Revenue Recognition - Additional Information - Contract Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Business Customers | Weighted Average
Contract Costs [Line Items]
Length of customer life			35 months
Contract acquisition costs
Capitalized Contract Cost [Line Items]
Change in contract costs held for sale	$ 0	$ 0	$ (4)	$ 0
Contract fulfillment costs
Capitalized Contract Cost [Line Items]
Change in contract costs held for sale	$ 0	$ (1)	$ (14)	$ (1)