Leases Leases

12 Months Ended

Dec. 31, 2019

Leases

Our operating lease assets primarily represent manufacturing and research and development facilities, warehouses, and offices. Total operating lease expense was $326 for the year ended December 31, 2019, of which $55 was attributable to variable lease expenses.

For the year ended December 31, 2019, cash payments against operating lease liabilities totaled $277 and non-cash transactions totaled $371 to recognize operating assets and liabilities for new leases.

Supplemental Consolidated Statement of Financial Position information related to leases was as follows:



	December 31 2019
Operating leases:
Operating lease right-of-use assets		$1,182

Current portion of lease liabilities	252
Non-current portion of lease liabilities	978
Total operating lease liabilities		$1,230

Weighted average remaining lease term (years)	9
Weighted average discount rate	3.35		%

Maturities of operating lease liabilities for the next five years are as follows:



	Operating leases
2020		$287
2021	235
2022	194
2023	151
2024	98
Thereafter	609
Total lease payments	1,574
Less imputed interest	(344		)
Total		$1,230

As of December 31, 2019, we have entered into an operating lease that has not yet commenced of $160, primarily related to research and development and manufacturing facilities. This lease will commence in 2020 with a lease term of 15 years.

Payments due under operating leases net of sublease amounts and non-cancellable future rentals under ASC 840 as of December 31, 2018 were as follows:



	Operating leases
2019		$272
2020	232
2021	194
2022	165
2023	126
Thereafter	849
Total lease payments		$1,838