XML 24 R13.htm IDEA: XBRL DOCUMENT v3.19.2
Selected Balance Sheet Data
 6 Months Ended
Jun. 30, 2019
Balance Sheet Related Disclosures [Abstract]  
Selected Balance Sheet Data Selected Balance Sheet Data
(Millions of Dollars)
 
June 30, 2019
 
Dec. 31, 2018
Accounts receivable, net
 
 
 
 
Accounts receivable
 
$
786

 
$
915

Less allowance for bad debts
 
(49
)
 
(55
)
 
 
$
737

 
$
860


(Millions of Dollars)
 
June 30, 2019
 
Dec. 31, 2018
Inventories
 
 
 
 
Materials and supplies
 
$
272

 
$
271

Fuel
 
164

 
170

Natural gas
 
47

 
107

 
 
$
483

 
$
548


(Millions of Dollars)
 
June 30, 2019
 
Dec. 31, 2018
Property, plant and equipment, net
 
 
 
 
Electric plant
 
$
43,006

 
$
41,472

Natural gas plant
 
6,289

 
6,210

Common and other property
 
2,215

 
2,154

Plant to be retired (a)
 
290

 
322

CWIP
 
1,745

 
2,091

Total property, plant and equipment
 
53,545

 
52,249

Less accumulated depreciation
 
(16,278
)
 
(15,659
)
Nuclear fuel
 
2,859

 
2,771

Less accumulated amortization
 
(2,475
)
 
(2,417
)
 
 
$
37,651

 
$
36,944


(a) 
In 2018, the CPUC approved early retirement of PSCo’s Comanche Units 1 and 2 in approximately 2022 and 2025, respectively. PSCo also expects Craig Unit 1 to be retired early in 2025. Amounts are presented net of accumulated depreciation.