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Borrowing Facilities and Debt (Debt Outstanding) (Details) - USD ($) $ in Millions	Oct. 31, 2021	Oct. 25, 2020	May 31, 2020
Schedule of debt
Long-term debt	$ 5,452	$ 5,448
Senior Notes
Schedule of debt
Long-term debt principal amount	5,500	5,500
Total unamortized discount	(14)	(15)
Total unamortized debt issuance costs	$ (34)	(37)
Senior Notes \| 3.900% Senior Notes Due 2025
Debt Instrument [Line Items]
Stated interest rate	3.90%
Schedule of debt
Long-term debt principal amount	$ 700	700
Effective interest rate	3.944%
Senior Notes \| 3.300% Senior Notes Due 2027
Debt Instrument [Line Items]
Stated interest rate	3.30%
Schedule of debt
Long-term debt principal amount	$ 1,200	1,200
Effective interest rate	3.342%
Senior Notes \| 1.750% Senior Notes Due 2030
Debt Instrument [Line Items]
Stated interest rate	1.75%		1.75%
Schedule of debt
Long-term debt principal amount	$ 750	750	$ 750
Effective interest rate	1.792%
Senior Notes \| 5.100% Senior Notes Due 2035
Debt Instrument [Line Items]
Stated interest rate	5.10%
Schedule of debt
Long-term debt principal amount	$ 500	500
Effective interest rate	5.127%
Senior Notes \| 5.850% Senior Notes Due 2041
Debt Instrument [Line Items]
Stated interest rate	5.85%
Schedule of debt
Long-term debt principal amount	$ 600	600
Effective interest rate	5.879%
Senior Notes \| 4.350% Senior Notes Due 2047
Debt Instrument [Line Items]
Stated interest rate	4.35%
Schedule of debt
Long-term debt principal amount	$ 1,000	1,000
Effective interest rate	4.361%
Senior Notes \| 2.750% Senior Notes Due 2050
Debt Instrument [Line Items]
Stated interest rate	2.75%		2.75%
Schedule of debt
Long-term debt principal amount	$ 750	$ 750	$ 750
Effective interest rate	2.773%