FINANCIAL INSTRUMENTS - Level 3 Reconciliation (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, beginning of period	$ 3,000,000	$ 0
Purchases, issuances, sales and settlements:
Purchases	6,000,000	3,000,000
Settlements	(11,000,000)	0
Transfer in and / or out of Level 3	0	0
Reclass between short-term and long-term	1,000,000	0
Fair Value, end of period	2,000,000	3,000,000
Level 3 | Foreign Currency Option Contracts | Other Current Assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, beginning of period	2,000,000	0
Purchases, issuances, sales and settlements:
Purchases	6,000,000	3,000,000
Settlements	(10,000,000)	0
Transfer in and / or out of Level 3	0	0
Reclass between short-term and long-term	0	(1,000,000)
Fair Value, end of period	1,000,000	2,000,000
Level 3 | Foreign Currency Option Contracts | Other Noncurrent Assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, beginning of period	1,000,000	0
Purchases, issuances, sales and settlements:
Purchases	0	0
Settlements	(1,000,000)	0
Transfer in and / or out of Level 3	0	0
Reclass between short-term and long-term	1,000,000	1,000,000
Fair Value, end of period	1,000,000	1,000,000
Other Income | Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total unrealized gains (losses)	(1,000,000)	0
Total realized gains (losses)	2,000,000	0
Other Income | Level 3 | Foreign Currency Option Contracts | Other Current Assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total unrealized gains (losses)	(1,000,000)	0
Total realized gains (losses)	2,000,000	0
Other Income | Level 3 | Foreign Currency Option Contracts | Other Noncurrent Assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total unrealized gains (losses)	0	0
Total realized gains (losses)	0	0
Cost of Sales | Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total unrealized gains (losses)	(1,000,000)	0
Total realized gains (losses)	3,000,000	0
Cost of Sales | Level 3 | Foreign Currency Option Contracts | Other Current Assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total unrealized gains (losses)	(1,000,000)	0
Total realized gains (losses)	3,000,000	0
Cost of Sales | Level 3 | Foreign Currency Option Contracts | Other Noncurrent Assets
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total unrealized gains (losses)	0	0
Total realized gains (losses)	$ 0	$ 0
Maximum | Foreign Exchange Forward
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative, term of contract	1 year
India, Rupees | Foreign Currency Option Contracts
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total realized gains (losses)	$ 2,000,000
Brazil, Brazil Real | Foreign Currency Option Contracts
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Total realized gains (losses)	2,000,000
Derivative, notional amount	48,000,000
Sweden, Kronor | Foreign Currency Option Contracts
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Derivative, notional amount	30,000,000
Euro Member Countries, Euro | Foreign Currency Option Contracts
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Derivative, notional amount	$ 27,000,000