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Composition of Certain Financial Statement Items Accounts Receivable (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2013
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Sep. 30, 2012
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|---|---|---|
| Accounts Receivable, Net [Abstract] | ||
| Trade, net of allowances for doubtful accounts | $ 1,852 | $ 1,418 |
| Long-term contracts | 28 | 32 |
| Other | 9 | 9 |
| Accounts receivable, net | 1,889 | 1,459 |
| Allowance for doubtful accounts related to trade receivables | $ 2 | $ 1 |
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- Definition
Amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. No definition available.
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- Definition
Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amounts due as of the balance sheet date from parties or arising from transactions not otherwise specified in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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