Variable Annuity and Insurance Guarantees Variable Annuity and Insurance Guarantees (Changes in Additional Liabilities) (Details 2) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
GMDB and GGU
Changes in additional liabilities for variable annuity and insurance guarantees
Balance, at the beginning of the period	$ 4		$ 4
Incurred claims	2		3
Paid claims	(2)		(2)
Balance, at the end of the period	4		5
GMIB
Changes in additional liabilities for variable annuity and insurance guarantees
Balance, at the beginning of the period	6		9
Incurred claims	0		0
Paid claims	0
Balance, at the end of the period	6		9
Variable annuity guaranteed minimum accumulation benefits (GMAB)
Changes in additional liabilities for variable annuity and insurance guarantees
Balance, at the beginning of the period	(62)		103
Incurred claims	(14)	[1]	(89)	[1]
Paid claims
Balance, at the end of the period	(76)		14
Variable annuity guaranteed minimum withdrawal benefits (GMWB)
Changes in additional liabilities for variable annuity and insurance guarantees
Balance, at the beginning of the period	(383)		799
Incurred claims	252	[1]	(715)	[1]
Paid claims
Balance, at the end of the period	(131)		84
UL
Changes in additional liabilities for variable annuity and insurance guarantees
Balance, at the beginning of the period	206		155
Incurred claims	31		36
Paid claims	(1)		(7)
Balance, at the end of the period	$ 236		$ 184

[1] The incurred claims for GMWB and GMAB represent the total change in the liabilities (contra liabilities).