Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Line Items]
Impairment charges to operating lease right-of-use assets		$ 161
Operating Lease
Leases [Line Items]
Additional leases, primarily for datacenters, that have not yet commenced	$ 5,400
Finance Lease
Leases [Line Items]
Additional leases, primarily for datacenters, that have not yet commenced	$ 7,300
Minimum
Leases [Line Items]
Operating and Finance leases, remaining lease terms	1 year
Additional operating leases that have not yet commenced, lease terms	1 year
Additional finance leases that have not yet commenced, lease terms	1 year
Maximum
Leases [Line Items]
Operating and Finance leases, remaining lease terms	15 years
Operating leases, options to extend leases term	5 years
Finance leases, options to extend leases term	5 years
Operating and Finance leases, options to terminate leases term	1 year
Additional operating leases that have not yet commenced, lease terms	15 years
Additional finance leases that have not yet commenced, lease terms	15 years