NOTES PAYABLE - Additional Information (Detail)	1 Months Ended				6 Months Ended			1 Months Ended
	Mar. 31, 2013	Jun. 30, 2013 USD ($)	Jun. 30, 2013 JPY (¥)	Mar. 29, 2013 JPY (¥)	Jun. 30, 2013 3.625% senior notes due June 2023 USD ($)	Jun. 30, 2013 3.625% senior notes due June 2023 JPY (¥)	Jun. 30, 2013 Notes Payable USD ($)	Mar. 31, 2013 Line of Credit	Jun. 30, 2013 Line of Credit USD ($)
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 700,000,000
Debt instrument, interest rate, stated percentage					3.625%	3.625%
Debt Instrument Maturity Period					10 years	10 years
Debt Instrument, Redemption, Description					These notes are redeemable at our option in whole at any time or in part from time to time at a redemption price equal to the greater of: (i) the aggregate principal amount of the notes to be redeemed or (ii) the amount equal to the sum of the present values of the remaining scheduled payments for principal of and interest on the notes to be redeemed, not including any portion of the payments of interest accrued as of such redemption date, discounted to such redemption date on a semi-annual basis at the treasury rate plus 20 basis points, plus in each case, accrued and unpaid interest on the principal amount of the notes to be redeemed to, but excluding, such redemption date.	These notes are redeemable at our option in whole at any time or in part from time to time at a redemption price equal to the greater of: (i) the aggregate principal amount of the notes to be redeemed or (ii) the amount equal to the sum of the present values of the remaining scheduled payments for principal of and interest on the notes to be redeemed, not including any portion of the payments of interest accrued as of such redemption date, discounted to such redemption date on a semi-annual basis at the treasury rate plus 20 basis points, plus in each case, accrued and unpaid interest on the principal amount of the notes to be redeemed to, but excluding, such redemption date.
Debt Instrument Effective Principal Amount After Cross Currency Swap						69,800,000,000
Notes payable, effective interest rate					1.50%	1.50%
Line of credit facility term								5 years
Line of credit facility, maximum borrowing capacity			50,000,000,000	50,000,000,000
Line of credit facility, interest rate description	Borrowings will bear interest at LIBOR plus the applicable margin of 1.125%
Line of credit facility, commitment fee percentage	0.125%
Line of credit facility, amount outstanding		0
Notes payable, debt default, amount							$ 0		$ 0