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Inventories
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories INVENTORIES
The following table summarizes our Inventories:
December 31,
(in millions)20212020
Raw materials$1,112 $1,080 
Work in process590 976 
Finished goods1,032 958 
Total$2,734 $3,014 
Reported as:
Inventories$1,618 $1,683 
Other long-term assets1,116 1,331 
Total$2,734 $3,014 
Amounts reported as Other long-term assets primarily consisted of raw materials as of December 31, 2021 and 2020. Total inventories as of December 31, 2021 and 2020 include $294 million and $797 million, respectively, of fair value adjustments resulting from the Immunomedics acquisition.
Inventory write-down charges were $228 million, $86 million and $649 million for the years ended December 31, 2021, 2020 and 2019, respectively. During the year ended December 31, 2019, $547 million of the $649 million inventory write-down charges was related to slow-moving and excess raw material and work in process inventory primarily due to lower long-term demand for our HCV products.