Revenue Recognition - Additional Information, Contract Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Jan. 01, 2024	Jan. 01, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized from prior year contract liability	$ 122	$ 135
Contract liabilities	$ 236		$ 244	$ 244	$ 269
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract term	1 year
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract term	5 years
Weighted Average | Mass Markets Customers, Average Contract Life
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Length of customer life	47 months
Weighted Average | Business Customer, Average Contract Life
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Length of customer life	34 months