Annual report pursuant to Section 13 and 15(d)

Revenue Valuation Allowance and Reserves (Tables)

v3.22.0.1
Revenue Valuation Allowance and Reserves (Tables)
 12 Months Ended
Dec. 31, 2021
Allowance for Sales Returns [Abstract]  
Summary of activity in allowance for sales returns A summary of activity in the allowance for sales returns, recorded on a gross basis for the years ended December 31, 2021, 2020 and 2019 was as follows:
(in millions) Balance
beginning
of year		 Additions-
charged
to earnings		 Deductions Balance
end of
year
2021 $ 267  1,922  (1,947) 242 
2020 238  1,976  (1,947) 267 
2019 242  2,138  (2,142) 238