NOTES PAYABLE - Additional Information (Detail)	12 Months Ended				12 Months Ended		1 Months Ended			1 Months Ended			1 Months Ended								1 Months Ended										1 Months Ended							1 Months Ended			1 Months Ended			1 Months Ended			1 Months Ended			1 Months Ended	12 Months Ended			1 Months Ended			12 Months Ended				1 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2013 JPY (¥)	Feb. 29, 2012 series	Jul. 31, 2011 series	Dec. 31, 2013 3.625% senior notes due June 2023 USD ($)	Dec. 31, 2013 3.625% senior notes due June 2023 JPY (¥)	Jul. 31, 2011 1.47% yen-denominated Samurai notes due July 2014 JPY (¥)	Dec. 31, 2013 1.47% yen-denominated Samurai notes due July 2014 JPY (¥)	Dec. 31, 2012 1.47% yen-denominated Samurai notes due July 2014 JPY (¥)	Jul. 31, 2011 1.84% yen-denominated Samurai notes due July 2016 JPY (¥)	Dec. 31, 2013 1.84% yen-denominated Samurai notes due July 2016 JPY (¥)	Dec. 31, 2012 1.84% yen-denominated Samurai notes due July 2016 JPY (¥)	Jul. 31, 2011 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥)	Dec. 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 (¥)	Dec. 31, 2013 3.60% yen-denominated loan due July 2015 JPY (¥)	Dec. 31, 2012 3.60% yen-denominated loan due July 2015 JPY (¥)	Dec. 31, 2013 3.00% yen-denominated loan due August 2015 JPY (¥)	Dec. 31, 2012 3.00% yen-denominated loan due August 2015 JPY (¥)	Feb. 29, 2012 Senior Notes USD ($)	Jul. 31, 2012 2.65% senior notes due February 2017 USD ($)	Feb. 29, 2012 2.65% senior notes due February 2017 USD ($)	Feb. 29, 2012 2.65% senior notes due February 2017 JPY (¥)	Dec. 31, 2013 2.65% senior notes due February 2017 USD ($)	Dec. 31, 2012 2.65% senior notes due February 2017	Jul. 31, 2011 Yen Denominated Samurai Notes JPY (¥)	Dec. 31, 2013 4.00% senior notes due February 2022 USD ($)	Dec. 31, 2012 4.00% senior notes due February 2022	Feb. 29, 2012 4.00% senior notes due February 2022 USD ($)	Feb. 29, 2012 4.00% senior notes due February 2022 JPY (¥)	Feb. 29, 2012 Four Percent Senior Notes Due February Twenty Twenty Two [Member]	Oct. 31, 2012 5.50% subordinated notes due September 2052 USD ($)	Oct. 31, 2012 5.50% subordinated notes due September 2052 JPY (¥)	Sep. 30, 2012 5.50% subordinated notes due September 2052 USD ($)	Dec. 31, 2013 5.50% subordinated notes due September 2052 USD ($)	Dec. 31, 2013 5.50% subordinated notes due September 2052 JPY (¥)	Dec. 31, 2012 5.50% subordinated notes due September 2052	Aug. 31, 2010 6.45% senior notes due August 2040 USD ($)	Dec. 31, 2013 6.45% senior notes due August 2040	Dec. 31, 2012 6.45% senior notes due August 2040	Aug. 31, 2010 3.45% senior notes due August 2015 USD ($)	Dec. 31, 2013 3.45% senior notes due August 2015	Dec. 31, 2012 3.45% senior notes due August 2015	Dec. 31, 2009 6.90% senior notes due December 2039 USD ($)	Dec. 31, 2013 6.90% senior notes due December 2039	Dec. 31, 2012 6.90% senior notes due December 2039	May 31, 2009 8.50% senior notes due May 2019 USD ($)	Dec. 31, 2013 8.50% senior notes due May 2019	Dec. 31, 2012 8.50% senior notes due May 2019	Sep. 30, 2006 2.26% yen-denominated Uridashi notes due September 2016 JPY (¥)	Dec. 31, 2009 2.26% yen-denominated Uridashi notes due September 2016 JPY (¥)	Dec. 31, 2013 2.26% yen-denominated Uridashi notes due September 2016 JPY (¥)	Dec. 31, 2012 2.26% yen-denominated Uridashi notes due September 2016 JPY (¥)	Jun. 30, 2012 1.87% yen-denominated Samurai notes paid June 2012 USD ($)	Jun. 30, 2012 1.87% yen-denominated Samurai notes paid June 2012 JPY (¥)	Jun. 30, 2007 1.87% yen-denominated Samurai notes paid June 2012 JPY (¥)	Dec. 31, 2009 1.87% yen-denominated Samurai notes paid June 2012 JPY (¥)	Dec. 31, 2012 1.87% yen-denominated Samurai notes paid June 2012 JPY (¥)	Dec. 31, 2013 Notes Payable USD ($)	Dec. 31, 2012 Notes Payable USD ($)	Mar. 31, 2013 Line of Credit	Dec. 31, 2013 Line of Credit USD ($)	Dec. 31, 2012 Line of Credit USD ($)
