years
Non-U.S. Tax Authorities
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	25,400
Net operating loss carryforwards, no expiration	20,000
Net operating loss carryforwards, expiring in future years	5,400
Net operating loss carryforwards, valuation allowance	6,800
Tax reductions from tax holiday	$ 248	$ 301	$ 231
Impact on diluted earnings per share (in dollars per share)	$ 0.18	$ 0.22	$ 0.17
Non-U.S. Tax Authorities | Subsidiaries
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 18,600
U.S. Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	222
Net operating loss carryforwards, no expiration	47
State and Local Tax Authorities
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, no expiration	72
Operating loss carryforwards	$ 1,400