Leases - Schedule of Additional Information Related To Operating Lease (Detail) - Accounting Standards Update 2016-02 [Member] $ in Millions	6 Months Ended
	Dec. 31, 2019 USD ($)
Weighted-average remaining lease term	11 years 3 months 18 days
Weighted-average incremental borrowing rate	3.25%
Cash paid - Operating lease liabilities	$ 116
Operating lease right-of-use asset obtained in exchange for operating lease liabilities	$ 225