COMMITMENTS AND CONTINGENT LIABILITIES - Additional Information (Detail) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 agreements	Dec. 31, 2013 IBM Mainframe Computer Operations and Support Agreement USD ($)	Dec. 31, 2013 IBM Mainframe Computer Operations and Support Agreement JPY (¥)	Dec. 31, 2013 IBM Distributed Computer Mid Range Server Operations and Support Agreement USD ($)	Dec. 31, 2013 IBM Distributed Computer Mid Range Server Operations and Support Agreement JPY (¥)	Dec. 31, 2013 IBM Application Maintenance and Development Services Agreement USD ($)	Dec. 31, 2013 IBM Application Maintenance and Development Services Agreement JPY (¥)	Dec. 31, 2013 Accenture Application Maintenance and Development Services Agreement USD ($)	Dec. 31, 2013 Accenture Application Maintenance and Development Services Agreement JPY (¥)	Dec. 31, 2013 NTTDATA Application Maintenance and Development Services USD ($)	Dec. 31, 2013 NTTDATA Application Maintenance and Development Services JPY (¥)
Commitments and Contingencies Disclosure [Line Items]
Number of operating service agreements	3
Outsourcing agreements, remaining term		P2Y	P2Y	P2Y	P2Y	P4Y	P4Y	P4Y	P4Y	P3Y	P3Y
Outsourcing agreements, aggregate remaining cost		$ 84	¥ 8,800	$ 71	¥ 7,400	$ 62	¥ 6,500	$ 51	¥ 5,400	$ 37	¥ 3,900
Operating Leases, lease terms	expire in various years through 2019