Leases (Tables)

12 Months Ended

Dec. 31, 2020

Lessee Disclosure [Abstract]

Lessee, Operating Leases [Table Text Block]

The information related to our leases is as follows:

	Balance Sheet Location	December 31, 2020		December 31, 2019
Operating Leases
Right-of-use assets	Other noncurrent assets	$	646	$	575
Lease liabilities, current	Other current liabilities	110		158
Lease liabilities, noncurrent	Other noncurrent liabilities	847		482

	Years Ended December 31
	2020		2019
Lease Expense
Operating lease expense	$	438	$	198
Short-term lease expense	50		46
Sublease income	(9)		(16)
Total lease expense	$	479	$	228

Lease expense for 2018 was $207.

Our activities as disclosed in Note 4, “Business Optimization Initiatives”, include reducing our office space footprint. As a result, we performed an interim impairment test and recorded an impairment charge of $258 for affected right-of-use assets in 2020 which is included in the operating lease expense shown above.

	Years Ended December 31
	2020			2019
Other information
Operating cash paid for amounts included in the measurement of lease liabilities, operating leases	$	207		$	176
Right-of-use assets obtained in exchange for new lease liabilities, operating leases	$	384		$	112
Weighted average remaining lease term in years, operating leases	7			6
Weighted average discount rate, operating leases	3.21		%	4.09		%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

At December 31, 2020, future lease payments for noncancelable operating leases with initial or remaining terms of one year or more are as follows:

2021	$	197
2022	180
2023	156
2024	125
2025	88
Thereafter	236
Total future minimum payments	$	982
Less imputed interest	(25)
Total lease liabilities	$	957