RETIREMENT PENSION PLANS (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2015	Sep. 30, 2014 U.S. Plans [Member]	Sep. 30, 2013 U.S. Plans [Member]	Sep. 30, 2014 Non- U.S. Plans [Member]	Sep. 30, 2013 Non- U.S. Plans [Member]	Sep. 30, 2014 Total Pension Plans [Member]	Sep. 30, 2013 Total Pension Plans [Member]	Sep. 30, 2012 Total Pension Plans [Member]
Change in PBO
APBO - beginning of year			$ 1,794	$ 1,017	$ 1,312	$ 691	$ 754	$ 1,708	$ 2,066
Service cost				1	1	1	2	2	3	2
Interest cost				49	54	31	29	80	83	91
Actuarial gain			27	67	(102)	38	17	105	(85)
Curtailment gain				0	(4)	0	(1)	0	(5)
Settlements	(178)	(68)		0	(178)	0	(70)	0	(248)
Amendments				(4)	0	0	0	(4)	0
Benefit payments				(71)	(66)	(28)	(33)	(99)	(99)
Foreign currency rate changes				0	0	2	(7)	2	(7)
APBO - end of year	1,708			1,059	1,017	735	691	1,794	1,708	2,066
Change in plan assets
Fair value of assets - beginning of year			1,575	710	864	657	673	1,367	1,537
Actual return on plan assets				94	3	69	53	163	56
Employer contributions				99	66	38	49	137	115
Settlements	(157)	(72)		0	(157)	0	(74)	0	(231)
Benefit payments				(71)	(66)	(28)	(33)	(99)	(99)
Foreign currency rate changes				0	0	7	(11)	7	(11)
Fair value of assets - end of year	1,367			832	710	743	657	1,575	1,367	1,537
Funded status				$ (227)	$ (307)	$ 8	$ (34)	$ (219)	$ (341)