Consolidated Statement of Changes in Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
TDS Common and Series A Common Share dividends (in dollars per share)	$ 0.72	$ 0.7	$ 0.68
Incentive and compensation plans	$ 14	$ 17	$ 18
Additional Paid-in Capital [Member]
Incentive and compensation plans	$ 18	$ 22	$ 21
Series UU Preferred Shares
TDS Preferred share dividends (in dollars per share)	$ 1,656	$ 1,380
Series VV Preferred Shares
TDS Preferred share dividends (in dollars per share)	$ 1,500	$ 558