Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Changes in the carrying amount of goodwill, by segment:
Goodwill, balance at the beginning of the period	$ 1,158	$ 1,175
Foreign currency translation	10	(16)
Purchase price adjustment	(1)	(1)
Goodwill, balance at the end of the period	1,167	1,158
Advice & Wealth Management [Member]
Changes in the carrying amount of goodwill, by segment:
Goodwill, balance at the beginning of the period	279	279
Goodwill, balance at the end of the period	279	279
Asset Management [Member]
Changes in the carrying amount of goodwill, by segment:
Goodwill, balance at the beginning of the period	788	805
Foreign currency translation	10	(16)
Purchase price adjustment	(1)	(1)
Goodwill, balance at the end of the period	797	788
Annuities [Member]
Changes in the carrying amount of goodwill, by segment:
Goodwill, balance at the beginning of the period	46	46
Goodwill, balance at the end of the period	46	46
Protection [Member]
Changes in the carrying amount of goodwill, by segment:
Goodwill, balance at the beginning of the period	45	45
Goodwill, balance at the end of the period	$ 45	$ 45