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Leases (Tables)
6 Months Ended
Jun. 30, 2020
Leases [Abstract]  
Schedule of supplemental balance sheet information
Supplemental balance sheet information related to leases is as follows.

June 30, 2020December 31, 2019
Operating lease right-of-use assets:
Included within other noncurrent assets$1,132  $1,092  
Operating lease liabilities:
Current portion included within accounts payable and accrued liabilities$223  $214  
Long-term portion included within other long-term liabilities1,022  979  
$1,245  $1,193  
Weighted average remaining lease term for operating leases6.4 years6.6 years
Weighted average discount rate for operating leases4.2 %4.4 %
Schedule of future minimum lease payments for operating leases
Maturities of lease liabilities are as follows.

Operating leases
Six months ended December 31, 2020$149  
2021282  
2022245  
2023216  
2024178  
Thereafter441  
Undiscounted lease cash flow commitments
1,511  
Reconciling impact from discounting(266) 
Lease liabilities on consolidated balance sheet as of June 30, 2020
$1,245