Leases - Narrative (Details) $ in Millions	1 Months Ended	9 Months Ended
	Mar. 31, 2020 USD ($)	Apr. 30, 2020 USD ($) option_to_extend
Lessee, Lease, Description [Line Items]
Number of options to extend | option_to_extend		1
Option to extend operating leases		10 years
Reduction of lease liability	$ 61
Reduction of right-of-use asset	$ 61
Leases not yet commenced		$ 80
Reduction of future lease obligations		$ 18
Minimum
Lessee, Lease, Description [Line Items]
Terms for leases not yet commenced		3 years
Option to accelerate, term		10 years
Maximum
Lessee, Lease, Description [Line Items]
Operating lease terms		11 years
Operating sublease terms		5 years
Terms for leases not yet commenced		11 years
Option to accelerate, term		3 years