New Accounting Standards - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 01, 2023	Mar. 31, 2023	Mar. 31, 2022		Jan. 01, 2023	Dec. 31, 2022		Dec. 31, 2021	[3]	Jan. 01, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity standard to result in a decrease		$ 8,638,000				$ 8,646,000	[1]
Accumulated other comprehensive income (loss)		(2,308,000)			$ (3,378,000)	(3,378,000)	[1]			$ 3,436,000
Retained earnings		4,852,000			6,403,000	6,403,000	[1]			(2,927,000)
Net income (loss) attributable to Jackson Financial Inc.	$ 2,194,000	(1,497,000)	$ 2,194,000	[2]
Equity		$ 9,467,000	$ 8,909,000	[3]	$ 9,378,000	9,378,000	[1]	$ 8,321,000		6,935,000
As Revised
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity standard to result in a decrease										3,000,000
Accumulated other comprehensive income (loss)										(400,000)
Retained earnings										$ (2,600,000)
Jackson Financial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity						$ 223,000

[1] (1) Recast for the adoption of ASU 2018-12. See Notes 1 and 2 to the Condensed Consolidated Financial Statements.

[2] (1) Recast for the adoption of ASU 2018-12. See Notes 1 and 2 to the Condensed Consolidated Financial Statements.

[3] (1) Recast for the adoption of ASU 2018-12. See Notes 1 and 2 to the Condensed Consolidated Financial Statements.