INCOME TAXES - Principal Reasons for Differences and Related Tax Effects where Income Tax Expense Varies from Amount Computed by Applying Expected United States Tax Rate of Thirty Five Percent to Pretax Earnings (Detail) (USD $) In Millions, 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 Tax Disclosure [Abstract]
Income taxes based on U.S. statutory rates									$ 1,506	$ 1,032	$ 1,247
Utilization of foreign tax credit									(53)	(36)	(31)
Nondeductible expenses									8	10	10
Other, net									(25)	7	7
Income tax expense	$ 299	$ 463	$ 258	$ 417	$ 284	$ 356	$ 170	$ 202	$ 1,436	$ 1,013	$ 1,233