Borrowing Arrangements - Schedule of Outstanding Borrowings (Details) $ in Millions	Apr. 30, 2026 USD ($)
Debt Instrument [Line Items]
Total notes payable, net	$ 2,500
Senior Notes
Debt Instrument [Line Items]
Principal Outstanding	2,500
Less unamortized debt discount and issuance costs	16
Total notes payable, net	$ 2,484
Senior Notes | 5.30% senior notes due June 15, 2035
Debt Instrument [Line Items]
Stated interest rate	5.30%
Principal Outstanding	$ 500
Fair value	$ 504
Senior Notes | 2.40% senior notes due December 15, 2031
Debt Instrument [Line Items]
Stated interest rate	2.40%
Principal Outstanding	$ 1,000
Fair value	$ 885
Senior Notes | 2.85% senior notes due January 15, 2030
Debt Instrument [Line Items]
Stated interest rate	2.85%
Principal Outstanding	$ 500
Fair value	$ 471
Senior Notes | 3.50% senior notes due June 15, 2027
Debt Instrument [Line Items]
Stated interest rate	3.50%
Principal Outstanding	$ 500
Fair value	$ 496