v3.20.4
Leases
12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Leases operating Leases
Operating and finance lease assets relate to buildings (corporate offices, research and development and manufacturing facilities and datacenters), land, machinery and installations and other equipment (vehicles and certain office equipment). These leases, except for land leases, have remaining lease terms of 1 to 30 years (land leases 48 to 90 years), some of which may include options to extend the leases for up to 5 years, and some of which may include options to terminate the leases within 1 year. As of December 31, 2020, assets recorded under finance leases amounted to $82 million and accumulated depreciation associated with finance leases was $12 million (2019: $82 million and $9 million, respectively). Finance lease liabilities amounted to $24 million as of December 31, 2020 (December 31, 2019: $25 million).

The components of operating lease expense were as follows
20202019
Operating lease cost65 59 
Other information related to operating leases was as follows:
Supplemental cash flows information:
Operating cash flows from operating leases63 53 
Right-of-use assets obtained in exchange for lease obligations 1)
50 279 
1) $188 million recorded on January 1, 2019 in accordance with the adoption of ASC 842.
Weighted average remaining lease term6 years6 years
Weighted average discount rate:%%

Future minimum lease payments for operating leases as of December 31, 2020 were as follows:
As of
December 31, 2020
202164 
202250 
202344 
202428 
202523 
Thereafter47 
Total future minimum lease payments256 
Less: imputed interest(19)
Total237 
Rent expense amounted to $9 million in 2020 compared to $12 million in 2019 (containing as from 2019 only services related to leased assets as well as short-term leases) and $57 million in 2018 (containing all leases of land and buildings and other equipment as well as related services).

Lease liabilities related to operating leases are split between current and non-current:
As of December 31,
20202019
Other current liabilities60 62 
Other non-current liabilities177 176 
Total237 238 
Operating lease right-of-use assets are $223 million as of December 31, 2020 (December 31, 2019: $226 million) and are included in other non-current assets in the consolidated balance sheet.
Leases finance Leases
Operating and finance lease assets relate to buildings (corporate offices, research and development and manufacturing facilities and datacenters), land, machinery and installations and other equipment (vehicles and certain office equipment). These leases, except for land leases, have remaining lease terms of 1 to 30 years (land leases 48 to 90 years), some of which may include options to extend the leases for up to 5 years, and some of which may include options to terminate the leases within 1 year. As of December 31, 2020, assets recorded under finance leases amounted to $82 million and accumulated depreciation associated with finance leases was $12 million (2019: $82 million and $9 million, respectively). Finance lease liabilities amounted to $24 million as of December 31, 2020 (December 31, 2019: $25 million).

The components of operating lease expense were as follows
20202019
Operating lease cost65 59 
Other information related to operating leases was as follows:
Supplemental cash flows information:
Operating cash flows from operating leases63 53 
Right-of-use assets obtained in exchange for lease obligations 1)
50 279 
1) $188 million recorded on January 1, 2019 in accordance with the adoption of ASC 842.
Weighted average remaining lease term6 years6 years
Weighted average discount rate:%%

Future minimum lease payments for operating leases as of December 31, 2020 were as follows:
As of
December 31, 2020
202164 
202250 
202344 
202428 
202523 
Thereafter47 
Total future minimum lease payments256 
Less: imputed interest(19)
Total237 
Rent expense amounted to $9 million in 2020 compared to $12 million in 2019 (containing as from 2019 only services related to leased assets as well as short-term leases) and $57 million in 2018 (containing all leases of land and buildings and other equipment as well as related services).

Lease liabilities related to operating leases are split between current and non-current:
As of December 31,
20202019
Other current liabilities60 62 
Other non-current liabilities177 176 
Total237 238 
Operating lease right-of-use assets are $223 million as of December 31, 2020 (December 31, 2019: $226 million) and are included in other non-current assets in the consolidated balance sheet.