XML 71 R55.htm IDEA: XBRL DOCUMENT v3.3.1.900
INVESTMENTS - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
investment
issuer
Dec. 31, 2014
USD ($)
investment
Dec. 31, 2013
USD ($)
investment
Schedule of Investments [Line Items]      
Amortized Cost $ 62,963 $ 60,844  
Reclassified investments from the held-to-maturity portfolio to the available-for-sale portfolio, number of investments | investment 0 3 2
Reclassified investments from the held-to-maturity portfolio to the available-for-sale portfolio, amortized cost   $ 424 $ 492
Reclassified investments from the held-to-maturity portfolio to the available-for-sale portfolio, aggregate unrealized gain (loss)   (54) $ (153)
Unrealized Gain (Loss) $ 4,831 7,426  
Percentage that the lending policy requires that the fair value of the securities and/or unrestricted cash received as collateral be of the fair value of the loaned securities 102.00%    
Fair value of debt securities on deposit with regulatory authorities in the United States and Japan $ 15    
Middle market loan receivable 118    
Middle market loan program unfunded amount 53    
Middle market loan program commitment 182    
Available-for-sale Securities 67,794 68,270  
Commercial mortgage loan commitments 10    
Variable Interest Entity, Consolidated      
Schedule of Investments [Line Items]      
Securities available for sale, equity securities, fair value 363 0  
Securities available for sale, fixed maturities, amortized cost 3,739 3,020  
Securities available for sale, fixed maturities, fair value 4,554 4,166  
Available-for-sale securities, fixed maturities, amortized cost 363 0  
Variable Interest Entity, Not Consolidated      
Schedule of Investments [Line Items]      
Securities available for sale, fixed maturities, amortized cost 5,536 6,104  
Securities available for sale, fixed maturities, fair value $ 6,027 6,937  
Number of issuers of VIEs not-consolidated | issuer 169    
Bank loans      
Schedule of Investments [Line Items]      
Securities available for sale, fixed maturities, amortized cost $ 1,400 501  
Securities available for sale, fixed maturities, fair value 1,400 579  
Perpetual securities      
Schedule of Investments [Line Items]      
Amortized Cost 1,841 2,440  
Unrealized Gain (Loss) 106 229  
Available-for-sale Securities 1,947 2,669  
Perpetual securities matured or called      
Schedule of Investments [Line Items]      
Amortized Cost   599  
Available-for-sale Securities   $ 630  
Parent Company and Other Business Segments      
Schedule of Investments [Line Items]      
Securities available for sale, fixed maturities, amortized cost 512    
Securities available for sale, fixed maturities, fair value 523    
Yen-denominated | Publicly traded equity securities      
Schedule of Investments [Line Items]      
Securities available for sale, equity securities, fair value $ 485