Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pay vs Performance Disclosure
Net loss attributable to Arrowhead Pharmaceuticals, Inc.	$ (170,793)	$ (102,946)	$ (428,957)	$ (95,596)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details