Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2025

Stockholders' Equity Note [Abstract]

Schedule of cash dividends declared

We declared and paid the following cash dividend to QSC:

	Years Ended December 31,
	2025		2024	2023
	(Dollars in millions)
Cash dividend declared to QSC	$	—	—	1,980
Cash dividend paid to QSC(1)	—		—	1,980

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(1) In 2023, we declared a dividend of advances to affiliate to our parent.