Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 2,727
Goodwill associated with the F&G acquisition	1,731
Goodwill, ending balance	4,458
Title | Operating Segments
Goodwill [Roll Forward]
Goodwill, beginning balance	2,462
Goodwill associated with the F&G acquisition	0
Goodwill, ending balance	2,462
F&G | Operating Segments
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Goodwill associated with the F&G acquisition	1,731
Goodwill, ending balance	1,731
Corporate and Other
Goodwill [Roll Forward]
Goodwill, beginning balance	265
Goodwill associated with the F&G acquisition	0
Goodwill, ending balance	$ 265