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Leases (Notes)
 12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Leases Leases
Lease-related asset and liability balances were as follows:
December 31,
2020		December 31,
2019
Operating Leases
Right-of-use assets$461 $443 
Accrued and other liabilities$89 $93 
Operating lease liabilities376 355 
Total operating lease liabilities
$465 $448 
Weighted Average Remaining Term (in years)88
Weighted Average Lease Discount Rate3.1 %3.5 %
The Company's operating lease cost is comprised of payments related to operating leases recorded in the consolidated balance sheet and short-term rental payments for leases that are not recorded in the consolidated balance sheet. Variable operating lease cost was not material to the consolidated statement of operations for the years ended December 31, 2020 and 2019. The components of operating lease expense were as follows:
December 31,
2020		December 31,
2019
Operating lease cost (1)
$117 $113 
Short-term lease cost70 58 
Total operating lease cost
$187 $171 

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(1)Includes fixed lease payments for operating leases recorded in the consolidated balance sheet.
Maturities of lease liabilities were as follows at December 31, 2020:
Operating Leases
2021$102 
202285 
202369 
202454 
202542 
Thereafter171 
Total lease payments
523 
Less: imputed interest
(58)
Present value of lease liabilities
$465 
Related Party Leases
The Company leases certain assets under operating leases with related parties. Right-of-use assets and the associated operating lease liabilities for related party operating leases were approximately $41 and $50 as of December 31, 2020 and December 31, 2019, respectively. The Company recognized operating lease cost for fixed lease payments to related parties of $12 and $18 for the years ended December 31, 2020 and 2019, respectively.