Segment Information (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Summary of assets by segment
Total assets	$ 148,806	$ 148,810
Advice & Wealth Management [Member]
Summary of assets by segment
Total assets	10,630	10,220
Asset Management [Member]
Summary of assets by segment
Total assets	7,935	7,509
Annuities [Member]
Summary of assets by segment
Total assets	97,406	98,535
Protection [Member]
Summary of assets by segment
Total assets	20,955	20,779
Corporate & Other [Member]
Summary of assets by segment
Total assets	$ 11,880	$ 11,767