Condensed Consolidated Statements of Operations - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Revenues
Premiums and other considerations		$ 1,448.6	$ 887.4
Fees and other revenues		995.3	1,219.2
Net investment income (loss)		986.7	1,125.5
Net realized capital gains (losses)	[1]	(66.0)	(136.6)
Net realized capital gains (losses) on funds withheld assets	[1]	81.0
Change in fair value of funds withheld embedded derivative		(626.6)	0.0
Total revenues		2,819.0	3,095.5
Expenses
Benefits, claims and settlement expenses		1,773.9	1,490.7
Net liability for future policy benefits remeasurement (gain) loss		(5.6)	13.4
Market risk benefit remeasurement (gain) loss		(2.9)	8.9
Dividends to policyholders		23.2	23.1
Operating expenses		1,242.9	1,181.0
Total expenses		3,031.5	2,717.1
Income (loss) before income taxes		(212.5)	378.4
Income taxes (benefits)		(78.0)	35.2
Net income (loss)		(134.5)	343.2
Net income (loss) attributable to noncontrolling interest		5.6	4.5
Net income (loss) attributable to Principal Financial Group, Inc.		$ (140.1)	$ 338.7
Earnings per common share
Basic earnings per common share (in dollars per share)		$ (0.58)	$ 1.31
Diluted earnings per common share (in dollars per share)		$ (0.58)	$ 1.28

[1] Includes realized and unrealized gains (losses). See Note 3, Investments, for further details.