Variable Annuity and Insurance Guarantees Variable Annuity and Insurance Guarantees (UL Secondary Guarantees) (Details) (UL Secondary Guarantees [Member], USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
UL Secondary Guarantees [Member]
Variable Annuity Guarantees by Benefit Type
Net Amount at Risk	$ 5,838	$ 5,674
Weighted Average Attained Age	62 years	62 years