Derivatives and Hedging Activities (Impact of Non-Hedging Derivatives) (Details 2) (Derivatives not designated as hedging instruments, USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	$ (98)		$ (100)		$ (128)		$ (150)
Guaranteed Minimum Withdrawal Benefit and Accumulation Benefit [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(88)		(103)		(129)		(155)
Other Derivatives [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(10)		3		1		5
Interest rate derivatives | Guaranteed Minimum Withdrawal Benefit and Accumulation Benefit [Member] | Benefits, Claims, Losses and Settlement Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	245		(380)		509		(512)
Interest rate derivatives | Interest Rate Tax Hedge [Member] | Net investment income
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	0		0		3		0
Interest rate derivatives | Seed Money [Member] | Net investment income
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income			2		(1)		2
Equity derivatives | Guaranteed Minimum Withdrawal Benefit and Accumulation Benefit [Member] | Benefits, Claims, Losses and Settlement Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(197)		12		(387)		(480)
Equity derivatives | EIA embedded derivatives | Interest Credited to Fixed Accounts [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(1)		0		(1)		(1)
Equity derivatives | IUL | Interest Credited to Fixed Accounts [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	6		2		11		6
Equity derivatives | IUL embedded derivatives | Interest Credited to Fixed Accounts [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	5		2		11		5
Equity derivatives | Equity Indexed Annuities [Member] | Interest Credited to Fixed Accounts [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	1		0		1		1
Equity derivatives | Stock Market Certificates [Member] | Banking and Deposit, Interest Expense [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	1		1		2		4
Equity derivatives | Stock Market Certificates Embedded Derivatives [Member] | Banking and Deposit, Interest Expense [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(1)		(1)		(2)		(4)
Equity derivatives | Seed Money [Member] | Net investment income
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(2)		(2)		(3)		(8)
Equity derivatives | Deferred Compensation Plan [Member] | Distribution Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	4		1		5		2
Equity derivatives | Deferred Compensation Plan [Member] | General and Administrative Expense [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	2		0		2		0
Credit derivative contract | Guaranteed Minimum Withdrawal Benefit and Accumulation Benefit [Member] | Benefits, Claims, Losses and Settlement Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(12)		8		(22)		8
Foreign exchange contract | Guaranteed Minimum Withdrawal Benefit and Accumulation Benefit [Member] | Benefits, Claims, Losses and Settlement Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income			2		(1)		7
Foreign exchange contract | Deferred Compensation Plan [Member] | Distribution Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	1		0		1		0
Foreign exchange contract | Foreign Currency [Member] | Net investment income
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(2)		(3)		(2)		(3)
GMWB and GMAB Embedded Derivatives [Member] | Guaranteed Minimum Withdrawal Benefit and Accumulation Benefit [Member] | Benefits, Claims, Losses and Settlement Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	(124)	[1]	255	[1]	(228)	[1]	822	[1]
Commodity | Seed Money [Member] | Net investment income
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	0		1		(1)		1
Other Contract [Member] | Macro hedge program [Member] | Benefits, Claims, Losses and Settlement Expenses [Member]
Derivative Instruments Gain (Loss)
Gain (Loss) on Derivatives Recognized in Income	$ (24)		$ 0		$ (25)		$ 0

[1] The fair values of GMWB and GMAB embedded derivatives fluctuate based on changes in equity, interest rate and credit markets.