Trade Accounts Receivable, Net (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Trade accounts receivable, net
Trade accounts receivable	$ 1,061	$ 1,247
Provision for doubtful accounts	15	17
Total	1,046	1,230
Accounts Receivable (Textual) [Abstract]
Trade accounts receivable, impairment charges	1	1	2
Share of Nokia group of companies in consolidated net revenues	10.40%	13.90%	16.10%
Receivables sold without recourse	144
Financial cost of factored amount	$ 3

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Amount of trade receivables sold without recourse.

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No definition available.

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Share of customer in consolidated net revenues.

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Amounts 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.

+ References

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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.

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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.

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Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet.

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Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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