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Contingencies and Commitments (Tables)
 12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Lease, Cost
Leases
December
2019
Right-of-use assets
$
384

Lease liabilities, current
$
86

Lease liabilities, non-current
$
301

 
 
Other information
 
Weighted-average remaining lease term
6.2 years

Weighted-average discount rate
3.34
%
Future Purchase Obligations and Minimum Lease Payments
Future Obligations
 
2020
2021
2022
2023
2024
Thereafter
Debt repayments
$
860

$
750

$
—

$
612

$
1,546

$
7,433

Purchase obligations
$
1,373

$
19

$
9

$
6

$
6

$
6

Minimum lease payments
$
94

$
74

$
62

$
38

$
32

$
95