Basis of Presentation (Details 2) number in Millions, $ in Millions		3 Months Ended	6 Months Ended
	Aug. 27, 2015 USD ($) state	Jun. 30, 2016 USD ($) state	Jun. 30, 2016 USD ($) state
Products and Services Revenues
Number of states in which entity operates (states) | state		14	14
CAF Phase 2 Support | CenturyLink, Inc.
Products and Services Revenues
Federal support, total amount per agreement | $	$ 500
Agreement term (in years)	6 years
Number of rural households and businesses	1.2
Number of states in which entity operates (states) | state	33
CAF Phase 2 Support | Qwest Corporation
Products and Services Revenues
Federal support, total amount per agreement | $	$ 150
Number of rural households and businesses	0.3
Number of states in which entity operates (states) | state	13	13	13
Incremental increase in other operating revenues - CAF Phase II | $		$ 24	$ 48