v3.21.1
Supplemental Financial Information
 3 Months Ended
Mar. 31, 2021
Supplemental Financial Information  
Supplemental Financial Information Supplemental Financial InformationInterest Expense, Net
Three months ended
March 31,
(in millions)20212020
Interest expense$632 $563 
Interest income(10)(135)
Interest expense, net$622 $428 
Inventories
(in millions)March 31,
2021		December 31, 2020
Finished goods$1,232 $1,318 
Work-in-process1,214 1,201 
Raw materials826 791 
Inventories$3,272 $3,310 
Property and Equipment, Net
(in millions)March 31,
2021		December 31, 2020
Property and equipment, gross$10,887 $10,859 
Accumulated depreciation(5,694)(5,611)
Property and equipment, net$5,193 $5,248 
Depreciation expense was $206 million for the three months ended March 31, 2021 and $115 million for the three months ended March 31, 2020.