Product Warranties (Details) (USD $) In Millions	9 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Product Warranty Liability
Balance at beginning of period	$ 337	$ 344
Accruals for warranties issued during the period	150	169
Accruals from acquisitions		2
Accruals related to pre-existing warranties (including changes in estimates)	(32)	(1)
Settlements made (in cash or in kind) during the period	(165)	(184)
Currency translation	5	(9)
Balance at end of period	$ 295	$ 321
Product Warranties (Textuals)
Maximum length, in years, of a product warranty for it to be recorded in other current liabilities	1 year
Minimum length, in years, of a product warranty for it to be recorded in other noncurrent liabilities	1 year

Maximum length, in years, of a product warranty for it to be recorded in other current liabilities.

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- Definition

Minimum length, in years, of a product warranty for it to be recorded in other noncurrent liabilities.

+ Details

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- Definition

Product Warranties.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph 5
-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10

+ Details

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- Definition

Total liability for standard and extended product warranties acquired in a business acquisition.

+ Details

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- Definition

Total increase (decrease) in the standard and extended product warranty liability due to currency translation.

+ Details

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- Definition

Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

+ Details

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- Definition

Represents the aggregate increase (decrease) in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates).

+ Details

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- Definition

Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

+ Details

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- Details

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