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Pay vs Performance Disclosure - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Pay vs Performance Disclosure        
Net (loss) earnings attributable to HPE $ (1,050) $ 314 $ (423) $ 701