Litigation - Middle East and Africa (Details) - item	1 Months Ended
Dec. 31, 2009	Sep. 30, 2008
EGYPT
Disclosure of contingent liabilities [line items]
Number of decrees imposing rate adjustments to agreements	2	2

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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