Revenues - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Allowance for credit loss	$ 109		$ 111
Deferred revenue	1,160		1,060
Revenue recognized	300	$ 400
Unrecognized revenue	9,000
Performance obligation satisfied	100	$ 200
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01
Disaggregation of Revenue [Line Items]
Unrecognized revenue	$ 3,000
Remaining performance obligation period	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Disaggregation of Revenue [Line Items]
Unrecognized revenue	$ 2,000
Remaining performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Disaggregation of Revenue [Line Items]
Unrecognized revenue	$ 1,000
Remaining performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Disaggregation of Revenue [Line Items]
Unrecognized revenue	$ 3,000
Remaining performance obligation period
Other Assets
Disaggregation of Revenue [Line Items]
Noncurrent receivables	$ 1,510		$ 1,610