Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total Revenue	$ 1,389	$ 1,467	$ 2,781	$ 3,008
Adjustments for non-ASC 606 revenue	(74)	(80)	(148)	(162)
Total Revenue from Contracts with Customers	1,315	1,387	2,633	2,846
Nurture
Disaggregation of Revenue [Line Items]
Total Revenue	237	283	489	576
Adjustments for non-ASC 606 revenue	(20)	(24)	(41)	(49)
Total Revenue from Contracts with Customers	217	259	448	527
Grow
Disaggregation of Revenue [Line Items]
Total Revenue	132	150	265	306
Adjustments for non-ASC 606 revenue	(4)	(4)	(8)	(8)
Total Revenue from Contracts with Customers	128	146	257	298
Harvest
Disaggregation of Revenue [Line Items]
Total Revenue	98	123	197	245
Adjustments for non-ASC 606 revenue	(3)	(3)	(6)	(6)
Total Revenue from Contracts with Customers	95	120	191	239
Fiber Broadband
Disaggregation of Revenue [Line Items]
Total Revenue	240	275	479	542
Adjustments for non-ASC 606 revenue	(31)	(36)	(63)	(73)
Total Revenue from Contracts with Customers	209	239	416	469
Voice and Other
Disaggregation of Revenue [Line Items]
Total Revenue	89	94	178	199
Adjustments for non-ASC 606 revenue	(2)	(2)	(4)	(4)
Total Revenue from Contracts with Customers	87	92	174	195
Other Broadband
Disaggregation of Revenue [Line Items]
Total Revenue	33	39	67	77
Adjustments for non-ASC 606 revenue	(2)	0	(2)	0
Total Revenue from Contracts with Customers	31	39	65	77
Affiliate Services
Disaggregation of Revenue [Line Items]
Total Revenue	560	503	1,106	1,063
Adjustments for non-ASC 606 revenue	(12)	(11)	(24)	(22)
Total Revenue from Contracts with Customers	$ 548	$ 492	$ 1,082	$ 1,041