Revenue Recognition - Narrative (Details) $ in Millions	12 Months Ended
	Jun. 30, 2020 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	$ 33
Remaining performance obligation, amount	$ 5,138
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	85.00%
Remaining performance obligation, period	12 months