Derivatives and Hedging Activities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	$ 3,418		$ 3,623
Derivative liability, fair value	4,370		4,198
Derivatives designated as hedging instruments
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	82		167
Derivatives designated as hedging instruments | Fair value hedges | Fixed rate debt
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	82		167
Derivatives not designated as hedging instruments
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	3,336		3,456
Derivative liability, fair value	4,370		4,198
Derivatives not designated as hedging instruments | GMWB and GMAB
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	3,230		3,412
Derivative liability, fair value	4,125		4,111
Derivatives not designated as hedging instruments | Other derivatives
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	106		44
Derivative liability, fair value	245		87
Derivatives not designated as hedging instruments | Interest rate derivatives | GMWB and GMAB
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	1,484		2,191
Derivative liability, fair value	1,672		1,486
Derivatives not designated as hedging instruments | Interest rate derivatives | Macro hedge program
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	4
Derivative liability, fair value	21
Derivatives not designated as hedging instruments | Equity derivatives | GMWB and GMAB
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	1,741		1,215
Derivative liability, fair value	3,028		1,792
Derivatives not designated as hedging instruments | Equity derivatives | Macro hedge program
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative liability, fair value	8
Derivatives not designated as hedging instruments | Equity derivatives | EIA embedded derivatives
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative liability, fair value	5		2
Derivatives not designated as hedging instruments | Equity derivatives | IUL
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	27		6
Derivative liability, fair value	13		1
Derivatives not designated as hedging instruments | Equity derivatives | IUL embedded derivatives
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative liability, fair value	125		45
Derivatives not designated as hedging instruments | Equity derivatives | Stock market certificates
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	73		37
Derivative liability, fair value	66		30
Derivatives not designated as hedging instruments | Equity derivatives | Stock market certificates embedded derivatives
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative liability, fair value	7		8
Derivatives not designated as hedging instruments | Credit derivative contract | GMWB and GMAB
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	3
Derivatives not designated as hedging instruments | Foreign exchange contract | GMWB and GMAB
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	2		6
Derivatives not designated as hedging instruments | Foreign exchange contract | Foreign currency
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	2		0
Derivative liability, fair value			1
Derivatives not designated as hedging instruments | Commodity | Seed money
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative asset, fair value	0		1
Derivatives not designated as hedging instruments | GMWB and GMAB embedded derivatives | GMWB and GMAB
Balance sheet location and the gross fair value of derivative instruments, including embedded derivatives, by type of derivative and product
Derivative liability, fair value	$ (575)	[1]	$ 833

[1] The fair value of the GMWB and GMAB embedded derivatives was a net asset at December 31, 2013 and the amount is reported as a contra liability.