Derivatives and Hedging Activities Derivatives and Hedging Activities (Notional and Related Party Information) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Jun. 30, 2014 Derivatives not designated as hedging instruments GMWB and GMAB Embedded Derivatives [Member]	Dec. 31, 2013 Derivatives not designated as hedging instruments GMWB and GMAB Embedded Derivatives [Member]	Jun. 30, 2014 Macro hedge program [Member]	Dec. 31, 2013 Macro hedge program [Member]	Jun. 30, 2014 Freestanding non-VA derivatives [Member] Derivatives not designated as hedging instruments	Dec. 31, 2013 Freestanding non-VA derivatives [Member] Derivatives not designated as hedging instruments
Impact of derivatives not designated as hedging instruments on the Consolidated Statements of Income
Derivative, Notional Amount		$ 133,000	$ 142,400	$ 829	$ 710
Related Party Transaction, Amounts of Transaction	94
Notional Amounts of Index Options and Futures Contracts						$ 702	$ 512