Table:
0
A
B
C
D
1
Years Ended December 31,
2
2019
2018
2017
3
(Dollars in millions)
4
Interest expense:
5
Gross interest expense
$2,093
2,230
1,559
6
Capitalized interest
(72)
(53)
(78)
7
Total interest expense
$2,021
2,177
1,481

Questions and formulas:
Question: What is the change in the gross interest expense in 2019 from 2018?
Formula: B5-C5
Formula2: B5-C5
Level: Calculation
Question: What is the average total interest expense for 2017 to 2019?
Formula: (B7+C7+D7)/3
Formula2: (B7+C7+D7)/3
Level: Calculation