text: Energy Generation and Storage Segment 
  
  Energy Generation and Storage Sales 
  
  We record as deferred revenue any non-refundable amounts that are collected from customers related to prepayments, 
  
  which is recognized as revenue ratably over the respective customer contract term. As of September 30, 2024 and 
  December 31, 2023, deferred revenue related to such customer payments amounted to $1.73 billion and $1.60 billion, 
  respectively, mainly due to contractual payment terms. Revenue recognized from the deferred revenue balances as of 
  December 31, 2023 and 2022 was $1.09 billion and $511 million for the nine months ended September 30, 2024 and 2023, 
  respectively. As of September 30, 2024, total transaction price allocated to performance obligations that were unsatisfied or 
  partially unsatisfied for contracts with an original expected length of more than one year was $6.61 billion. Of this amount, we 
  expect to recognize $4.23 billion in the next 12 months and the rest over the remaining performance obligation period. 
  
  We have financing receivables on our consolidated balance sheets related to loans we provide for financing our energy 
  products. As of September 30, 2024 and December 31, 2023, we had current net financing receivables of $32 million and $31 
  million, respectively, in Accounts receivable, net, and $641 million and $578 million, respectively, in Other non-current assets 
  for the long-term portion. 