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Contingencies and Commitments (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Future Purchase Obligations and Minimum Lease Payments
Future Obligations
 
2017
2018
2019
2020
2021
Thereafter
Debt repayments
$
200

$
602

$
750

$
500

$
750

$
4,150

Purchase obligations
737

75

59

5

4

77

Minimum lease payments
$
90

$
47

$
34

$
24

$
15

$
59