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WARRANTY AND FIELD SERVICE ACTIONS (Tables)
12 Months Ended
Dec. 31, 2024
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, 2023December 31, 2024
Current portion of deferred revenues, lease liabilities, and other liabilities$91 $146 
Other non-current liabilities184 327 
Total warranty reserve$275 $473 
The following table presents the warranty and field service action activity within the reserve for the years ended December 31, 2023 and 2024 (in millions):
Year Ended December 31,
20232024
Beginning balance$100 $275 
Warranties issued in period233 261 
Adjustments to pre-existing warranties(22)
Warranty costs incurred(36)(68)
Ending balance$275 $473