XML 26 R73.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments in Securities Maturity Information (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost $ 57,917 [1] $ 61,766 [1]
Available-for-sale, at fair value 60,329 63,181
One Year or Less, Amortized Cost 67  
One Year or Less, Fair Value 69  
After One Year through Five Years, Amortized Cost 12,316  
After One Year through Five Years, Fair Value 13,234  
After Five Years through Ten Years, Amortized Cost 2,111  
After Five Years through Ten Years, Fair Value 2,207  
After Ten Years, Amortized Cost 43,423  
After Ten Years, Fair Value 44,819  
Fannie Mae [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 8,015 [1] 9,580 [1]
Available-for-sale, at fair value 8,747 10,435
One Year or Less, Amortized Cost 0  
One Year or Less, Fair Value 0  
After One Year through Five Years, Amortized Cost 248  
After One Year through Five Years, Fair Value 263  
After Five Years through Ten Years, Amortized Cost 505  
After Five Years through Ten Years, Fair Value 536  
After Ten Years, Amortized Cost 7,262  
After Ten Years, Fair Value 7,948  
Freddie Mac [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 7,970 [1] 8,652 [1]
Available-for-sale, at fair value 8,632 9,380
One Year or Less, Amortized Cost 0  
One Year or Less, Fair Value 0  
After One Year through Five Years, Amortized Cost 90  
After One Year through Five Years, Fair Value 95  
After Five Years through Ten Years, Amortized Cost 771  
After Five Years through Ten Years, Fair Value 824  
After Ten Years, Amortized Cost 7,109  
After Ten Years, Fair Value 7,713  
Ginnie Mae [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 609 [1] 645 [1]
Available-for-sale, at fair value 709 751
One Year or Less, Amortized Cost 0  
One Year or Less, Fair Value 0  
After One Year through Five Years, Amortized Cost 1  
After One Year through Five Years, Fair Value 2  
After Five Years through Ten Years, Amortized Cost 9  
After Five Years through Ten Years, Fair Value 10  
After Ten Years, Amortized Cost 599  
After Ten Years, Fair Value 697  
Alt-A private-label securities [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 10,968 [1] 11,356 [1]
Available-for-sale, at fair value 11,126 11,075
One Year or Less, Amortized Cost 0  
One Year or Less, Fair Value 0  
After One Year through Five Years, Amortized Cost 14  
After One Year through Five Years, Fair Value 14  
After Five Years through Ten Years, Amortized Cost 152  
After Five Years through Ten Years, Fair Value 155  
After Ten Years, Amortized Cost 10,802  
After Ten Years, Fair Value 10,957  
Subprime private-label securities [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 7,882 [1] 8,137 [1]
Available-for-sale, at fair value 7,868 7,447
One Year or Less, Amortized Cost 0  
One Year or Less, Fair Value 0  
After One Year through Five Years, Amortized Cost 0  
After One Year through Five Years, Fair Value 0  
After Five Years through Ten Years, Amortized Cost 0  
After Five Years through Ten Years, Fair Value 0  
After Ten Years, Amortized Cost 7,882  
After Ten Years, Fair Value 7,868  
CMBS [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 11,910 [1],[2] 12,284 [1],[2]
Available-for-sale, at fair value 12,787 13,097
One Year or Less, Amortized Cost 26  
One Year or Less, Fair Value 27  
After One Year through Five Years, Amortized Cost 11,687  
After One Year through Five Years, Fair Value 12,569  
After Five Years through Ten Years, Amortized Cost 0  
After Five Years through Ten Years, Fair Value 0  
After Ten Years, Amortized Cost 197  
After Ten Years, Fair Value 191  
Mortgage revenue bonds [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 7,325 [1] 7,782 [1]
Available-for-sale, at fair value 7,355 7,842
One Year or Less, Amortized Cost 41  
One Year or Less, Fair Value 42  
After One Year through Five Years, Amortized Cost 276  
After One Year through Five Years, Fair Value 285  
After Five Years through Ten Years, Amortized Cost 631  
After Five Years through Ten Years, Fair Value 640  
After Ten Years, Amortized Cost 6,377  
After Ten Years, Fair Value 6,388  
Other mortgage-related securities [Member]
   
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Amortized cost 3,238 [1] 3,330 [1]
Available-for-sale, at fair value 3,105 3,154
One Year or Less, Amortized Cost 0  
One Year or Less, Fair Value 0  
After One Year through Five Years, Amortized Cost 0  
After One Year through Five Years, Fair Value 6  
After Five Years through Ten Years, Amortized Cost 43  
After Five Years through Ten Years, Fair Value 42  
After Ten Years, Amortized Cost 3,195  
After Ten Years, Fair Value $ 3,057  
[1] Amortized cost consists of unpaid principal balance, unamortized premiums, discounts and other cost basis adjustments as well as the credit component of other-than-temporary impairments (“OTTI”) recognized in our condensed consolidated statements of operations and comprehensive income.
[2] Amortized cost includes $475 million and $527 million as of March 31, 2013 and December 31, 2012, respectively, of increases to the carrying amount from previous fair value hedge accounting.