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Retirement-Related Benefits (Tables)
 12 Months Ended
Jan. 31, 2023
Retirement Benefits [Abstract]  
Schedule of Contribution Expense Related to Defined Contribution Plans
The following table summarizes the contribution expense related to the Company's defined contribution plans for fiscal 2023, 2022 and 2021:
Fiscal Years Ended January 31,
(Amounts in millions)202320222021
Defined contribution plans:
U.S.$1,491 $1,441 $1,290 
International74 39 200 
Total contribution expense for defined contribution plans$1,565 $1,480 $1,490