CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY (DEFICIT) - USD ($) $ in Millions	Total	COMMON STOCK	RETAINED EARNINGS	RETAINED EARNINGS Cumulative Effect, Period of Adoption, Adjustment
Balance at beginning of period at Dec. 31, 2019		$ 10,050	$ 67	$ 3
Increase (Decrease) in Stockholder's Equity
Net income	$ 1,707		1,707
Dividends declared and paid to Qwest Services Corporation	(1,725)		(1,725)
Other			(4)
Balance at end of period at Dec. 31, 2020	10,098	10,050	48	$ 0
Increase (Decrease) in Stockholder's Equity
Accounting Standards Update [Extensible List]				Accounting Standards Update 2016-13 [Member]
Net income	2,107		2,107
Dividends declared and paid to Qwest Services Corporation	(570)		(570)
Other			0
Balance at end of period at Dec. 31, 2021	11,635	10,050	1,585	$ 0
Increase (Decrease) in Stockholder's Equity
Net income	1,919		1,919
Dividends declared and paid to Qwest Services Corporation	0
Other			0
Balance at end of period at Dec. 31, 2022	$ 13,554	$ 10,050	$ 3,504