v3.25.4
WARRANTY AND FIELD SERVICE ACTIONS (Tables)
12 Months Ended
Dec. 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 Consolidated Balance Sheets (in millions):

December 31, 2024December 31, 2025
Current portion of deferred revenues, lease liabilities, and other liabilities$146 $177 
Other non-current liabilities327 286 
Total warranty reserve$473 $463 
The following table presents the warranty and field service action activity within the reserve for the years ended December 31, 2024 and 2025 (in millions):
Year Ended December 31,
202320242025
Beginning balance$100 $275 $473 
Warranties issued in period233 261 184 
Adjustments to pre-existing warranties(22)(84)
Warranty costs incurred(36)(68)(110)
Ending balance$275 $473 $463