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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Sep. 26, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure
SCHEDULE II
QUALCOMM Incorporated
VALUATION AND QUALIFYING ACCOUNTS

The table below details the activity of the valuation allowance on deferred tax assets for fiscal 2021, 2020 and 2019 (in millions):
Balance at
Beginning of
Period		Charged to
Costs and
Expenses		OtherBalance at
End of
Period
Year ended September 26, 2021$1,728 $197 $1 $1,926 
Year ended September 27, 20201,672 60 (4)1,728 
Year ended September 29, 20191,529 143 — 1,672