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SEGMENT INFORMATION
 9 Months Ended
Sep. 30, 2021
Segment Reporting [Abstract]  
SEGMENT INFORMATION SEGMENT INFORMATION
Following is a summary of segment results (in millions of dollars):
 Three Months Ended September 30,Nine Months Ended September 30,
2021202020212020
 Net salesOperating earningsNet salesOperating earningsNet salesOperating earningsNet salesOperating earnings
High-Touch Solutions N.A.$2,663 $387 $2,377 $334 $7,558 $975 $6,929 $933 
Endless Assortment646 59 572 48 1,913 172 1,593 125 
Other63 (8)69 (2)192 (17)334 (314)
Total Company$3,372 $438 $3,018 $380 $9,663 $1,130 $8,856 $744 

The Company is a broad line distributor of MRO products and services. Products are regularly added and removed from the Company's inventory. Accordingly, it would be impractical to provide sales information by product category due to the way the business is managed, and the dynamic nature of the inventory offered, including the evolving list of products stocked and additional products available online but not stocked.

Intersegment sales transactions, which are sales between Grainger businesses in separate reportable segments, are eliminated within the segment to present only the impact of third-party sales. Service fees for intersegment sales from the High-Touch Solutions N.A. segment to the Endless Assortment segment are included in SG&A.
Corporate costs are substantially allocated to each reportable segment based on benefits received. Assets for reportable segments are not disclosed as such information is not regularly reviewed by the Company's Chief Operating Decision Maker.