Note 7 - Leases (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Operating Leases and Finance Leases, Statement of Financial Position Location [Table Text Block]

	Classification	2020		2019
Finance lease right-of-use assets	Property, plant and equipment, net	$	72	$	41
Finance lease liabilities	Current portion of long-term debt		7		5
Finance lease liabilities	Long-term debt		53		24

Lease, Cost [Table Text Block]

	2020		2019
Operating lease cost	$	52	$	50
Finance lease cost:
Amortization of right-of-use assets	$	5	$	3
Interest on lease liabilities		2		1
Total finance lease cost	$	7	$	4

Schedule of Supplemental Cash Flow Information Related to Leases [Table Text Block]

	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	52	$	50
Operating cash flows from finance leases		2		1
Financing cash flows from finance leases		4		3
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	57	$	24
Finance leases		32		13

Schedule of Supplemental Balance Sheet Information Related to Leases [Table Text Block]

	2020			2019
Weighted-average remaining lease term (years):
Operating leases		6			6
Finance leases		14			9
Weighted-average discount rate:
Operating leases		4.3	%		5.5	%
Finance leases		4.4	%		3.2	%

Finance Lease and Operating Lease, Liability, Maturity [Table Text Block]

	Operating Leases		Finance Leases
2021	$	50	$	9
2022		41		9
2023		29		8
2024		24		6
2025		21		5
Thereafter		61		49
Total lease payments		226		86
Less: interest		30		26
Present value of lease liabilities	$	196	$	60