v3.20.1

Leases​ | 3 Months Ended
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Mar. 31, 2020
Leases [Abstract] |
Leases | Leases​ Arconic Corporation leases certain land and buildings, plant equipment, vehicles, and computer equipment, which have been classified as operating leases. Operating lease cost, which includes short-term leases and variable lease payments and approximates cash paid, was $15 and $16 for the first quarter ended March 31, 2020 and 2019, respectively. Right-of-use assets obtained in exchange for operating lease obligations in the first quarter ended March 31, 2020 were $9. Future minimum contractual operating lease obligations were as follows:
​ | March 31, 2020 | ​ | December 31, 2019
2020 | $ | 30 |  |  | $ | 38 |
2021 | 32 |  |  | 29 |
2022 | 25 |  |  | 22 |
2023 | 18 |  |  | 17 |
2024 | 14 |  |  | 14 |
Thereafter | 37 |  |  | 38 |
Total lease payments | $ | 156 |  |  | $ | 158 |
Less: imputed interest | 28 |  |  | 29 |
Present value of lease liabilities | $ | 128 |  |  | $ | 129 |
The weighted-average remaining lease term and weighted-average discount rate for Arconic Corporation’s operating leases at March 31, 2020 and December 31, 2019 was 6.3 years and 6.7 years, respectively, and 5.9% and 6.0%, respectively.

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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