RETIREMENT PENSION PLANS (Details 9) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
U.S. Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Return on Plan Assets: Attributable to Assets Held at Period End	$ 65	$ 94
Non-U.S. Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Return on Plan Assets: Attributable to Assets Held at Period End	67	69
Level 3 | U.S. Plans | Private equity
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value, beginning of period	15	5
Return on Plan Assets: Attributable to Assets Held at Period End	0	0
Purchases	0	10
Settlements	0	0
Net Transfers Into (Out of) Level 3	0	0
Fair Value, end of period	15	15
Level 3 | U.S. Plans | Partnerships Fixed Income
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value, beginning of period	1	1
Return on Plan Assets: Attributable to Assets Held at Period End	0	0
Purchases	0	0
Settlements	0	0
Net Transfers Into (Out of) Level 3	0	0
Fair Value, end of period	1	1
Level 3 | U.S. Plans | Alternatives – Partnerships
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value, beginning of period	58	49
Return on Plan Assets: Attributable to Assets Held at Period End	19	9
Purchases	8	0
Settlements	(1)	0
Net Transfers Into (Out of) Level 3	0	0
Fair Value, end of period	84	58
Level 3 | U.S. Plans | Total Level 3 fair value
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value, beginning of period	74	55
Return on Plan Assets: Attributable to Assets Held at Period End	19	9
Purchases	8	10
Settlements	(1)	0
Net Transfers Into (Out of) Level 3	0	0
Fair Value, end of period	$ 100	$ 74