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Fair Value - Liabilities Measured on Recurring Basis (Detail) - Redeemable Noncontrolling Interests - Level 3 - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period $ (261) $ (305)
Acquisitions (45) 0
Net loss (income) 1 (4)
Distributions 3 6
Accretion and other 0 (7)
End of period $ (302) $ (310)