Consolidated Statements of Financial Position - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Assets
Fixed maturities, available-for-sale	$ 62,889.9	$ 78,154.5
Fixed maturities, trading	760.7	422.2
Equity securities (2022 and 2021 include $740.0 million and $783.7 million related to consolidated variable interest entities)	1,708.6	2,347.2
Mortgage loans (2022 and 2021 include $1,179.7 million and $1,260.1 million related to consolidated variable interest entities)	20,629.8	19,668.7
Real estate (2022 and 2021 include $649.0 million and $672.0 million related to consolidated variable interest entities)	2,239.7	2,075.4
Policy loans	784.7	759.6
Other investments (2022 and 2021 include $375.9 million and $522.8 million related to consolidated variable interest entities)	6,075.9	5,478.3
Total investments	95,089.3	108,905.9
Cash and cash equivalents (2022 and 2021 include $32.4 million and $49.6 million related to consolidated variable interest entities)	4,848.0	2,332.0
Accrued investment income	742.1	695.8
Reinsurance recoverable and deposit receivable	22,029.6	1,186.5
Premiums due and other receivables	4,283.3	655.9
Deferred acquisition costs	4,686.9	3,757.5
Property and equipment	996.1	1,038.0
Goodwill	1,598.2	1,627.6
Other intangibles	1,533.3	1,600.6
Separate account assets (2022 and 2021 include $34,193.8 million and $33,957.7 million related to consolidated variable interest entities)	155,375.1	182,345.4
Other assets	1,057.7	512.0
Total assets	292,239.6	304,657.2
Liabilities
Contractholder funds (2022 and 2021 include $334.0 million and $344.0 million related to consolidated variable interest entities)	42,777.3	43,598.0
Future policy benefits and claims	44,874.9	43,948.1
Other policyholder funds	1,010.5	1,071.0
Short-term debt	80.7	79.8
Long-term debt	3,997.0	4,280.2
Income taxes currently payable	19.2	15.5
Deferred income taxes	1,206.8	2,320.2
Separate account liabilities (2022 and 2021 include $34,193.8 million and $33,957.7 million related to consolidated variable interest entities)	155,375.1	182,345.4
Funds withheld payable	20,436.1
Other liabilities (2022 and 2021 include $86.8 million and $58.7 million related to consolidated variable interest entities)	12,157.2	10,540.7
Total liabilities	281,934.8	288,198.9
Redeemable noncontrolling interest (2022 and 2021 include $235.3 million and $304.0 million related to consolidated variable interest entities)	262.0	332.5
Stockholders' equity
Common stock, par value $0.01 per share; 2,500.0 million shares authorized; 489.8 million and 484.9 million shares issued as of 2022 and 2021; 243.5 million and 261.7 million shares outstanding as of 2022 and 2021	4.9	4.8
Additional paid-in capital	10,740.4	10,495.0
Retained earnings	17,042.3	12,884.5
Accumulated other comprehensive income (loss)	(7,199.0)	1,610.9
Treasury stock, at cost (246.3 million and 223.2 million shares as of 2022 and 2021)	(10,586.9)	(8,925.8)
Total stockholders' equity attributable to Principal Financial Group, Inc.	10,001.7	16,069.4
Noncontrolling interest	41.1	56.4
Total stockholders' equity	10,042.8	16,125.8
Total liabilities and stockholders' equity	$ 292,239.6	$ 304,657.2