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SUPPLEMENTAL CASH FLOW INFORMATION (Cash, cash equivalents an restricted cash reconciliation) (Details) - USD ($)
$ in Millions
Jan. 31, 2023
Oct. 31, 2022
Jan. 31, 2022
Oct. 31, 2021
Cash and cash equivalents $ 2,228 $ 2,042    
Restricted cash included in other assets 16 15    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows 2,244 2,057 $ 1,992 $ 2,068
Other current assets $ 441 $ 429