Repurchases of Lumen Common Stock (Details) - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2023
Equity [Abstract]
Repurchase program, period (in years)		2 years
Repurchase program, authorized amount	$ 1,300,000,000	$ 1,500,000,000	$ 1,300,000,000
Number of shares repurchased	0		0