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Other Assets, Net (Tables)
 12 Months Ended
Dec. 31, 2013
Other Assets, Net  
Components of other assets, net of accumulated amortization

 

 

 

 

December 31,

 

 

 

2013

 

2012

 

Debt issue costs

 

$

70

 

$

69

 

Fair value of derivative instruments

 

30

 

10

 

Intangible assets

 

674

 

642

 

Other

 

37

 

54

 

 

 

811

 

775

 

Accumulated amortization

 

(271

)

(189

)

 

 

$

540

 

$

586

 

 
Components of intangible assets that have finite lives

 

 

 

 

 

 

December 31, 2013

 

December 31, 2012

 

 

 

Estimated Useful

 

 

 

Accumulated

 

 

 

 

 

Accumulated

 

 

 

 

 

Lives (Years)

 

Cost

 

Amortization

 

Net

 

Cost

 

Amortization

 

Net

 

Customer contracts and relationships

 

1 - 20

 

$

591

 

$

(237

)

$

354

 

$

558

 

$

(157

)

$

401

 

Property tax abatement

 

7 - 13

 

38

 

(14

)

24

 

38

 

(10

)

28

 

Other agreements

 

25 - 70

 

37

 

(3

)

34

 

38

 

(2

)

36

 

Emission reduction credits (1)

 

N/A

 

8

 

—

 

8

 

8

 

—

 

8

 

 

 

 

 

$

674

 

$

(254

)

$

420

 

$

642

 

$

(169

)

$

473

 

 

 

(1)                                     Emission reduction credits, once surrendered in exchange for environmental permits, are finite-lived.

 
Estimated amortization expense related to finite-lived intangible assets for the next five years

 

 

2014

 

$

59

 

2015

 

$

52

 

2016

 

$

45

 

2017

 

$

42

 

2018

 

$

36