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EMPLOYEE BENEFIT PLANS (Net Actuarial Loss (Gain) and Prior Service Cost (Benefit) Activity Recorded in Accumulated Other Comprehensive Loss (Income)) (Details) $ in Millions | 12 Months Ended
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Jun. 30, 2019 USD ($)
Retirement Income Plans [Member] | Other Postretirement Benefits Plan [Member] |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Net actuarial loss (gain) as of beginning of year | $ 242
Amortization during the year | (9)
Loss (gain) during the year | 3
Net actuarial loss (gain) as of end of year | 236
Retirement Health Care [Member] | Retirement Health Care Plans [Member] |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Net actuarial loss (gain) as of beginning of year | (17)
Amortization during the year | 2
Loss (gain) during the year | (3)
Net actuarial loss (gain) as of end of year | $ (18)

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- Definition The accumulated change in the value of either the projected benefit obligation or the plans assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost pursuant to FAS 87 and 106. + References No definition available. + Details
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- Definition The adjustment out of other comprehensive income for actuarial gains (losses) recognized as a component of net periodic benefit cost during the period. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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