Leases (Tables)

12 Months Ended

Dec. 31, 2022

Lessee Disclosure [Abstract]

Lessee, Operating Leases [Table Text Block]

The information related to our leases is as follows:

	Balance Sheet Location	December 31, 2022		December 31, 2021
Operating Leases
ROU assets	Other noncurrent assets	$	604	$	628
Lease liabilities, current	Other current liabilities	181		133
Lease liabilities, noncurrent	Other noncurrent liabilities	751		864

	Years Ended December 31
	2022		2021		2020
Lease Expense
Operating lease expense	$	143	$	261	$	438
Short-term and variable lease expense	35		45		50
Sublease income	(3)		(4)		(9)
Total lease expense	$	175	$	302	$	479

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 during the years ended December 31, 2022, 2021 and 2020, and recorded impairment charges of $34, $136 and $258, respectively, for impairment and abandonment of ROU assets which are included in the operating lease expense shown above.

	Years Ended December 31
	2022			2021
Other information
Operating cash paid for amounts included in the measurement of lease liabilities, operating leases	$	204		$	198
ROU assets obtained in exchange for new lease liabilities, operating leases	$	113		$	334
Weighted average remaining lease term in years, operating leases	7			7
Weighted average discount rate, operating leases	2.98		%	2.69		%

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

At December 31, 2022, future lease payments for noncancelable operating leases with initial or remaining terms of one year or more are as follows:

2023	$	206
2024	179
2025	145
2026	111
2027	77
Thereafter	310
Total future minimum payments	1,028
Less imputed interest	(96)
Total lease liabilities	$	932