Other (income) expense (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity in net income of partially-owned entities	[1]	$ 1,019	$ 617	$ 514
Gains (losses) from fair value changes in separate account assets	[2]	58	44	(38)
Federal excise and capital taxes		(22)	(23)	(12)
Other		(61)	(42)	(30)
Total		994	596	434
Huatai Group [Member]
Equity in net income of partially-owned entities	[1]	$ 167	$ 74	$ 43

[1] Equity in net income of partially-owned entities includes $167 million, $74 million, and $43 million attributable to our investments in Huatai (Huatai Group, Huatai P&C, and Huatai Life) for the years ended December 31, 2020, 2019, and 2018, respectively.

[2] Related to gains (losses) from fair value changes in separate account assets that do not qualify for separate account reporting under GAAP.