3.25.1 html 46 39 1 false 16 0 false 3 false false R1.htm 995100 - Document - Cover Sheet http://xbrl.sec.gov/dei/role/document/Cover Cover Cover 1 false false R2.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 2 false false R3.htm 995443 - Disclosure - Award Timing Disclosure Sheet http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure Award Timing Disclosure Notes 3 false false R4.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 4 false false All Reports Book All Reports d877179ddef14a.htm tmus-20241231.xsd tmus-20241231_def.xml tmus-20241231_lab.xml tmus-20241231_pre.xml g877179dsp098.jpg g877179g00a04.jpg g877179g00a08.jpg g877179g00a10.jpg g877179g00b04.jpg g877179g00c04.jpg g877179g00d04.jpg g877179g00z01.jpg g877179g01r02.jpg g877179g01v01.jpg g877179g03y22.jpg g877179g07v07.jpg g877179g09b01.jpg g877179g09n02.jpg g877179g10p04.jpg g877179g11a11.jpg g877179g11a12.jpg g877179g12a02.jpg g877179g20a20.jpg g877179g23a01.jpg g877179g24g24.jpg g877179g24x24.jpg g877179g25g25.jpg g877179g25z14.jpg g877179g26g26.jpg g877179g27a10.jpg g877179g28o33.jpg g877179g29a10.jpg g877179g30a17.jpg g877179g30g01.jpg g877179g30g02.jpg g877179g30g03.jpg g877179g30g05.jpg g877179g30g06.jpg g877179g30g07.jpg g877179g30g08.jpg g877179g30g09.jpg g877179g30g10.jpg g877179g30g11.jpg g877179g30g12.jpg g877179g30g13.jpg g877179g30g15.jpg g877179g32a01.jpg g877179g33p98.jpg g877179g34g34.jpg g877179g38_87.jpg g877179g43j14.jpg g877179g44a04.jpg g877179g47a07.jpg g877179g47g47.jpg g877179g48h18.jpg g877179g50a05.jpg g877179g52a02.jpg g877179g55a15.jpg g877179g55v57.jpg g877179g60a06.jpg g877179g60k00.jpg g877179g62b92.jpg g877179g63a03.jpg g877179g66a01.jpg g877179g68a08.jpg g877179g69x33.jpg g877179g80j26.jpg g877179g92t47.jpg g877179g94h73.jpg g877179kelvinwestbrook.jpg g877179leroy.jpg g877179page001.jpg g877179page002.jpg g877179teresataylor.jpg g877179thorstenlangheim.jpg http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 true false