Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax

	Gains and Losses on Cash Flow Hedges
(Millions of Dollars)	2022		2021
Accumulated other comprehensive loss at Jan. 1	$	—	$	—
Losses reclassified from net accumulated other comprehensive loss:
Interest rate derivatives (net of taxes of $—) (a)	—		—
Net current period other comprehensive income (loss)	—		—
Accumulated other comprehensive loss at Dec. 31	$	—	$	—

(a)Included in interest charges.