RETIREMENT PENSION PLANS (Details 7) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Settlement loss	$ 73	$ 36	$ 0	$ 109	$ 0
Total Pension Plans [Member]
Service cost			2	3	2
Interest cost			80	83	91
Assumed rate of return on plan assets			(104)	(112)	(105)
Amortization of - Actuarial losses			23	26	22
Curtailment gain			0	(1)	0
Settlement loss			0	111	1
Retiree medical expense - total company			$ 1	$ 110	$ 11