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LONG-TERM INCENTIVE EMPLOYEE COMPENSATION - Summary of Long-Term Incentive Plan Awards (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant Date Fair Value	$ 6.62
NQOs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Awards Granted	0.4
Grant Date Fair Value	$ 6.62
RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Awards Granted	0.3
Grant Date Fair Value	$ 26.76
TSR [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Awards Granted	0.1
Grant Date Fair Value	$ 33.45
ROIC [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Awards Granted	0.1
Grant Date Fair Value	$ 25.56

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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