RESTRUCTURING PROGRAM - RESTRUCTURING RESERVE BY TYPE OF COSTS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2018
Restructuring Reserve [Roll Forward]
Reserve Balance June 30, 2018		$ 513	$ 513
Restructuring Charges	$ 177	137	314
Cash Spent			(295)
Charges Against Assets			(50)
Reserve Balance December 31, 2018	482		482
Separations
Restructuring Reserve [Roll Forward]
Reserve Balance June 30, 2018		259	259
Restructuring Charges	56	53
Cash Spent			(115)
Charges Against Assets			0
Reserve Balance December 31, 2018	253		253
Asset-related Costs
Restructuring Reserve [Roll Forward]
Reserve Balance June 30, 2018		0	0
Restructuring Charges	22	28
Cash Spent			0
Charges Against Assets			(50)
Reserve Balance December 31, 2018	0		0
Other Costs
Restructuring Reserve [Roll Forward]
Reserve Balance June 30, 2018		254	254
Restructuring Charges	99	$ 56
Cash Spent			(180)
Charges Against Assets			0
Reserve Balance December 31, 2018	$ 229		$ 229

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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