Revenues By Geographic Area (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Total consolidated revenues	$ 4,980,201,000	$ 4,212,271,000	$ 14,433,157,000	$ 12,126,460,000
United States
Total consolidated revenues	2,674,626,000	2,292,790,000	7,552,800,000	6,558,393,000
Europe, Middle East and Africa
Total consolidated revenues	1,355,474,000	1,178,927,000	4,149,828,000	3,504,869,000
Asia Pacific And Japan
Total consolidated revenues	695,443,000	508,504,000	1,944,808,000	1,413,684,000
Latin America, Mexico And Canada
Total consolidated revenues	$ 254,658,000	$ 232,050,000	$ 785,721,000	$ 649,514,000