RETIREMENT PENSION PLANS (Details 2) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Change in PBO
APBO - beginning of year		$ 1,794,000,000
Actuarial gain		10,000,000
APBO - end of year		1,656,000,000	$ 1,794,000,000
Change in plan assets
Fair value of assets - beginning of year		1,575,000,000
Fair value of assets - end of year		1,547,000,000	1,575,000,000
U.S. Plans
Change in PBO
APBO - beginning of year		1,059,000,000	1,017,000,000
Service cost		1,000,000	1,000,000
Interest cost		44,000,000	49,000,000
Actuarial gain		10,000,000	67,000,000
Settlements	$ (178,000,000)	0	0
Amendments		0	(4,000,000)
Benefit payments		(72,000,000)	(71,000,000)
Foreign currency rate changes		0	0
APBO - end of year	1,017,000,000	1,042,000,000	1,059,000,000	$ 1,017,000,000
Change in plan assets
Fair value of assets - beginning of year		832,000,000	710,000,000
Actual return on plan assets		65,000,000	94,000,000
Employer contributions		5,000,000	99,000,000
Settlements	(157,000,000)	0	0
Benefit payments		(72,000,000)	(71,000,000)
Foreign currency rate changes		0	0
Fair value of assets - end of year	710,000,000	830,000,000	832,000,000	710,000,000
Funded status		(212,000,000)	(227,000,000)
Non-U.S. Plans
Change in PBO
APBO - beginning of year		735,000,000	691,000,000
Service cost		1,000,000	1,000,000
Interest cost		26,000,000	31,000,000
Actuarial gain		48,000,000	38,000,000
Settlements		(111,000,000)	0
Amendments		0	0
Benefit payments		(29,000,000)	(28,000,000)
Foreign currency rate changes		(56,000,000)	2,000,000
APBO - end of year	691,000,000	614,000,000	735,000,000	691,000,000
Change in plan assets
Fair value of assets - beginning of year		743,000,000	657,000,000
Actual return on plan assets		67,000,000	69,000,000
Employer contributions		7,000,000	38,000,000
Settlements		(20,000,000)	0
Benefit payments		(29,000,000)	(28,000,000)
Foreign currency rate changes		(51,000,000)	7,000,000
Fair value of assets - end of year	657,000,000	717,000,000	743,000,000	657,000,000
Funded status		103,000,000	8,000,000
Total Pension Plans
Change in PBO
APBO - beginning of year		1,794,000,000	1,708,000,000
Service cost		2,000,000	2,000,000	3,000,000
Interest cost		70,000,000	80,000,000	83,000,000
Actuarial gain		58,000,000	105,000,000
Settlements		(111,000,000)	0
Amendments		0	(4,000,000)
Benefit payments		(101,000,000)	(99,000,000)
Foreign currency rate changes		(56,000,000)	2,000,000
APBO - end of year	1,708,000,000	1,656,000,000	1,794,000,000	1,708,000,000
Change in plan assets
Fair value of assets - beginning of year		1,575,000,000	1,367,000,000
Actual return on plan assets		132,000,000	163,000,000
Employer contributions		12,000,000	137,000,000
Settlements		(20,000,000)	0
Benefit payments		(101,000,000)	(99,000,000)
Foreign currency rate changes		(51,000,000)	7,000,000
Fair value of assets - end of year	$ 1,367,000,000	1,547,000,000	1,575,000,000	$ 1,367,000,000
Funded status		$ (109,000,000)	$ (219,000,000)