RESTRUCTURING PROGRAM - RESTRUCTURING RESERVE BY TYPE OF COSTS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2019
Restructuring Reserve [Roll Forward]
6/30/2018		$ 513	$ 513
Restructuring Charges	$ 116	314	430
Cash Spent			(394)
Charges Against Assets			(102)
3/31/2019	447		447
Separations
Restructuring Reserve [Roll Forward]
6/30/2018		259	259
Restructuring Charges	57	109
Cash Spent			(188)
Charges Against Assets			0
3/31/2019	237		237
Asset-related Costs
Restructuring Reserve [Roll Forward]
6/30/2018		0	0
Restructuring Charges	52	50
Cash Spent			0
Charges Against Assets			(102)
3/31/2019	0		0
Other Costs
Restructuring Reserve [Roll Forward]
6/30/2018		254	254
Restructuring Charges	7	$ 155
Cash Spent			(206)
Charges Against Assets			0
3/31/2019	$ 210		$ 210

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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