Table:
|  | Operating Leases | Finance Leases |
| --- | --- | --- |
|  | (Dollars in millions) |  |
| 2020 | $460 | 47 |
| 2021 | 361 | 28 |
| 2022 | 308 | 22 |
| 2023 | 265 | 22 |
| 2024 | 194 | 21 |
| Thereafter | 686 | 170 |
| Total lease payments | 2,274 | 310 |
| Less: interest | (516) | (90) |
| Total | $1,758 | 220 |
| Less: current portion | (416) | (35) |
| Long-term portion | $1,342 | 185 |
Paragraphs:
As of December 31, 2019, maturities of lease liabilities were as follows:
As of December 31, 2019, we had no material operating or finance leases that had not yet commenced.
Question:
How many periods are highlighted in the table?
Answer: Objects satisfying the requirements:
2020
2021
2022
2023
2024
Thereafter
As a result, the answer is 6