“We will have this anticipated benefit to our operating income of approximately $900 million in Q1, which is included in our operating income guidance.”

In context

“ory efficiency driven by our regionalization efforts. Next, let's turn to capital investments. We define our capital investments as a combination of CapEx plus equipment finance leases. In 2023, full year CapEx was $48.4 billion, which was down $10.2 billion year-over-year, primarily driven by lower spend on fulfillment and transportation. As we look forward to 2024, we anticipate CapEx to increase year-over-year, primarily driven by increased infrastructure CapEx, support growth of our AWS business, including additional investments in generative AI and large language models. One thing I'd like to highlight in our first quarter guidance is that we recently completed a useful life study for our servers and we are increasing the useful life from 5 years to 6 years beginning in January 2024. We will have this anticipated benefit to our operating income of approximately $900 million in Q1, which is included in our operating income guidance. As we turn the calendar to 2024, we are excited to continue upon the great work the teams have been able to deliver in 2023. We remain focused on streamlining and prioritizing projects in an effective way that reduces costs and also allows us to continue innovating and inventing for customers. With that, let's move on to questions. Operator: [Operator Instructions] Our first question comes from the line of Eric Sheridan with Goldman Sachs. Please proceed with your question. Eric Sheridan : Thank you so much for taking the questions. I'm just going to do a 2-parter on AWS. If we take a step back, can you talk a little bit about the contribution from backlog conversion, AI workloads and some elements that allowed you to reaccelerate revenue at AWS in Q4 and how we should think about those”