Debt Instrument [Line Items]
Debt Instrument, Term																																																													5 years
Notes payable, principal amount					$ 700,000,000		¥ 28,700,000,000.0	¥ 28,700,000,000	¥ 28,700,000,000	¥ 15,800,000,000.0	¥ 15,800,000,000	¥ 15,800,000,000	¥ 5,500,000,000.0	¥ 5,500,000,000	¥ 5,500,000,000	¥ 10,000,000,000	¥ 10,000,000,000	¥ 5,000,000,000	¥ 5,000,000,000	$ 750,000,000	$ 250,000,000	$ 400,000,000		$ 400,000,000		¥ 50,000,000,000	$ 350,000,000		$ 350,000,000			$ 50,000,000		$ 450,000,000	$ 500,000,000			$ 450,000,000			$ 300,000,000			$ 400,000,000			$ 850,000,000			¥ 10,000,000,000		¥ 8,000,000,000	¥ 8,000,000,000			¥ 30,000,000,000
Notes payable, interest rate					3.625%	3.625%	1.47%	1.47%	1.47%	1.84%	1.84%	1.84%	1.475%	1.30%	1.34%	3.60%	3.60%	3.00%	3.00%		2.65%	2.65%	2.65%	2.65%	2.65%		4.00%	4.00%	4.00%	4.00%		5.50%	5.50%	5.50%	5.50%	5.50%	5.50%		6.45%	6.45%		3.45%	3.45%		6.90%	6.90%		8.50%	8.50%			2.26%	2.26%
Debt instrument maturity period					10 years	10 years	3 years			5 years			3 years								5 years	5 years	5 years								10 years			40 years				30 years			5 years			30 years			10 years			10 years						5 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 semiannual 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 semiannual 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.
Minimum prinicipal amount outstanding following partial redemption																																			25,000,000
Debt instrument effective principal amount after cross currency swap						69,800,000,000																	30,900,000,000							27,000,000,000			3,900,000,000			35,300,000,000
Derivative instrument maturity period																																5 years	5 years	5 years
Number of series of senior notes issued through a U.S. public debt offering (in series)			2	3
Notes payable, effective interest rate					1.50%	1.50%								1.475%								1.22%	1.22%						2.07%	2.07%		4.42%	4.42%		4.41%	4.41%
Extinguishment of notes																																																			2,000,000,000						3,400,000,000
Samurai notes redeemed upon maturity																																																						337,000,000	26,600,000,000
Principal payments under debt obligations																																																			1,400,000,000						2,500,000,000
Gain on extinguishment of debt																																																			600,000,000						900,000,000
Line of credit facility, maximum borrowing capacity		50,000,000,000
Line of credit facility, interest rate description	Borrowings will bear interest at LIBOR plus the applicable margin of 1.125%	Borrowings will bear interest at LIBOR plus the applicable margin of 1.125%
Line of credit facility, commitment fee percentage	0.125%	0.125%
Line of credit facility, amount outstanding	0
Notes payable, debt default, amount																																																											$ 0	$ 0		$ 0	$ 0