Revenue Recognition (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized that was included in deferred revenue at beginning of period	$ 152
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation	$ 984
Revenue, remaining performance obligation, percentage to be recognized	60.00%
Revenue, remaining performance obligation, expected timing of satisfaction	12 months