Selected Balance Sheet Data

6 Months Ended

Jun. 30, 2021

Balance Sheet Related Disclosures [Abstract]

Selected Balance Sheet Data

(Millions of Dollars)	June 30, 2021		Dec. 31, 2020
Accounts receivable, net
Accounts receivable	$	126	$	102
Less allowance for bad debts	(10)		(8)
Accounts receivable, net	$	116	$	94

(Millions of Dollars)	June 30, 2021		Dec. 31, 2020
Inventories
Materials and supplies	$	28	$	27
Fuel	18		9
Total inventories	$	46	$	36

(Millions of Dollars)	June 30, 2021		Dec. 31, 2020
Property, plant and equipment, net
Electric plant	$	9,418	$	9,229
Plant to be retired (a)	308		316
CWIP	231		146
Total property, plant and equipment	9,957		9,691
Less accumulated depreciation	(2,201)		(2,088)
Property, plant and equipment, net	$	7,756	$	7,603