Segment Information (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Summary of assets by segment
Total assets	$ 151,828	$ 137,216
Advice & Wealth Management [Member]
Summary of assets by segment
Total assets	17,607	14,480
Asset Management [Member]
Summary of assets by segment
Total assets	8,226	7,558
Annuities [Member]
Summary of assets by segment
Total assets	98,195	88,771
Protection [Member]
Summary of assets by segment
Total assets	16,980	17,126
Corporate & Other [Member]
Summary of assets by segment
Total assets	$ 10,820	$ 9,281