RESTRUCTURING PROGRAM - RESTRUCTURING RESERVE BY TYPE OF COSTS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Restructuring Reserve [Roll Forward]
Accrual Balance June 30, 2017		$ 277	$ 277
Restructuring Charges	$ 205	311	516
Cash Spent			(290)
Charges Against Assets			(232)
Accrual Balance March 31, 2018	271		271
Separations
Restructuring Reserve [Roll Forward]
Accrual Balance June 30, 2017		228	228
Restructuring Charges	69	113
Cash Spent			(177)
Charges Against Assets			0
Accrual Balance March 31, 2018	233		233
Asset-related Costs
Restructuring Reserve [Roll Forward]
Accrual Balance June 30, 2017		0	0
Restructuring Charges	88	144
Cash Spent			0
Charges Against Assets			(232)
Accrual Balance March 31, 2018	0		0
Other Costs
Restructuring Reserve [Roll Forward]
Accrual Balance June 30, 2017		49	49
Restructuring Charges	48	$ 54
Cash Spent			(113)
Charges Against Assets			0
Accrual Balance March 31, 2018	$ 38		$ 38

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b)(2))
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