v3.23.1
Property and Equipment
3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment, net consists of the following (in millions): 
March 31, 2023December 31, 2022
Land$1,874 $1,874 
Servers and network assets37,282 34,330 
Buildings30,882 27,720 
Leasehold improvements6,654 6,522 
Equipment and other5,831 5,642 
Finance lease right-of-use assets3,573 3,353 
Construction in progress25,039 25,052 
Property and equipment, gross111,135 104,493 
Less: Accumulated depreciation(26,979)(24,975)
Property and equipment, net$84,156 $79,518 
Construction in progress includes costs mostly related to construction of data centers, network infrastructure, servers, and office facilities. As of March 31, 2023, construction in progress also includes $1.64 billion of servers and network assets components stored by our suppliers until required by our design manufacturers to fulfill certain purchase orders.

Depreciation expense on property and equipment was $2.48 billion and $2.12 billion for the three months ended March 31, 2023 and 2022, respectively. The majority of the property and equipment depreciation expense was from servers and network assets depreciation of $1.51 billion and $1.36 billion for the three months ended March 31, 2023 and 2022, respectively. During the three months ended March 31, 2023, we capitalized $53 million of interest expense related to certain eligible construction in progress assets.
During the three months ended March 31, 2023, we recorded a $97 million impairment loss for leasehold improvements assets, as a part of our facilities consolidation restructuring efforts, see Note 3 — Restructuring.