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Leases (Tables)
12 Months Ended
Dec. 31, 2011
Leases  
Estimated future minimum lease payments for Pinnacle West's and APS's operating leases, excluding purchased power agreements

 

 

Year

 

Pinnacle West
Consolidated

 

APS

 

2012

 

$

21

 

$

18

 

2013

 

18

 

15

 

2014

 

15

 

12

 

2015

 

13

 

10

 

2016

 

2

 

2

 

Thereafter

 

23

 

22

 

Total future lease commitments

 

$

92

 

$

79