Revision of Prior Period Consolidated Financial Statements - Revised Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts receivable, net	$ 4,546	$ 5,536
Inventory	7,614	7,930
Other current assets	4,431	4,403
Total current assets	19,736	22,168
Other non-current assets	7,443	7,088
Total assets	38,494	38,605
Accounts payable	15,303	16,075
Other current liabilities	10,668	11,880
Total current liabilities	26,189	29,061
Other non-current liabilities	4,534	4,802
Accumulated deficit	(4,492)	(2,470)
Accumulated other comprehensive income (loss)	285	(245)
Total stockholders’ deficit	(3,025)	(1,644)	$ (2,275)	$ (1,211)
Total liabilities and stockholders’ deficit	38,494	38,605
As reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts receivable, net	4,546	5,511
Inventory	7,595	7,930
Other current assets	4,515	4,430
Total current assets	19,801	22,170
Other non-current assets	7,471	7,091
Total assets	38,587	38,610
Accounts payable	15,284	16,075
Other current liabilities	10,651	11,915
Total current liabilities	26,153	29,096
Other non-current liabilities	4,556	4,778
Accumulated deficit	(4,413)	(2,461)
Accumulated other comprehensive income (loss)	313	(260)
Total stockholders’ deficit	(2,918)	(1,650)
Total liabilities and stockholders’ deficit	38,587	38,610
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts receivable, net	0	25
Inventory	19	0
Other current assets	(84)	(27)
Total current assets	(65)	(2)
Other non-current assets	(28)	(3)
Total assets	(93)	(5)
Accounts payable	19	0
Other current liabilities	17	(35)
Total current liabilities	36	(35)
Other non-current liabilities	(22)	24
Accumulated deficit	(79)	(9)
Accumulated other comprehensive income (loss)	(28)	15
Total stockholders’ deficit	(107)	6
Total liabilities and stockholders’ deficit	$ (93)	$ (5)