v3.25.1
WARRANTY AND FIELD SERVICE ACTIONS (Tables)
3 Months Ended
Mar. 31, 2025
Guarantees and Product Warranties [Abstract]  
Schedule of Warranty and Field Service Actions
The following table summarizes the Company’s warranty reserve recorded by line item on the Condensed Consolidated Balance Sheets (in millions):

December 31, 2024March 31, 2025
Current portion of deferred revenues, lease liabilities, and other liabilities$146 $164 
Other non-current liabilities327 292 
Total warranty reserve$473 $456 
The following table presents the warranty and field service action activity within the reserve (in millions):
Three Months Ended March 31,
20242025
Beginning balance$275 $473 
Warranties issued in period49 34 
Adjustments to pre-existing warranties(30)
Warranty costs incurred(13)(21)
Ending balance$317 $456