Condensed Consolidated Statements of Operations - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Premiums and other considerations		$ 1,457.9	$ 1,486.5	$ 4,399.2	$ 3,740.1
Fees and other revenues		1,045.7	1,008.3	3,058.6	3,139.0
Net investment income (loss)		989.2	911.7	2,964.0	2,857.1
Net realized capital gains (losses)	[1]	179.3	(27.4)	40.5	(353.4)
Net realized capital gains (losses) on funds withheld assets	[1]	1.0	8.5	119.8	697.5
Change in fair value of funds withheld embedded derivative		925.6	1,237.7	392.9	4,305.0
Total revenues		4,598.7	4,625.3	10,975.0	14,385.3
Expenses
Benefits, claims and settlement expenses		1,710.6	1,801.6	5,318.6	4,735.5
Liability for future policy benefits remeasurement (gain) loss		(42.3)	(67.6)	(47.2)	(268.0)
Market risk benefit remeasurement (gain) loss		18.4	15.6	8.6	128.8
Dividends to policyholders		21.0	24.5	67.3	72.1
Operating expenses		1,286.1	1,210.8	3,781.7	3,727.5
Total expenses		2,993.8	2,984.9	9,129.0	8,395.9
Income (loss) before income taxes		1,604.9	1,640.4	1,846.0	5,989.4
Income taxes (benefits)		354.8	328.8	336.7	1,200.7
Net income (loss)		1,250.1	1,311.6	1,509.3	4,788.7
Net income (loss) attributable to noncontrolling interest		3.9	(4.1)	14.4	15.6
Net income (loss) attributable to Principal Financial Group, Inc.		$ 1,246.2	$ 1,315.7	$ 1,494.9	$ 4,773.1
Earnings per common share
Basic earnings per common share (in dollars per share)		$ 5.17	$ 5.31	$ 6.17	$ 18.84
Diluted earnings per common share (in dollars per share)		$ 5.10	$ 5.22	$ 6.08	$ 18.55

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