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Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of cash dividends declared

We declared and paid the following cash dividend to QSC:

			Years Ended December 31,
			2022						2021						2020
			(Dollars in millions)
Cash dividend declared to QSC			$	—					570						1,725
Cash dividend paid to QSC			—						570						1,725

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