BUSINESS SEGMENT AND FOREIGN INFORMATION - Yen/Dollar Exchange Rates Used (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) ¥ / $	Dec. 31, 2014 USD ($) ¥ / $	Dec. 31, 2013 USD ($) ¥ / $
Segment Reporting, Other Significant Reconciling Item [Line Items]
Weighted-average yen/dollar exchange rate | ¥ / $	120.99	105.46	97.54
Yen percent strengthening (weakening)	(12.80%)	(7.50%)	(18.20%)
Exchange effect on pretax operating earnings (in millions)	$ (288)	$ (180)	$ (534)
Yen/dollar exchange rate at December 31 | ¥ / $	120.61	120.55
Yen percent strengthening (weakening)	(0.05%)	(12.60%)
Exchange effect on total assets
Segment Reporting, Other Significant Reconciling Item [Line Items]
Exchange effect	$ (36)	$ (10,706)
Exchange effect on total liabilities
Segment Reporting, Other Significant Reconciling Item [Line Items]
Exchange effect	$ (41)	$ (12,025)