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Condensed Consolidating Financial Information
 12 Months Ended
Dec. 31, 2013
Condensed Consolidating Financial Information  
Condensed Consolidating Financial Information

21. Condensed Consolidating Financial Information

        Principal Life has established special purpose entities to issue secured medium-term notes. Under the program, the payment obligations of principal and interest on the notes are secured by funding agreements issued by Principal Life. Principal Life's payment obligations on the funding agreements are fully and unconditionally guaranteed by PFG. All of the outstanding stock of Principal Life is indirectly owned by PFG and PFG is the only guarantor of the payment obligations of the funding agreements.

        The following tables set forth condensed consolidating financial information of (i) PFG, (ii) Principal Life, (iii) Principal Financial Services, Inc. ("PFS") and all other direct and indirect subsidiaries of PFG on a combined basis and (iv) the eliminations necessary to arrive at the information for PFG on a consolidated basis as of December 31, 2013 and December 31, 2012, and for the years ended December 31, 2013, 2012 and 2011.

        In presenting the condensed consolidating financial statements, the equity method of accounting has been applied to (i) PFG's interest in PFS, (ii) Principal Life's interest in all direct subsidiaries of Principal Life and (iii) PFS's interest in Principal Life even though all such subsidiaries meet the requirements to be consolidated under U.S. GAAP. Earnings of subsidiaries are, therefore, reflected in the parent's investment and earnings. All intercompany balances and transactions, including elimination of the parent's investment in subsidiaries, between PFG, Principal Life and PFS and all other subsidiaries have been eliminated, as shown in the column "Eliminations." These condensed consolidating financial statements should be read in conjunction with the consolidated financial statements. The financial information may not necessarily be indicative of results of operations, cash flows or financial position had the subsidiaries operated as independent entities.

Condensed Consolidating Statements of Financial Position
December 31, 2013

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Assets

                                

Fixed maturities, available-for-sale

   $ —   $ 42,794.7   $ 6,357.5   $ (395.1 ) $ 48,757.1  

Fixed maturities, trading

     —     245.5     317.6     —     563.1  

Equity securities, available-for-sale

     —     102.6     7.9     —     110.5  

Equity securities, trading

     —     0.3     716.6     —     716.9  

Mortgage loans

     —     10,501.5     1,345.9     (313.8 )   11,533.6  

Real estate

     —     7.9     1,263.7     —     1,271.6  

Policy loans

     —     830.1     29.6     —     859.7  

Investment in unconsolidated entities

     11,956.2     3,396.8     4,891.6     (19,364.6 )   880.0  

Other investments

     9.3     1,892.4     1,238.8     (1,076.1 )   2,064.4  

Cash and cash equivalents

     131.5     1,332.2     894.5     13.6     2,371.8  

Accrued investment income

     —     474.5     59.0     (1.4 )   532.1  

Premiums due and other receivables

     —     1,029.0     1,814.5     (1,602.5 )   1,241.0  

Deferred acquisition costs

     —     2,848.8     228.2     —     3,077.0  

Property and equipment

     —     422.1     78.6     —     500.7  

Goodwill

     —     54.3     1,046.0     —     1,100.3  

Other intangibles

     —     26.9     1,432.1     —     1,459.0  

Separate account assets

     —     83,790.2     46,228.2     —     130,018.4  

Other assets

     59.2     976.9     2,115.3     (2,017.2 )   1,134.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total assets

   $ 12,156.2   $ 150,726.7   $ 70,065.6   $ (24,757.1 ) $ 208,191.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Liabilities

                                

Contractholder funds

   $ —   $ 34,918.0   $ 1,330.7   $ (290.4 ) $ 35,958.3  

Future policy benefits and claims

     —     18,292.9     4,625.0     (291.7 )   22,626.2  

Other policyholder funds

     —     705.1     54.2     (0.4 )   758.9  

Short-term debt

     —     —     150.6     —     150.6  

Long-term debt

     2,448.8     99.4     367.0     (313.8 )   2,601.4  

Income taxes currently payable

     —     —     67.4     (62.2 )   5.2  

Deferred income taxes

     —     (25.0 )   1,030.1     (181.1 )   824.0  

Separate account liabilities

     —     83,790.2     46,228.2     —     130,018.4  

Other liabilities

     23.2     5,204.8     3,911.8     (3,915.6 )   5,224.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities

