FAIR VALUE OF FINANCIAL INSTRUMENTS (Debt Narrative) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Two Thousand Thirteen Senior Notes [Member]
Debt Instrument [Line Items]
DebtInstrumentIssuanceDate1	Feb. 26, 2013
Debt Instrument, Face Amount	$ 400
Senior Notes Three Seventy [Member]
Debt Instrument [Line Items]
DebtInstrumentIssuanceDate1	Feb. 26, 2013
Debt Instrument, Face Amount	225
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Debt Instrument, Maturity Date	Feb. 26, 2023
Senior Notes Three Eighty Five [Member]
Debt Instrument [Line Items]
DebtInstrumentIssuanceDate1	Feb. 26, 2013
Debt Instrument, Face Amount	100
Debt Instrument, Maturity Date	Feb. 26, 2025
Senior Notes Four Zero Five [Member]
Debt Instrument [Line Items]
DebtInstrumentIssuanceDate1	Feb. 26, 2013
Debt Instrument, Face Amount	75
Debt Instrument, Maturity Date	Feb. 26, 2028
Senior Notes Four Eleven [Member]
Debt Instrument [Line Items]
DebtInstrumentIssuanceDate1	Sep. 26, 2013
Debt Instrument, Face Amount	$ 100
Debt Instrument, Interest Rate, Stated Percentage	4.11%
Debt Instrument, Maturity Date	Sep. 26, 2028