Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Schedule of cash dividends declared

We declared and paid the following cash dividend to QSC:

	Years Ended December 31,
	2021		2020	2019
	(Dollars in millions)
Cash dividend declared to QSC	$	570	1,725	1,600
Cash dividend paid to QSC	570		1,725	1,600