v3.26.1
Segment Information - Schedule of Reconciliation of Segment Operating Results to HP Consolidated Results (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Net revenue        
Products net revenue $ 14,408 $ 13,220 $ 28,846 $ 26,724
Cost of net revenue        
Total cost of net revenue 11,392 10,481 22,995 21,145
Operating expenses        
Operating expenses 2,404 2,085 4,480 4,080
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Operating income (loss) 612 654 1,371 1,499
Restructuring and other charges (365) (122) (491) (192)
Acquisition and divestiture charges (4) (17) (2) (23)
Amortization of intangible assets (89) (65) (145) (128)
Interest and other, net (119) (148) (207) (289)
Earnings before taxes 493 506 1,164 1,210
Total segment net revenue        
Net revenue        
Products net revenue 14,408 13,221 28,846 26,725
Cost of net revenue        
Total cost of net revenue 11,378 10,454 22,950 21,084
Operating expenses        
Operating expenses 1,762 1,581 3,376 3,165
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Operating income (loss) 1,268 1,186 2,520 2,476
Corporate and unallocated costs and other        
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Corporate and unallocated costs and other (81) (85) (156) (199)
Other        
Net revenue        
Products net revenue 0 (1) 0 (1)
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Stock-based compensation expense (112) (140) (294) (332)
Restructuring and other charges (365) (122) (491) (192)
Acquisition and divestiture charges (4) (17) (2) (23)
Amortization of intangible assets (89) (65) (145) (128)
Certain litigation charges (5) (103) (61) (103)
Interest and other, net (119) (148) (207) (289)
Personal Systems | Total segment net revenue        
Net revenue        
Products net revenue 10,213 9,024 20,464 18,248
Cost of net revenue        
Total cost of net revenue 8,674 7,751 17,535 15,588
Operating expenses        
Operating expenses 1,009 864 1,888 1,744
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Operating income (loss) 530 409 1,041 916
Printing | Total segment net revenue        
Net revenue        
Products net revenue 4,195 4,197 8,382 8,477
Cost of net revenue        
Total cost of net revenue 2,703 2,702 5,414 5,494
Operating expenses        
Operating expenses 725 691 1,436 1,378
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Operating income (loss) 767 804 1,532 1,605
Corporate Investments | Total segment net revenue        
Net revenue        
Products net revenue 0 0 0 0
Cost of net revenue        
Total cost of net revenue 1 1 1 2
Operating expenses        
Operating expenses 28 26 52 43
Segment Reporting Information, Revenue for Reportable Segment [Abstract]        
Operating income (loss) (29) (27) (53) (45)
Commercial PS | Personal Systems | Total segment net revenue        
Net revenue        
Products net revenue 7,743 6,786 14,996 13,431
Consumer PS | Personal Systems | Total segment net revenue        
Net revenue        
Products net revenue 2,470 2,238 5,468 4,817
Supplies | Printing | Total segment net revenue        
Net revenue        
Products net revenue 2,754 2,728 5,553 5,557
Commercial Printing | Printing | Total segment net revenue        
Net revenue        
Products net revenue 1,168 1,167 2,273 2,311
Consumer Printing | Printing | Total segment net revenue        
Net revenue        
Products net revenue $ 273 $ 302 $ 556 $ 609