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REVENUE RECOGNITION (Tables)
3 Months Ended
Sep. 30, 2020
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)September 30
2020
Balance at June 30, 2020$36 
ASC 326 cumulative effect adjustment (pre-tax)
Provision for expected credit losses
Write-offs, net & other
Balance at September 30, 2020$46 
Schedule of significant changes in deferred revenue
Changes in deferred revenue during the period are as follows:
(In millions)September 30
2020
Balance at June 30, 2020$279 
Revenue recognized that was included in the deferred revenue balance at the beginning of the period(90)
Revenue deferred during the period216 
Other
Balance at September 30, 2020$409