Other income and expense (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity in net income of partially-owned entities	[1]	$ 2,433	$ 1,019	$ 617
Gains (losses) from fair value changes in separate account assets	[2]	(8)	58	44
Federal excise and capital taxes		(19)	(22)	(23)
Other		(41)	(61)	(42)
Total		2,365	994	596
Huatai Group [Member]
Equity in net income of partially-owned entities		$ 233	$ 167	$ 74

[1] Equity in net income of partially-owned entities includes $233 million, $167 million, and $74 million attributable to our investments in Huatai (Huatai Group, Huatai P&C, and Huatai Life) for the years ended December 31, 2021, 2020, and 2019, respectively.

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