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DERIVATIVE INSTRUMENTS - Additional Information (Detail) | Mar. 31, 2012 Y currency | Dec. 31, 2011 Cash flow hedges Dedesignated USD ($) | Mar. 31, 2012 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥) | Dec. 31, 2011 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥) | Jul. 31, 2011 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥) | Mar. 31, 2012 2.65% senior notes due February 2017 USD ($) | Mar. 31, 2012 2.65% senior notes due February 2017 JPY (¥) | Mar. 31, 2012 4.00% senior notes due February 2022 USD ($) | Mar. 31, 2012 4.00% senior notes due February 2022 JPY (¥)
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Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Number of currencies related to foreign currency swaps | 2 |  |  |  |  |  |  |  |
Hedging activity, weighted-average period (in years) | 14 |  |  |  |  |  |  |  |
Notes payable, principal amount |  |  | ¥ 5,500,000,000 | ¥ 5,500,000,000 | ¥ 5,500,000,000 | $ 400,000,000 |  | $ 350,000,000 |
Notes payable, effective principal amount |  |  |  |  |  |  | 30,900,000,000 |  | 27,000,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  | 1.35% | 1.34% |  | 2.65% | 2.65% | 4.00% | 4.00%
Notes payable, effective interest rate |  |  |  |  | 1.475% | 1.22% | 1.22% | 2.07% | 2.07%
Foreign currency swaps used in cash flow hedging, notional amount of swaps de-designated |  | $ 500,000,000 |  |  |  |  |  |  |

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