Fair Value Measurements (Details) - Fair value, measurements, recurring - USD ($) $ in Millions | Oct. 31, 2023 | Jul. 31, 2023 |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | $ 1,925.8 | $ 627.5 |
Foreign currency forward contracts | 5.6 | 19.1 |
Total prepaid expenses and other current assets | 5.6 | 19.1 |
Foreign currency forward contracts | 0 | 1.7 |
Total other assets | 0 | 1.7 |
Total assets measured at fair value | 6,322.7 | 4,950.9 |
Foreign currency forward contracts | 44.6 | 18.7 |
Total accrued and other liabilities | 44.6 | 18.7 |
Foreign currency forward contracts | 0 | 1.6 |
Total other long-term liabilities | 0 | 1.6 |
Total liabilities measured at fair value | 44.6 | 20.3 |
Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 1,402.4 | 1,254.7 |
Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 2,988.9 | 3,047.9 |
Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 1,595.3 | 476.1 |
Foreign currency forward contracts | 0 | 0 |
Total prepaid expenses and other current assets | 0 | 0 |
Foreign currency forward contracts | 0 | 0 |
Total other assets | 0 | 0 |
Total assets measured at fair value | 1,595.3 | 476.1 |
Foreign currency forward contracts | 0 | 0 |
Total accrued and other liabilities | 0 | 0 |
Foreign currency forward contracts | 0 | 0 |
Total other long-term liabilities | 0 | 0 |
Total liabilities measured at fair value | 0 | 0 |
Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Level 1 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 330.5 | 151.4 |
Foreign currency forward contracts | 5.6 | 19.1 |
Total prepaid expenses and other current assets | 5.6 | 19.1 |
Foreign currency forward contracts | 0 | 1.7 |
Total other assets | 0 | 1.7 |
Total assets measured at fair value | 4,727.4 | 4,474.8 |
Foreign currency forward contracts | 44.6 | 18.7 |
Total accrued and other liabilities | 44.6 | 18.7 |
Foreign currency forward contracts | 0 | 1.6 |
Total other long-term liabilities | 0 | 1.6 |
Total liabilities measured at fair value | 44.6 | 20.3 |
Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 1,402.4 | 1,254.7 |
Level 2 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 2,988.9 | 3,047.9 |
Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Foreign currency forward contracts | 0 | 0 |
Total prepaid expenses and other current assets | 0 | 0 |
Foreign currency forward contracts | 0 | 0 |
Total other assets | 0 | 0 |
Total assets measured at fair value | 0 | 0 |
Foreign currency forward contracts | 0 | 0 |
Total accrued and other liabilities | 0 | 0 |
Foreign currency forward contracts | 0 | 0 |
Total other long-term liabilities | 0 | 0 |
Total liabilities measured at fair value | 0 | 0 |
Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Level 3 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Money market funds | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 1,595.3 | 476.1 |
Money market funds | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 1,595.3 | 476.1 |
Money market funds | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Money market funds | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Certificates of deposit | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 34 | 48.1 |
Certificates of deposit | Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Certificates of deposit | Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 34 | 48.1 |
Certificates of deposit | Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Commercial paper | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 297 | 151.4 |
Commercial paper | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 136.8 | 213.8 |
Commercial paper | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Commercial paper | Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Commercial paper | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 297 | 151.4 |
Commercial paper | Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 136.8 | 213.8 |
Commercial paper | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Commercial paper | Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Corporate debt securities | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 8.6 | 0 |
Corporate debt securities | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 1,038.2 | 798 |
Corporate debt securities | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 2,367 | 2,484.3 |
Corporate debt securities | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Corporate debt securities | Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Corporate debt securities | Level 1 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Corporate debt securities | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 8.6 | 0 |
Corporate debt securities | Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 1,038.2 | 798 |
Corporate debt securities | Level 2 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 2,367 | 2,484.3 |
Corporate debt securities | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
Corporate debt securities | Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Corporate debt securities | Level 3 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
U.S. government and agency securities | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 24.9 | 0 |
U.S. government and agency securities | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 148 | 190.6 |
U.S. government and agency securities | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 71.2 | 22 |
U.S. government and agency securities | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
U.S. government and agency securities | Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
U.S. government and agency securities | Level 1 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
U.S. government and agency securities | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 24.9 | 0 |
U.S. government and agency securities | Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 148 | 190.6 |
U.S. government and agency securities | Level 2 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 71.2 | 22 |
U.S. government and agency securities | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Cash equivalents | 0 | 0 |
U.S. government and agency securities | Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
U.S. government and agency securities | Level 3 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Non-U.S. government and agency securities | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 33.7 | 0 |
Non-U.S. government and agency securities | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 27.9 | 36.6 |
Non-U.S. government and agency securities | Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Non-U.S. government and agency securities | Level 1 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Non-U.S. government and agency securities | Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 33.7 | 0 |
Non-U.S. government and agency securities | Level 2 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 27.9 | 36.6 |
Non-U.S. government and agency securities | Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Non-U.S. government and agency securities | Level 3 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Asset-backed securities | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 11.7 | 4.2 |
Asset-backed securities | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 522.8 | 505 |
Asset-backed securities | Level 1 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Asset-backed securities | Level 1 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Asset-backed securities | Level 2 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 11.7 | 4.2 |
Asset-backed securities | Level 2 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 522.8 | 505 |
Asset-backed securities | Level 3 | Short-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | 0 | 0 |
Asset-backed securities | Level 3 | Long-Term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis | | |
Short and long-term investments | $ 0 | $ 0 |