     2,472.0     142,985.4     57,765.0     (5,055.2 )   198,167.2  

Redeemable noncontrolling interest

    
—		    
—		    
247.2		    
—		    
247.2		  

Stockholders' equity

    
 		    
 		    
 		    
 		    
 		  

Series A preferred stock

     —     —     —     —     —  

Series B preferred stock

     0.1     —     —     —     0.1  

Common stock

     4.6     2.5     —     (2.5 )   4.6  

Additional paid-in capital

     9,798.9     5,505.0     9,163.7     (14,668.7 )   9,798.9  

Retained earnings

     5,405.4     1,738.1     2,578.2     (4,316.3 )   5,405.4  

Accumulated other comprehensive income

     183.2     495.7     214.3     (710.0 )   183.2  

Treasury stock, at cost

     (5,708.0 )   —     —     —     (5,708.0 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity attributable to PFG

     9,684.2     7,741.3     11,956.2     (19,697.5 )   9,684.2  

Noncontrolling interest

     —     —     97.2     (4.4 )   92.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity

     9,684.2     7,741.3     12,053.4     (19,701.9 )   9,777.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities and stockholders' equity

   $ 12,156.2   $ 150,726.7   $ 70,065.6   $ (24,757.1 ) $ 208,191.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Financial Position
December 31, 2012

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Assets

                                

Fixed maturities, available-for-sale

   $ —   $ 44,614.6   $ 6,681.7   $ (357.0 ) $ 50,939.3  

Fixed maturities, trading

     10.5     284.4     331.8     —     626.7  

Equity securities, available-for-sale

     —     131.3     5.2     —     136.5  

Equity securities, trading

     —     0.3     252.5     —     252.8  

Mortgage loans

     —     10,054.2     1,775.5     (310.0 )   11,519.7  

Real estate

     —     8.4     1,171.9     —     1,180.3  

Policy loans

     —     834.0     30.9     —     864.9  

Investment in unconsolidated entities

     11,853.3     3,309.2     4,808.3     (19,101.8 )   869.0  

Other investments

     11.1     2,834.0     1,208.4     (1,631.4 )   2,422.1  

Cash and cash equivalents

     207.1     1,698.4     2,286.9     (15.2 )   4,177.2  

Accrued investment income

     —     521.6     64.5     (1.7 )   584.4  

Premiums due and other receivables

     0.1     916.7     1,327.1     (1,159.5 )   1,084.4  

Deferred acquisition costs

     —     2,394.8     195.2     —     2,590.0  

Property and equipment

     —     402.2     62.0     —     464.2  

Goodwill

     —     54.3     489.1     —     543.4  

Other intangibles

     —     27.9     886.8     —     914.7  

Separate account assets

     —     69,217.8     12,436.0     —     81,653.8  

Other assets

     78.0     947.8     1,567.7     (1,586.7 )   1,006.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total assets

   $ 12,160.1   $ 138,251.9   $ 35,581.5   $ (24,163.3 ) $ 161,830.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Liabilities

                                

Contractholder funds

   $ —   $ 37,053.3   $ 1,011.9   $ (278.7 ) $ 37,786.5  

Future policy benefits and claims

     —     17,944.9     4,679.6     (188.3 )   22,436.2  

Other policyholder funds

     —     676.5     40.3     (0.4 )   716.4  

Short-term debt

     —     —     40.8     —     40.8  

Long-term debt

     2,448.6     99.4     433.3     (310.0 )   2,671.3  

Income taxes currently payable

     —     —     84.7     (69.4 )   15.3  

Deferred income taxes

     —     324.5     378.4     (102.9 )   600.0  

Separate account liabilities

     —     69,217.8     12,436.0     —     81,653.8  

Other liabilities

     28.1     5,375.1     4,538.4     (3,795.5 )   6,146.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities

     2,476.7     130,691.5     23,643.4     (4,745.2 )   152,066.4  

Redeemable noncontrolling interest

    
—		    
—		    
60.4		    
—		    
60.4		  

Stockholders' equity

    
 		    
 		    
 		    
 		    
 		  

Series A preferred stock

     —     —     —     —     —  

Series B preferred stock

     0.1     —     —     —     0.1  

Common stock

     4.5     2.5     —     (2.5 )   4.5  

Additional paid-in capital

     9,730.9     5,747.6     9,393.8     (15,141.4 )   9,730.9  

Retained earnings

     4,862.0     1,167.7     1,783.4     (2,951.1 )   4,862.0  

Accumulated other comprehensive income

     640.3     642.6     676.1     (1,318.7 )   640.3  

Treasury stock, at cost

     (5,554.4 )   —     —     —     (5,554.4 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity attributable to PFG

