XML 78 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies Related Parties (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Related Parties [Line Items]                  
Net worth   $ 7,459.0 $ 3,900.0   $ 7,459.0   $ (3,686.0)    
Payments of cash dividends on senior preferred stock to Treasury   938.0 0.0   938.0 $ 8,250.0      
Income Taxes Paid   $ 460.0   $ 1,100.0 $ 460.0 $ 1,070.0      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent         21.00%   35.00%    
Effective Income Tax Rate Reconciliation, Percent   20.30%   33.20% 20.60% 33.20%      
Weighted Average Number of Shares, Contingently Issuable         4,600 4,600      
Unpaid principal balance guaranteed by a related party   $ 4,700.0     $ 4,700.0        
Temporary Payroll Tax Cut Continuation Act of 2011 (“TCCA”) fees   $ 565.0   $ 518.0 $ 1,122.0 $ 1,021.0      
Basis Points of Each Dollar of Unpaid Principal Balance   0.042%     0.042%        
Trading, at fair value (includes $3,363 and $747, respectively, pledged as collateral)   $ 42,381.0     $ 42,381.0   $ 34,679.0    
Interest Receivable   8,256.0     8,256.0   8,133.0    
Interest income recognized on Treasury securities   $ 318.0   176.0 $ 554.0 $ 318.0      
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock   0     131 131      
Scenario, Forecast [Member]                  
Related Parties [Line Items]                  
Expected undeclared dividends payable on senior preferred stock for the next quarter $ 4,500.0                
US Treasury [Member]                  
Related Parties [Line Items]                  
Aggregate Funding Received From US Treasury Pursuant To the Senior Preferred Stock Purchase Agreement During Period     3,700.0            
Aggregate funding received from US Treasury pursuant to the senior preferred stock purchase agreement   $ 119,800.0     $ 119,800.0        
Total available funding from US Treasury pursuant to the senior preferred stock agreement   113,900.0     113,900.0        
Capital Reserve Amount, current year, Senior Preferred Stock Purchase Agreement, Amendment   3,000.0     3,000.0        
Aggregate liquidation preference of senior preferred stock   $ 123,800.0     $ 123,800.0        
Percentage of common shares attributable to warrants issued to US Treasury as percentage to total diluted common shares   79.90%     79.90%        
Home Affordable Modification Program administrative expense reimbursements from Treasury and Freddie Mac   $ 6.0   11.0 $ 13.0 $ 23.0      
Percentage of initial principal loss US Treasury will bear for New Issue Bond Program   35.00%     35.00%        
Temporary Payroll Tax Cut Continuation Act of 2011 (“TCCA”) fees   $ 565.0   518.0 $ 1,122.0 1,021.0      
US Treasury [Member] | Single-family [Member]                  
Related Parties [Line Items]                  
Recognized TCCA fees that had not been remitted to Treasury as of period end   565.0     565.0        
Freddie Mac [Member] | Freddie Mac [Member]                  
Related Parties [Line Items]                  
Interest Receivable   2.0     2.0   2.0    
Fair value of mortgage-related securities   543.0     543.0   613.0    
Interest income recognized on mortgage-related securities   6.0   10.0 13.0 23.0      
Federal Housing Finance Agency [Member]                  
Related Parties [Line Items]                  
FHFA assessment fees   26.0   26.0 55.0 56.0      
Common Securitization Solutions [Member]                  
Related Parties [Line Items]                  
Payments to Acquire or Advance to Equity Method Investments   35.0   18.0 76.0 53.0      
U.S. Treasury securities [Member]                  
Related Parties [Line Items]                  
Trading, at fair value (includes $3,363 and $747, respectively, pledged as collateral)   35,663.0     35,663.0   29,222.0    
U.S. Treasury securities [Member] | US Treasury [Member]                  
Related Parties [Line Items]                  
Trading, at fair value (includes $3,363 and $747, respectively, pledged as collateral)   35,700.0     35,700.0   29,200.0    
Interest Receivable   116.0     116.0   77.0    
Interest income recognized on Treasury securities   164.0   86.0 293.0 149.0      
Other Expense [Member] | US Treasury [Member]                  
Related Parties [Line Items]                  
Affordable Housing Program Assessments   19.0   15.0 37.0 30.0      
Recognized affordable housing program expenses that had not been remitted to Treasury as of period end   37.0     37.0        
Accumulated other comprehensive income [Member]                  
Related Parties [Line Items]                  
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect   0.0   0.0 117.0 0.0      
Net worth   $ 349.0 $ 347.0 $ 682.0 $ 349.0 $ 682.0 $ 553.0 $ 765.0 $ 759.0