XML 97 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1
Debt, long-term debt (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Jul. 31, 2015
Long-term debt      
Principal Amount $ 1,689 $ 1,677  
Unamortized discount and debt issuance costs 49 48  
Total long-term debt 1,640 1,629  
Current portion of long-term debt 18 11  
Long-term debt, net 1,622 1,618  
Long-term debt maturities      
Scheduled principal payments 2018 19    
Scheduled principal payments 2019 19    
Scheduled principal payments 2020 19    
Scheduled principal payments 2021 11    
Scheduled principal payments 2022 $ 158    
6.7% Senior Notes      
Long-term debt      
Interest rate on debt 6.70%    
Maturity date of debt issued Dec. 15, 2033    
Principal Amount $ 544 544  
Unamortized discount and debt issuance costs 15 15  
Long term debt $ 529 529  
6.7% Senior Notes | Minimum      
Long-term debt      
Date of debt issuance Dec. 08, 2003    
Call date of debt issued Dec. 08, 2003    
6.7% Senior Notes | Maximum      
Long-term debt      
Date of debt issuance Jun. 28, 2004    
Call date of debt issued Jun. 28, 2004    
6.95% Senior Notes      
Long-term debt      
Interest rate on debt 6.95%    
Date of debt issuance May 09, 2011    
Maturity date of debt issued May 15, 2060    
Call date of debt issued May 15, 2016    
Principal Amount $ 342 342  
Unamortized discount and debt issuance costs 11 11  
Long term debt $ 331 331  
7.25% Senior Notes due 2063      
Long-term debt      
Interest rate on debt 7.25%    
Date of debt issuance Dec. 08, 2014    
Maturity date of debt issued Dec. 01, 2063    
Call date of debt issued Dec. 08, 2019    
Principal Amount $ 275 275  
Unamortized discount and debt issuance costs 10 10  
Long term debt $ 265 265  
7.25% Senior Notes due 2064      
Long-term debt      
Interest rate on debt 7.25%    
Date of debt issuance Nov. 23, 2015    
Maturity date of debt issued Dec. 01, 2064    
Call date of debt issued Dec. 01, 2020    
Principal Amount $ 300 300  
Unamortized discount and debt issuance costs 10 10  
Long term debt $ 290 290  
U.S. Cellular Term loan facility      
Long-term debt      
Date of debt issuance Jul. 20, 2015    
Maturity date of debt issued Jan. 21, 2022    
Principal Amount $ 203 214 $ 225
Unamortized discount and debt issuance costs 2 2  
Long term debt 201 212  
Capital lease obligations      
Long-term debt      
Principal Amount 4 2  
Unamortized discount and debt issuance costs 0 0  
Capital lease obligations 4 2  
Installment payment agreement      
Long-term debt      
Principal Amount 21 0  
Unamortized discount and debt issuance costs 1 0  
Long term debt $ 20 $ 0