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Other, Net (Notes)
 12 Months Ended
Dec. 31, 2019
MidAmerican Energy Company [Member]  
Component of Other Income (Expense), Nonoperating [Line Items]  
Other, Net [Text Block]
Other Income (Expense) - Other, Net

Other, net, as shown on the Statements of Operations, includes the following other income (expense) items for the years ended December 31 (in millions):
 
2019
 
2018
 
2017
 
 
 
 
 
 
Non-service cost components of postretirement employee benefit plans
$
17

 
$
21

 
$
18

Corporate-owned life insurance income
24

 
6

 
13

Interest income and other, net
9

 
3

 
6

Total
$
50

 
$
30

 
$
37
MidAmerican Funding, LLC and Subsidiaries [Domain]  
Component of Other Income (Expense), Nonoperating [Line Items]  
Other, Net [Text Block]
Other Income (Expense) - Other, Net

Other, net, as shown on the Consolidated Statements of Operations, includes the following other income (expense) items for the years ended December 31 (in millions):
 
2019
 
2018
 
2017
 
 
 
 
 
 
Non-service cost components of postretirement employee benefit plans
$
17

 
$
21

 
$
18

Corporate-owned life insurance income
24

 
6

 
13

Loss on debt tender offer
—

 
—

 
(29
)
Interest income and other, net
11

 
4

 
7

Total
$
52

 
$
31

 
$
9


Refer to Note 8 for information regarding the debt tender offer.