Insurance (Fund Groupings) (Details) (Variable Annuity and Variable Life [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Fund Groupings
Fund Groupings	$ 166,753	$ 146,178
Balanced Funds [Member]
Fund Groupings
Fund Groupings	75,928	67,230
Equity Funds [Member]
Fund Groupings
Fund Groupings	79,036	66,469
Bond Funds [Member]
Fund Groupings
Fund Groupings	10,632	11,188
Money Market Funds [Member]
Fund Groupings
Fund Groupings	$ 1,157	$ 1,291