Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Lease income	$ 257	$ 334	$ 526	$ 671
Percent of operating revenue (as a percent)	7.00%	7.00%	7.00%	7.00%
Revenue recognized	$ 42	$ 52	$ 347	$ 447
Contract liabilities					$ 715	$ 841
Remaining performance obligation	6,900		6,900
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 1,600		$ 1,600
Remaining performance obligation, satisfaction period	6 months		6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 2,000		$ 2,000
Remaining performance obligation, satisfaction period	1 year		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 3,300		$ 3,300
Remaining performance obligation, satisfaction period	3 years		3 years
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract term (in years)			1 year
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract term (in years)			5 years
Weighted Average | Mass Market Customers
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Length of customer life (in months)			36 months
Weighted Average | Business Customers
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Length of customer life (in months)			33 months