Leases

12 Months Ended

Dec. 31, 2019

LEASES

Our leasing activities primarily consist of operating leases for administrative offices, manufacturing facilities, research centers, service centers, sales offices and certain equipment.

The following table presents operating lease expense for the year ended December 31:



Operating Lease Expense	2019
Long-term fixed lease	$	233
Long-term variable lease	48
Short-term lease ⁽¹⁾	706
Total operating lease expense	$	987


⁽¹⁾	Leases with a term of one year or less, including leases with a term of one month or less

For the years ended December 31, 2018 and 2017, total operating lease expense was $783 million and $439 million, respectively. Cash flows used in operating activities for operating leases approximates our expense for the years ended December 31, 2019, 2018 and 2017.

As of December 31, 2019, maturities of our operating lease liabilities are as follows:



Year	Operating Leases
2020	$	230
2021	173
2022	139
2023	95
2024	65
Thereafter	318
Total lease payments	1,020
Less: imputed interest	178
Total	$	842

As of December 31, 2018, the minimum annual rental commitments, net of amounts due under subleases, for each of the five years in the period ending December 31, 2023 are $186 million, $154 million, $108 million, $77 million and $55 million, respectively, and $266 million in the aggregate thereafter.

Amounts recognized in the consolidated statement of financial position as of December 31, 2019:



	Operating Leases
All other current liabilities	$	201
All other liabilities	641
Total	$	842

Right-of-use assets of $829 million as of December 31, 2019 were included in "All other assets" in our consolidated statements of financial position.

The weighted-average remaining lease term as of December 31, 2019 was approximately eight years for our operating leases. The weighted-average discount rate used to determine the operating lease liability as of December 31, 2019 was 4.1%.