Condensed Consolidated Statements of Financial Position - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Assets
Fixed maturities, available-for-sale	$ 61,582.0	$ 62,889.9
Fixed maturities, trading (2023 and 2022 include $47.1 million and $27.8 million related to consolidated variable interest entities)	722.2	760.7
Equity securities (2023 and 2022 include $699.8 million and $740.0 million related to consolidated variable interest entities)	1,760.2	1,708.6
Mortgage loans (2023 and 2022 include $1,079.5 million and $1,179.7 million related to consolidated variable interest entities)	20,229.0	20,629.8
Real estate (2023 and 2022 include $756.2 million and $649.0 million related to consolidated variable interest entities)	2,320.9	2,239.7
Policy loans	799.3	784.7
Other investments (2023 and 2022 include $523.9 million and $375.9 million related to consolidated variable interest entities)	6,569.2	6,122.0
Total investments	93,982.8	95,135.4
Cash and cash equivalents (2023 and 2022 include $77.5 million and $32.4 million related to consolidated variable interest entities)	4,564.3	4,848.0
Accrued investment income	819.1	742.1
Reinsurance recoverable and deposit receivable	20,219.1	21,154.0
Premiums due and other receivables	3,897.0	3,933.3
Deferred acquisition costs	3,948.4	3,948.0
Market risk benefit asset	173.1	109.2
Property and equipment	958.1	996.1
Goodwill	1,593.6	1,598.2
Other intangibles	1,480.4	1,533.3
Separate account assets (2023 and 2022 include $32,537.2 million and $34,193.8 million related to consolidated variable interest entities)	155,478.2	155,375.1
Other assets	833.9	1,205.6
Total assets	287,948.0	290,578.3
Liabilities
Contractholder funds (2023 and 2022 include $309.5 million and $334.0 million related to consolidated variable interest entities)	42,303.9	42,825.3
Future policy benefits and claims	42,685.9	43,025.3
Market risk benefit liability	112.5	207.4
Other policyholder funds	946.0	911.5
Short-term debt	23.8	80.7
Long-term debt	3,930.2	3,997.0
Income taxes currently payable	10.0	19.2
Deferred income taxes	1,481.4	1,324.2
Separate account liabilities (2023 and 2022 include $32,537.2 million and $34,193.8 million related to consolidated variable interest entities)	155,478.2	155,375.1
Funds withheld payable	18,557.7	20,436.1
Other liabilities (2023 and 2022 include $83.9 million and $86.8 million related to consolidated variable interest entities)	11,436.0	12,096.7
Total liabilities	276,965.6	280,298.5
Redeemable noncontrolling interest (2023 and 2022 include $237.1 million and $235.3 million related to consolidated variable interest entities)	259.5	262.0
Stockholders' equity
Common stock, par value $0.01 per share; 2,500,000,000 shares authorized; 491,996,113 and 489,809,564 shares issued as of 2023 and 2022; 239,657,860 and 243,549,782 shares outstanding as of 2023 and 2022	4.9	4.9
Additional paid-in capital	10,870.2	10,740.4
Retained earnings	17,717.0	16,697.3
Accumulated other comprehensive income (loss)	(6,840.9)	(6,879.0)
Treasury stock, at cost; 252,338,253 and 246,259,782 shares as of 2023 and 2022	(11,079.6)	(10,586.9)
Total stockholders' equity attributable to Principal Financial Group, Inc.	10,671.6	9,976.7
Noncontrolling interest	51.3	41.1
Total stockholders' equity	10,722.9	10,017.8
Total liabilities and stockholders' equity	$ 287,948.0	$ 290,578.3