Components of Income from Continuing Operations Before Income Taxes and Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009
Income from continuing operations before income taxes
United States									$ 440,753	$ 188,588		$ 261,005
Foreign									1,110,230	1,200,122		974,408
Income from continuing operations before income taxes	100,000	534,400	505,200	411,400	286,200	352,700	433,600	316,200	1,550,983	1,388,710	[1]	1,235,413	[1]
Income tax expense
Federal - Current									99,451	110,142		100,276
Federal - Deferred									43,602	(40,981)		2,078
Federal Income Tax Expense (Benefit), Continuing Operations, Total									143,053	69,161		102,354
State									30,372	15,486		7,087
Foreign - Current									497,446	347,746		318,619
Foreign - Deferred									139,180	176,758		93,499
Foreign Income Tax Expense (Benefit), Continuing Operations, Total									636,626	524,504		412,118
Total									$ 810,051	$ 609,151	[1]	$ 521,559	[1]

[1] Reclassified to conform to current presentation.