Selected Balance Sheet Data

9 Months Ended

Sep. 30, 2021

Balance Sheet Related Disclosures [Abstract]

Selected Balance Sheet Data

(Millions of Dollars)	Sept. 30, 2021		Dec. 31, 2020
Accounts receivable, net
Accounts receivable	$	160	$	102
Less allowance for bad debts	(11)		(8)
Accounts receivable, net	$	149	$	94

(Millions of Dollars)	Sept. 30, 2021		Dec. 31, 2020
Inventories
Materials and supplies	$	29	$	27
Fuel	15		9
Total inventories	$	44	$	36

(Millions of Dollars)	Sept. 30, 2021		Dec. 31, 2020
Property, plant and equipment, net
Electric plant	$	9,439	$	9,229
Plant to be retired (a)	303		316
CWIP	285		146
Total property, plant and equipment	10,027		9,691
Less accumulated depreciation	(2,237)		(2,088)
Property, plant and equipment, net	$	7,790	$	7,603