Equity-Based Compensation - Summary of Equity-Based Compensation (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Equity-based compensation	$ 32	$ 44	$ 47	$ 75
Intrinsic value of all settled equity-based awards	18	10	94	91
Tax benefit on settled equity-based awards	$ 4	$ 2	$ 21	$ 16

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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