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Commitments and Contingencies Commitments and Contingencies - (Tables)
 12 Months Ended
Dec. 31, 2015
MidAmerican Energy Company [Member]  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
MidAmerican Energy had the following firm commitments that are not reflected on the Balance Sheet. Minimum payments as of December 31, 2015, are as follows (in millions):
 
 
 
 
 
 
 
 
 
 
 
 
2021 and
 
 
 
 
2016
 
2017
 
2018
 
2019
 
2020
 
Thereafter
 
Total
Contract type:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Coal and natural gas for generation
 
$
173

 
$
113

 
$
72

 
$
29

 
$
—

 
$
—

 
$
387

Electric capacity and transmission
 
30

 
30

 
11

 
10

 
10

 
58

 
149

Natural gas contracts for gas operations
 
131

 
69

 
31

 
11

 
10

 
30

 
282

Construction commitments
 
535

 
10

 
—

 
—

 
—

 
—

 
545

Easements and operating leases
 
17

 
17

 
17

 
16

 
15

 
516

 
598

Maintenance and services contracts
 
47

 
59

 
71

 
73

 
73

 
265

 
588

 
 
$
933

 
$
298

 
$
202

 
$
139

 
$
108

 
$
869

 
$
2,549