Soliciting Material Soliciting Material Written Communications Written Communications Common Shares Common Class B [Member] Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Amendment Flag Amendment Flag Depositary Shares each representing a 1/1000th interest in a share of 6.000% Series VV Cumulative Redeemable Perpetual Preferred Stock, $.01 par value PreferredStockMember2 [Member] TDS Series VV preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company. Entity Emerging Growth Company Entity Emerging Growth Company Entity File Number Entity File Number Security Exchange Name Security Exchange Name Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One City Area Code City Area Code Document Period End Date Document Period End Date Pre-commencement Tender Offer Pre-commencement Tender Offer Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Entity Central Index Key Entity Central Index Key Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Tax Identification Number Entity Tax Identification Number Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol Statement [Table] Statement [Table] Depositary Shares each representing a 1/1000th interest in a share of 6.625% Series UU Cumulative Redeemable Perpetual Preferred Stock, $.01 par value Preferred Stock Member 1 [Member] TDS Series UU preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title of 12(b) Security Title of 12(b) Security Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town Document Type Document Type