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REVENUE RECOGNITION (Tables)
 9 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of changes in allowance for credit losses
Changes in the allowance for credit losses are as follows:

(In millions)
Balance at June 30, 2020$36 
ASC 326 cumulative effect adjustment (pre-tax)4 
Adjustment for expected credit losses(5)
Write-offs, net & other(10)
Balance at March 31, 2021$25 
Schedule of significant changes in deferred revenue
Changes in deferred revenue during the period are as follows:

Three Months Ended
March 31		Nine Months Ended
March 31
(In millions)2021202020212020
Deferred revenue, beginning of period$420 $425 $279 $361 
Revenue recognized that was included in the deferred revenue balance at the beginning of the period(25)(26)(198)(268)
Revenue deferred (released) during the period(30)(37)278 269 
Other(4)— 2 — 
Deferred revenue, end of period$361 $362 $361 $362