XML 61 R38.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2019
Summary of Significant Accounting Policies [Abstract]  
Estimated average service lives [Table Text Block] Depreciation is provided on PGE’s other classes of plant in service over their estimated average service lives, which are as follows (in years):
Generation, excluding thermal:
 
Hydro
98
Wind
30
Transmission
59
Distribution
46
General
12
Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block] The following table illustrates the adjustments made upon adoption of Topic 842 and the corresponding line items affected on the Company’s consolidated balance sheets (in millions):
 
January 1, 2019 Topic 842 Adoption Adjustments
 
Increase due to existing operating and finance leases
 
Decrease due to build-to-suit reassessment
 
Decrease due to capital lease reassessment
 
Total
Increase/(Decrease)
Assets
 
 
 
 
 
 
 
Electric utility plant, net
$
2

 
$
(131
)
 
$
(49
)
 
$
(178
)
Other noncurrent assets
42

 
—

 
—

 
42

 
 
 
 
 
 
 
 
Liabilities
 
 
 
 
 
 
 
Accrued expenses and other current liabilities
5

 
—

 
(2
)
 
3

Other noncurrent liabilities
39

 
(131
)
 
(47
)
 
(139
)