     9,683.4     7,560.4     11,853.3     (19,413.7 )   9,683.4  

Noncontrolling interest

     —     —     24.4     (4.4 )   20.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity

     9,683.4     7,560.4     11,877.7     (19,418.1 )   9,703.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities and stockholders' equity

   $ 12,160.1   $ 138,251.9   $ 35,581.5   $ (24,163.3 ) $ 161,830.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Operations
For the year ended December 31, 2013

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Revenues

                                

Premiums and other considerations

   $ —   $ 2,788.1   $ 366.0   $ —   $ 3,154.1  

Fees and other revenues

     —     1,723.8     1,855.0     (356.6 )   3,222.2  

Net investment income

     0.4     2,354.5     753.8     29.7     3,138.4  

Net realized capital gains (losses), excluding impairment losses on available-for-sale securities

     6.3     (779.5 )   663.9     0.1     (109.2 )

Total other-than-temporary impairment losses on available-for-sale securities

     —     (85.6 )   (5.9 )   —     (91.5 )

Other-than-temporary impairment losses on fixed maturities, available-for-sale reclassified from other comprehensive income

     —     (17.0 )   (7.5 )   —     (24.5 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net impairment losses on available-for-sale securities

     —     (102.6 )   (13.4 )   —     (116.0 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net realized capital gains (losses)

     6.3     (882.1 )   650.5     0.1     (225.2 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total revenues

     6.7     5,984.3     3,625.3     (326.8 )   9,289.5  

Expenses

                                

Benefits, claims and settlement expenses

     —     4,056.6     639.2     (12.2 )   4,683.6  

Dividends to policyholders

     —     189.0     —     —     189.0  

Operating expenses

     140.5     1,887.7     1,567.5     (302.8 )   3,292.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total expenses

     140.5     6,133.3     2,206.7     (315.0 )   8,165.5  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Income (loss) before income taxes

     (133.8 )   (149.0 )   1,418.6     (11.8 )   1,124.0  

Income taxes (benefits)

     (54.0 )   (167.5 )   412.6     (3.2 )   187.9  

Equity in the net income of subsidiaries

     992.5     678.1     10.1     (1,680.7 )   —  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income

     912.7     696.6     1,016.1     (1,689.3 )   936.1  

Net income attributable to noncontrolling interest

     —     —     23.6     (0.2 )   23.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income attributable to PFG

     912.7     696.6     992.5     (1,689.1 )   912.7  

Preferred stock dividends

     33.0     —     —     —     33.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income available to common stockholders

   $ 879.7   $ 696.6   $ 992.5   $ (1,689.1 ) $ 879.7  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Net income

   $ 912.7   $ 696.6   $ 1,016.1   $ (1,689.3 ) $ 936.1  

Other comprehensive loss

     (450.1 )   (146.6 )   (300.1 )   424.9     (471.9 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Comprehensive income

   $ 462.6   $ 550.0   $ 716.0   $ (1,264.4 ) $ 464.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Operations
For the year ended December 31, 2012

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Revenues

                                

Premiums and other considerations

   $ —   $ 2,878.9   $ 340.5   $ —   $ 3,219.4  

Fees and other revenues

     0.5     1,529.7     1,404.1     (307.6 )   2,626.7  

Net investment income

     3.0     2,484.5     743.1     24.3     3,254.9  

Net realized capital gains (losses), excluding impairment losses on available-for-sale securities

     0.3     (194.8 )   454.8     (27.6 )   232.7  

Total other-than-temporary impairment losses on available-for-sale securities

     —     (121.1 )   (14.8 )   —     (135.9 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Other-than-temporary impairment losses on fixed maturities, available-for-sale reclassified to other comprehensive income

     —     13.8     3.5     —     17.3  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net impairment losses on available-for-sale securities

     —     (107.3 )   (11.3 )   —     (118.6 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net realized capital gains (losses)

     0.3     (302.1 )   443.5     (27.6 )   114.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total revenues

     3.8     6,591.0     2,931.2     (310.9 )   9,215.1  

Expenses

                                

Benefits, claims and settlement expenses

     —     4,517.8     618.5     (12.4 )   5,123.9  

Dividends to policyholders

     —     197.7     —     —     197.7  

Operating expenses

     170.2     1,764.2     1,265.0     (265.9 )   2,933.5  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total expenses

