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Debt with Affiliated Companies (Details) (Affiliated Entity [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Notes payable within one year	$ 78	$ 466
Notes payable after one year	236	91
Debt with affiliated companies	360	605
Other short-term debt [Member]
Debt Instrument [Line Items]
Debt with affiliated companies	$ 46	$ 48

The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References+ Details

- Definition

The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle).

+ References+ Details