XML 50 R20.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Pay vs Performance Disclosure - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Pay vs Performance Disclosure        
Net income (loss) attributable to TDS shareholders $ 3 $ (2) $ 32 $ 6