Financing Arrangements - Schedule of Debt Obligations (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Jan. 23, 2026	Apr. 25, 2025
Debt Instrument [Line Items]
Current debt obligations	$ 191	$ 2,874
Long-term debt
Finance lease obligations	58	52
Debt discount, net	(58)	(59)
Deferred financing costs	(118)	(117)
Total long-term debt	$ 27,880	$ 25,642
Senior Notes | 1.125 percent eight-year 2019 senior notes
Long-term debt
Stated interest rate	1.125%	1.125%
Term of debt instrument	8 years	8 years
Long-term debt, gross	$ 1,757	$ 1,714
Senior Notes | 4.250 percent five-year 2023 senior notes
Long-term debt
Stated interest rate	4.25%	4.25%
Term of debt instrument	5 years	5 years
Long-term debt, gross	$ 1,000	$ 1,000
Senior Notes | 3.000 percent six-year 2022 senior notes
Long-term debt
Stated interest rate	3.00%	3.00%
Term of debt instrument	6 years	6 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 0.375 percent eight-year 2020 senior notes
Long-term debt
Stated interest rate	0.375%	0.375%
Term of debt instrument	8 years	8 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 3.650 percent five-year 2024 senior notes
Long-term debt
Stated interest rate	3.65%	3.65%
Term of debt instrument	5 years	5 years
Long-term debt, gross	$ 996	$ 971
Senior Notes | 2.950 percent five-year 2025 senior notes
Long-term debt
Stated interest rate	2.95%	2.95%
Term of debt instrument	5 years	5 years
Long-term debt, gross	$ 878	$ 0
Senior Notes | 1.625 percent twelve-year 2019 senior notes
Long-term debt
Stated interest rate	1.625%	1.625%
Term of debt instrument	12 years	12 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 1.000 percent twelve-year 2019 senior notes
Long-term debt
Stated interest rate	1.00%	1.00%
Term of debt instrument	12 years	12 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 3.125 percent nine-year 2022 senior notes
Long-term debt
Stated interest rate	3.125%	3.125%
Term of debt instrument	9 years	9 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 0.750 percent twelve-year 2020 senior notes
Long-term debt
Stated interest rate	0.75%	0.75%
Term of debt instrument	12 years	12 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 4.500 percent ten-year 2023 senior notes
Long-term debt
Stated interest rate	4.50%	4.50%
Term of debt instrument	10 years	10 years
Long-term debt, gross	$ 1,000	$ 1,000
Senior Notes | 3.375 percent twelve-year 2022 senior notes
Long-term debt
Stated interest rate	3.375%	3.375%
Term of debt instrument	12 years	12 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 4.375 percent twenty-year 2015 senior notes
Long-term debt
Stated interest rate	4.375%	4.375%
Term of debt instrument	20 years	20 years
Long-term debt, gross	$ 1,932	$ 1,932
Senior Notes | 3.875 percent twelve-year 2024 senior notes
Long-term debt
Stated interest rate	3.875%	3.875%
Term of debt instrument	12 years	12 years
Long-term debt, gross	$ 996	$ 971
Senior Notes | 6.550 percent thirty-year 2007 CIFSA senior notes
Long-term debt
Stated interest rate	6.55%	6.55%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 253	$ 253
Senior Notes | 2.250 percent twenty-year 2019 senior notes
Long-term debt
Stated interest rate	2.25%	2.25%
Term of debt instrument	20 years	20 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 6.500 percent thirty-year 2009 senior notes
Long-term debt
Stated interest rate	6.50%	6.50%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 158	$ 158
Senior Notes | 1.500 percent twenty-year 2019 senior notes
Long-term debt
Stated interest rate	1.50%	1.50%
Term of debt instrument	20 years	20 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 5.550 percent thirty-year 2010 senior notes
Long-term debt
Stated interest rate	5.55%	5.55%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 224	$ 224
Senior Notes | 1.375 percent twenty-year 2020 senior notes
Long-term debt
Stated interest rate	1.375%	1.375%
Term of debt instrument	20 years	20 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 4.500 percent thirty-year 2012 senior notes
Long-term debt
Stated interest rate	4.50%	4.50%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 105	$ 105
Senior Notes | 4.000 percent thirty-year 2013 senior notes
Long-term debt
Stated interest rate	4.00%	4.00%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 305	$ 305
Senior Notes | 4.150 percent nineteen-year 2024 senior notes
Long-term debt
Stated interest rate	4.15%	4.15%
Term of debt instrument	19 years	19 years
Long-term debt, gross	$ 703	$ 685
Senior Notes | 4.625 percent thirty-year 2014 senior notes
Long-term debt
Stated interest rate	4.625%	4.625%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 127	$ 127
Senior Notes | 4.625 percent thirty-year 2015 senior notes
Long-term debt
Stated interest rate	4.625%	4.625%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 1,813	$ 1,813
Senior Notes | 4.200 percent twenty-year 2025 senior notes
Long-term debt
Stated interest rate	4.20%	4.20%
Term of debt instrument	20 years	20 years
Long-term debt, gross	$ 878	$ 0
Senior Notes | 1.750 percent thirty-year 2019 senior notes
Long-term debt
Stated interest rate	1.75%	1.75%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 1.625 percent thirty-year 2020 senior notes
Long-term debt
Stated interest rate	1.625%	1.625%
Term of debt instrument	30 years	30 years
Long-term debt, gross	$ 1,171	$ 1,142
Senior Notes | 4.150 percent twenty-nine-year 2024 senior notes
Long-term debt
Stated interest rate	4.15%	4.15%
Term of debt instrument	29 years	29 years
Long-term debt, gross	$ 820	$ 800