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Supplemental Financial Information
 6 Months Ended
Jun. 30, 2022
Supplemental Financial Information [Abstract]  
SUPPLEMENTAL FINANCIAL INFORMATION
16. SUPPLEMENTAL FINANCIAL INFORMATION
The components of accounts receivable are summarized as follows:
In millionsJune 30, 2022December 31, 2021
Accounts receivable
Trade$1,062 $939 
Other49 44 
Accounts receivable, gross1,111 983 
Less: allowance for credit losses(26)(24)
Total accounts receivable, net$1,085 $959 
Our allowance for credit losses as of June 30, 2022 and December 31, 2021 was $26 million and $24 million, respectively. The impact to our allowance for credit losses for the three and six months ended June 30, 2022 was an expense of $4 million and $8 million, respectively. We continue to evaluate our reserves in light of the age and quality of our outstanding accounts receivable, risks to specific industries or countries, as well as the COVID-19 pandemic, and adjust the reserves accordingly. Our allowance for credit losses charged to expense for the three and six months ended June 30, 2021 was $3 million. The Company recorded write-offs against the reserve for the three months ended June 30, 2022 and 2021 of $4 million and $2 million, respectively. The Company recorded write-offs against the reserve for the six months ended June 30, 2022 and 2021 of $6 million and $14 million, respectively.
The components of inventory are summarized as follows:
In millionsJune 30, 2022December 31, 2021
Inventories
Work in process and raw materials$191 $184 
Finished goods269 185 
Service parts398 385 
Total inventories$858 $754