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Goodwill and Acquired Intangible Assets - Intangible Assets Acquired (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2022 | Jul. 31, 2021
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 8,532 | $ 4,166
Accumulated amortization | (1,308) | (914)
Acquired intangible assets, net | $ 7,224 | $ 3,252
Weighted average life in years | 13 years | 14 years
Customer Lists / User Relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 6,198 | $ 3,038
Accumulated amortization | (640) | (377)
Acquired intangible assets, net | $ 5,558 | $ 2,661
Weighted average life in years | 14 years | 15 years
Purchased Technology |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 1,612 | $ 686
Accumulated amortization | (552) | (455)
Acquired intangible assets, net | $ 1,060 | $ 231
Weighted average life in years | 8 years | 5 years
Trade Names and Logos |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 680 | $ 400
Accumulated amortization | (74) | (41)
Acquired intangible assets, net | $ 606 | $ 359
Weighted average life in years | 13 years | 15 years
Covenants Not to Compete or Sue |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 42 | $ 42
Accumulated amortization | (42) | (41)
Acquired intangible assets, net | $ 0 | $ 1
Weighted average life in years | 0 years | 3 years

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