XML 21 R50.htm IDEA: XBRL DOCUMENT v3.2.0.727
Commitments and Contingencies Level 4 (Details)
$ in Millions
Jun. 30, 2015
USD ($)
Guarantor Obligations [Line Items]  
Derivative, Net Liability Position, Aggregate Fair Value $ 813
Collateral Already Posted, Aggregate Fair Value 1,100
GMWB Product Derivatives [Member]  
Guarantor Obligations [Line Items]  
Collateral Already Posted, Aggregate Fair Value $ 38