Selected Balance Sheet Data

3 Months Ended

Mar. 31, 2024

Balance Sheet Related Disclosures [Abstract]

Selected Balance Sheet Data

(Millions of Dollars)	March 31, 2024		Dec. 31, 2023
Accounts receivable, net
Accounts receivable	$	537	$	548
Less allowance for bad debts	(53)		(56)
Accounts receivable, net	$	484	$	492

(Millions of Dollars)	March 31, 2024		Dec. 31, 2023
Inventories
Materials and supplies	$	93	$	91
Fuel	64		83
Natural gas	39		84
Total inventories	$	196	$	258

(Millions of Dollars)	March 31, 2024		Dec. 31, 2023
Property, plant and equipment, net
Electric plant	$	16,832	$	16,698
Natural gas plant	6,421		6,321
Common and other property	1,474		1,472
Plant to be retired (a)	1,164		1,203
Construction work in progress	1,799		1,310
Total property, plant and equipment	27,690		27,004
Less accumulated depreciation	(6,088)		(5,969)
Property, plant and equipment, net	$	21,602	$	21,035

(a)Amounts include Comanche Units 2 and 3, Craig Units 1 and 2, Hayden Units 1 and 2 and coal generation assets at Pawnee pending facility gas conversion. Amounts are presented net of accumulated depreciation.