XML 34 R23.htm IDEA: XBRL DOCUMENT v3.5.0.2
Commitment and Contingenices (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Loss Contingencies      
Contingent Residual Support Agreement, Amount   $ 2,000,000,000  
Estimated litigation liability $ 21,000,000   $ 22,000,000
Attorney General of Commonwealth [Member]      
Loss Contingencies      
Legal Fees $ 19,000,000    
Percentage Of Recovery 50.00%    
Reimbursement expert and consultant cost, maximum $ 150,000