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DERIVATIVE INSTRUMENTS - Additional Information (Detail) | 3 Months Ended |  |  |  |  |  |  |  |
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Mar. 31, 2013 USD ($) currency Y counterparties | Mar. 31, 2012 USD ($) | Mar. 31, 2013 Non-derivative hedging instruments USD ($) | Mar. 31, 2012 Non-derivative hedging instruments USD ($) | Mar. 31, 2013 Foreign currency options JPY (¥) | Mar. 31, 2013 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥) | Dec. 31, 2012 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥) | Mar. 31, 2013 2.65% senior notes due February 2017 USD ($) | Mar. 31, 2013 2.65% senior notes due February 2017 JPY (¥) | Dec. 31, 2012 2.65% senior notes due February 2017 | Mar. 31, 2013 4.00% senior notes due February 2022 USD ($) | Mar. 31, 2013 4.00% senior notes due February 2022 JPY (¥) | Dec. 31, 2012 4.00% senior notes due February 2022 | Mar. 31, 2013 5.50% subordinated notes due September 2052 USD ($) | Mar. 31, 2013 5.50% subordinated notes due September 2052 JPY (¥) | Dec. 31, 2012 5.50% subordinated notes due September 2052
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of currencies related to foreign currency swaps | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of counterparties | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of counterparties that comprise majority of aggregate notional amount of swaps | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of notional amount of swaps from certain number of counterparties | 83.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hedging activity, weighted-average period (in years) | 13 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable, principal amount |  |  |  |  |  | ¥ 5,500,000,000 | ¥ 5,500,000,000 |  |  |  |  |  |  |  |  |
Notes payable, effective interest rate |  |  |  |  |  | 1.475% |  | 1.22% | 1.22% |  | 2.07% | 2.07% |  | 4.41% | 4.41% |
Gain (loss) reclassified from accumulated other comprehensive income into earnings related to cash flow hedges | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized foreign currency translation gains (losses) during period | (188,000,000) | (100,000,000) | 69,000,000 | 49,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) reclassified from accumulated other comprehensive income into earnings related to net investment hedges | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, amount of hedged item |  |  |  |  |  |  |  | 400,000,000 |  |  | 350,000,000 |  |  | 500,000,000 |  |
Notes payable, effective principal amount |  |  |  |  |  |  |  |  | 30,900,000,000 |  |  | 27,000,000,000 |  |  | 39,200,000,000 |
Debt instrument, interest rate, stated percentage |  |  |  |  |  | 1.32% | 1.34% | 2.65% | 2.65% | 2.65% | 4.00% | 4.00% | 4.00% | 5.50% | 5.50% | 5.50%
Notional Amount of Foreign Currency Derivatives |  |  |  |  | ¥ 25,000,000,000 |  |  |  |  |  |  |  |  |  |  |

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