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, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Income from continuing operations before income taxes
United States									$ 229,981	$ 440,753		$ 188,588
Foreign									1,393,001	1,051,891		1,137,064
Income from continuing operations before income taxes	262,700	406,700	488,000	465,600	86,500	526,700	486,200	393,200	1,622,982	1,492,644	[1]	1,325,652	[1]
Income tax expense
Federal - Current									(181,003)	99,451		110,142
Federal - Deferred									156,856	43,602		(40,981)
Federal Income Tax Expense (Benefit), Continuing Operations, Total									(24,147)	143,053		69,161
State									24,754	30,372		15,486
Foreign - Current									503,674	465,150		303,808
Foreign - Deferred									154,655	124,598		188,117
Foreign Income Tax Expense (Benefit), Continuing Operations, Total									658,329	589,748		491,925
Total									$ 658,936	$ 763,173	[1]	$ 576,572	[1]

[1] Reclassified to conform to current presentation.