Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2012

Fair Value Measurements [Abstract]

Schedule Of Fair Value Of Derivatives, Net Of Legal Right To Offset Derivative Settlements

	March 31, 2012		September 30, 2011
	Level 2 Inputs		Level 2 Inputs
	(Dollars in millions)
Assets at fair value:
Guaranteed investment contract(1)	$	14	$	14
Derivatives relating to interest rates(2)		2		3
Derivatives relating to foreign currency(2)		2		—
Total assets at fair value	$	18	$	17
Liabilities at fair value:
Derivatives relating to foreign currency(2)	$	36	$	41
Hedged long-term debt(3)		60		61
Total liabilities at fair value	$	96	$	102

⁽¹⁾  Included in "Other assets" in the Consolidated Balance Sheets.

⁽²⁾  Included in "Prepaid expenses and other current assets", "Other assets", "Accounts payable and accrued liabilities" or "Other liabilities" in the Consolidated Balance Sheets.

⁽³⁾ Included in "Current portion of long-term debt" and "Long-term debt" in the Consolidated Balance Sheets.