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Stock-Based Compensation (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 103	$ 103
Income tax benefits	(32)	(32)
Stock-based compensation expenses, net of tax	71	71
Cost of Sales
Amounts recognized in the financial statements
Stock-based compensation programs expense	12	12
Selling, general and administrative expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	77	78
Research, development and related expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 14	$ 13

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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