Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total Revenue	$ 1,541	$ 1,656
Adjustments for non-ASC 606 revenue	(82)	(104)
Total Revenue from Contracts with Customers	1,459	1,552
Other Broadband
Disaggregation of Revenue [Line Items]
Total Revenue	293	334
Adjustments for non-ASC 606 revenue	(25)	(28)
Total Revenue from Contracts with Customers	268	306
Voice and Other
Disaggregation of Revenue [Line Items]
Total Revenue	156	194
Adjustments for non-ASC 606 revenue	(4)	(16)
Total Revenue from Contracts with Customers	152	178
Fiber Broadband
Disaggregation of Revenue [Line Items]
Total Revenue	121	110
Adjustments for non-ASC 606 revenue	(3)	(3)
Total Revenue from Contracts with Customers	118	107
Harvest
Disaggregation of Revenue [Line Items]
Total Revenue	267	287
Adjustments for non-ASC 606 revenue	(37)	(41)
Total Revenue from Contracts with Customers	230	246
Nurture
Disaggregation of Revenue [Line Items]
Total Revenue	105	112
Adjustments for non-ASC 606 revenue	(2)	(2)
Total Revenue from Contracts with Customers	103	110
Grow
Disaggregation of Revenue [Line Items]
Total Revenue	39	38
Adjustments for non-ASC 606 revenue	0	(3)
Total Revenue from Contracts with Customers	39	35
Affiliate Services
Disaggregation of Revenue [Line Items]
Total Revenue	560	581
Adjustments for non-ASC 606 revenue	(11)	(11)
Total Revenue from Contracts with Customers	$ 549	$ 570