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Goodwill (Details) (Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2009	Dec. 31, 2010	Mar. 31, 2011 ST-Ericsson [Member]	Dec. 31, 2011 Wireless Sector [Member]
Goodwill (Textual) [Abstract]
Goodwill recognized, gross	$ 1,126				$ 1,121
Accumulated impairment	67				67
Impairment on goodwill				$ 6
Percentage of fair value exceeding its carrying value of goodwill and indefinite long lived assets							54.00%
Term for updated plan							5

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Percentage by which fair value of the business exceeded its carrying value.

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Term for updated plan.

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Gross amount, as of the balance sheet date, of the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable), in excess of the fair value of net assets acquired in one or more business combination transactions.

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The accumulated impairment losses related to goodwill as of the balance sheet date.

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Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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