v3.22.0.1
Leases​
12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Leases Leases
Arconic 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 $59, $62, and $63 in 2021, 2020, and 2019, respectively.    
Right-of-use assets obtained in exchange for operating lease obligations in 2021 and 2020 were $17 and $46, respectively.
Future minimum contractual operating lease obligations were as follows:
December 31,2021
202240 
202330 
202423 
202517 
202612 
Thereafter28 
Total lease payments$150 
Less: imputed interest25 
Present value of lease liabilities$125 
The weighted-average remaining lease term and weighted-average discount rate for Arconic's operating leases at December 31, 2021 and 2020 was 6.1 and 6.6 years, respectively, and 5.8% and 5.9%, respectively.