Table:
|  | Business | Consumer | Total |
| --- | --- | --- | --- |
|  |  | (Dollars in millions) |  |
| As of December 31, 2017(1) | $20,197 | 10,278 | 30,475 |
| Purchase accounting and other adjustments(2)(3) | 250 | 32 | 282 |
| Impairment | — | (2,726) | (2,726) |
| As of December 31, 2018 | $20,447 | 7,584 | 28,031 |
Paragraphs:
We completed our qualitative assessment of our indefinite-lived intangible assets other than goodwill as of December 31, 2019 and 2018 and concluded it is more likely than not that our indefinite-lived intangible assets are not impaired; thus, no impairment charge for these assets was recorded in 2019 or 2018.
The following tables show the rollforward of goodwill assigned to our reportable segments from December 31, 2017 through December 31, 2019.
(1) Goodwill is net of accumulated impairment losses of $1.1 billion that related to our former hosting segment now included in our business segment.
(2) We allocated $32 million of Level 3 goodwill to consumer as we expect the consumer segment to benefit from synergies resulting from the business combination. (2) We allocated $32 million of Level 3 goodwill to consumer as we expect the consumer segment to benefit from synergies resulting from the business combination.
(3) Includes $58 million decrease due to effect of foreign currency exchange rate change.
Question:
What is the average total amount of goodwill for 2017 and 2018?
Answer: (30475+28031)/2 = 29253