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Component: (Network and Table)
Network
100330 - Disclosure - Allowance for Uncollectible Accounts (Tables)
(http://www.amwater.com/20161231/taxonomy/role/DisclosureAllowanceForUncollectibleAccountsTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001410636 (http://www.sec.gov/CIK)
Financing Receivable Allowance For Credit Loss Additional Information [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Financing Receivable Allowance For Credit Loss Additional Information [Abstract]
 
Schedule of Allowances for Uncollectible Accounts

The following table summarizes the changes in the Company’s allowances for uncollectible accounts for the years ended December 31:

 

 

2016

 

 

2015

 

 

2014

 

Balance as of January 1

$

(39

)

 

$

(35

)

 

$

(34

)

Amounts charged to expense

 

(27

)

 

 

(32

)

 

 

(37

)

Amounts written off

 

29

 

 

 

31

 

 

 

38

 

Recoveries of amounts written off

 

(3

)

 

 

(3

)

 

 

(2

)

Balance as of December 31

$

(40

)

 

$

(39

)

 

$

(35

)