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Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements of Income [Abstract]
Revenue	$ 3,740	$ 3,011	$ 10,399	$ 8,984
Cost of revenue	2,576	2,066	7,177	6,149
Gross profit	1,164	945	3,222	2,835
Selling, general and administrative	392	349	1,133	1,012
Operating profit	772	596	2,089	1,823
Interest and financial costs	(8)	(12)	(31)	(38)
Interest income	5	4	13	9
Equity income in unconsolidated affiliate	11	8	34	22
Other income (expense), net		(23)	(26)	(42)
Income before income taxes	780	573	2,079	1,774
Provision for income taxes	252	169	667	552
Net income	528	404	1,412	1,222
Net loss attributable to noncontrolling interests	(4)		(8)	(5)
Net income attributable to Company	$ 532	$ 404	$ 1,420	$ 1,227
Net income attributable to Company per share:
Basic	$ 1.26	$ 0.97	$ 3.37	$ 2.94
Diluted	$ 1.25	$ 0.96	$ 3.35	$ 2.93
Cash dividends per share	$ 0.11	$ 0.10	$ 0.33	$ 0.30
Weighted average shares outstanding:
Basic	422	417	421	417
Diluted	425	419	424	419

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