Consolidated Statements of Financial Position - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets
Fixed maturities, available-for-sale	$ 65,673.1	$ 62,889.9
Fixed maturities, trading (2023 and 2022 include $81.2 million and $27.8 million related to consolidated variable interest entities)	836.2	760.7
Equity securities (2023 and 2022 include $394.4 million and $740.0 million related to consolidated variable interest entities)	1,478.1	1,708.6
Mortgage loans (2023 and 2022 include $871.9 million and $1,179.7 million related to consolidated variable interest entities)	20,142.8	20,629.8
Real estate (2023 and 2022 include $779.1 million and $649.0 million related to consolidated variable interest entities)	2,345.3	2,239.7
Policy loans	809.3	784.7
Other investments (2023 and 2022 include $596.4 million and $375.9 million related to consolidated variable interest entities and $163.2 million and $0.0 million measured at fair value under the fair value option)	7,035.6	6,122.0
Total investments	98,320.4	95,135.4
Cash and cash equivalents (2023 and 2022 include $83.6 million and $32.4 million related to consolidated variable interest entities)	4,707.7	4,848.0
Accrued investment income	786.2	742.1
Reinsurance recoverable and deposit receivable	20,611.7	21,442.7
Premiums due and other receivables	3,998.8	3,933.3
Deferred acquisition costs	3,950.5	3,948.0
Market risk benefit asset	153.4	109.2
Property and equipment	938.4	996.1
Goodwill	1,608.5	1,598.2
Other intangibles	1,469.8	1,533.3
Separate account assets (2023 and 2022 include $34,688.3 million and $34,193.8 million related to consolidated variable interest entities)	167,605.6	155,375.1
Other assets	895.7	1,205.6
Total assets	305,046.7	290,867.0
Liabilities
Contractholder funds (2023 and 2022 include $0.0 million and $334.0 million related to consolidated variable interest entities)	41,501.1	42,825.3
Future policy benefits and claims	46,826.5	43,314.0
Market risk benefit liability	133.2	207.4
Other policyholder funds	916.8	911.5
Short-term debt	61.1	80.7
Long-term debt	3,930.9	3,997.0
Income taxes currently payable	11.9	19.2
Deferred income taxes	1,613.3	1,324.2
Separate account liabilities (2023 and 2022 include $34,688.3 million and $34,193.8 million related to consolidated variable interest entities)	167,605.6	155,375.1
Funds withheld payable	19,629.5	20,436.1
Other liabilities (2023 and 2022 include $87.7 million and $86.8 million related to consolidated variable interest entities)	11,606.2	12,096.7
Total liabilities	293,836.1	280,587.2
Redeemable noncontrolling interest (2023 and 2022 include $226.4 million and $235.3 million related to consolidated variable interest entities)	248.9	262.0
Stockholders' equity
Common stock, par value $0.01 per share; 2,500,000,000 shares authorized; 492,279,405 and 489,809,564 shares issued as of 2023 and 2022; 236,438,294 and 243,549,782 shares outstanding as of 2023 and 2022	4.9	4.9
Additional paid-in capital	10,908.6	10,740.4
Retained earnings	16,683.5	16,697.3
Accumulated other comprehensive income (loss)	(5,345.3)	(6,879.0)
Treasury stock, at cost; 255,841,111 and 246,259,782 shares as of 2023 and 2022	(11,335.7)	(10,586.9)
Total stockholders' equity attributable to Principal Financial Group, Inc.	10,916.0	9,976.7
Noncontrolling interest	45.7	41.1
Total stockholders' equity	10,961.7	10,017.8
Total liabilities and stockholders' equity	$ 305,046.7	$ 290,867.0