Derivatives and Hedging Activities (Products and Payments) (Details 3) (USD $)	Jun. 30, 2014		Dec. 31, 2013
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	$ 2,018,000,000
Premiums Receivable For Derivatives Option Contracts	381,000,000
Gross notional amount of forwards, futures, total return swaps and commodity swaps	103,000,000		111,000,000
Gross notional amount of foreign currency forward contracts	173,000,000		30,000,000
2014
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	195,000,000	[1]
Premiums Receivable For Derivatives Option Contracts	57,000,000	[1]
2015
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	374,000,000
Premiums Receivable For Derivatives Option Contracts	69,000,000
2016
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	332,000,000
Premiums Receivable For Derivatives Option Contracts	55,000,000
2017
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	262,000,000
Premiums Receivable For Derivatives Option Contracts	54,000,000
2018
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	214,000,000
Premiums Receivable For Derivatives Option Contracts	57,000,000
2019-2027
Summary of Option Premiums Payable and Receivable
Premiums Payable For Derivatives Option Contracts	641,000,000
Premiums Receivable For Derivatives Option Contracts	89,000,000
Freestanding non-VA derivatives [Member]
Summary of Option Premiums Payable and Receivable
Notional Amount of Index Options and Futures Contracts	1,700,000,000		1,500,000,000
Deferred Compensation Plan [Member]
Summary of Option Premiums Payable and Receivable
Gross notional amount of futures contracts	232,000,000		224,000,000
Macro hedge program [Member]
Summary of Option Premiums Payable and Receivable
Derivative, Notional Amount	2,900,000,000		2,800,000,000
GMWB and GMAB Embedded Derivatives [Member]
Summary of Option Premiums Payable and Receivable
Derivative, Notional Amount	$ 133,000,000,000		$ 142,400,000,000

[1] 2014 amounts represent the amounts payable and receivable for the period from July 1, 2014 to December 31, 2014.