     170.2     6,479.7     1,883.5     (278.3 )   8,255.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Income (loss) before income taxes

     (166.4 )   111.3     1,047.7     (32.6 )   960.0  

Income taxes (benefits)

     (67.6 )   (83.2 )   287.1     (1.7 )   134.6  

Equity in the net income of subsidiaries

     905.4     480.4     163.9     (1,549.7 )   —  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income

     806.6     674.9     924.5     (1,580.6 )   825.4  

Net income attributable to noncontrolling interest

     —     —     19.1     (0.3 )   18.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income attributable to PFG

     806.6     674.9     905.4     (1,580.3 )   806.6  

Preferred stock dividends

     33.0     —     —     —     33.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income available to common stockholders

   $ 773.6   $ 674.9   $ 905.4   $ (1,580.3 ) $ 773.6  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Net income

   $ 806.6   $ 674.9   $ 924.5   $ (1,580.6 ) $ 825.4  

Other comprehensive income

     321.2     315.2     95.1     (361.4 )   370.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Comprehensive income

   $ 1,127.8   $ 990.1   $ 1,019.6   $ (1,942.0 ) $ 1,195.5  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Operations
For the year ended December 31, 2011

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Revenues

                                

Premiums and other considerations

   $ —   $ 2,579.6   $ 311.4   $ —   $ 2,891.0  

Fees and other revenues

     0.2     1,566.7     1,257.6     (297.8 )   2,526.7  

Net investment income (loss)

     (12.0 )   2,578.9     763.2     45.2     3,375.3  

Net realized capital gains (losses), excluding impairment losses on available-for-sale securities

     —     442.8     (388.7 )   20.9     75.0  

Total other-than-temporary impairment losses on available-for-sale securities

     —     (130.6 )   (17.0 )   —     (147.6 )

Other-than-temporary impairment losses on fixed maturities, available-for-sale reclassified to (from) other comprehensive income

     —     (51.5 )   1.8     —     (49.7 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net impairment losses on available-for-sale securities

     —     (182.1 )   (15.2 )   —     (197.3 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net realized capital gains (losses)

     —     260.7     (403.9 )   20.9     (122.3 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total revenues

     (11.8 )   6,985.9     1,928.3     (231.7 )   8,670.7  

Expenses

                                

Benefits, claims and settlement expenses

     —     4,013.0     616.9     (13.3 )   4,616.6  

Dividends to policyholders

     —     210.2     —     —     210.2  

Operating expenses

     116.0     1,965.0     1,142.9     (252.8 )   2,971.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total expenses

     116.0     6,188.2     1,759.8     (266.1 )   7,797.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Income (loss) before income taxes

     (127.8 )   797.7     168.5     34.4     872.8  

Income taxes (benefits)

     (50.4 )   267.0     (18.5 )   0.2     198.3  

Equity in the net income of subsidiaries

     715.7     7.2     565.1     (1,288.0 )   —  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income

     638.3     537.9     752.1     (1,253.8 )   674.5  

Net income attributable to noncontrolling interest

     —     —     36.4     (0.2 )   36.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income attributable to PFG

     638.3     537.9     715.7     (1,253.6 )   638.3  

Preferred stock dividends

     33.0     —     —     —     33.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income available to common stockholders

   $ 605.3   $ 537.9   $ 715.7   $ (1,253.6 ) $ 605.3  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Net income

   $ 638.3   $ 537.9   $ 752.1   $ (1,253.8 ) $ 674.5  

Other comprehensive income (loss)

     (34.5 )   100.1     (166.6 )   60.4     (40.6 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Comprehensive income

   $ 603.8   $ 638.0   $ 585.5   $ (1,193.4 ) $ 633.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Cash Flows
For the year ended December 31, 2013

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal
Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Operating activities

                                

Net cash provided by (used in) operating activities

   $ (42.8 ) $ 2,271.7   $ (170.1 ) $ 162.4   $ 2,221.2  

Investing activities

                                

Available-for-sale securities:

                                

Purchases

     —     (7,850.8 )   (1,186.1 )   11.7     (9,025.2 )

Sales

     —     1,536.0     434.0     (50.9 )   1,919.1  

Maturities

     —     6,433.3     925.9     —     7,359.2  

Mortgage loans acquired or originated

     —     (2,378.4 )   (202.2 )   387.7     (2,192.9 )

Mortgage loans sold or repaid

     —     1,918.0     634.3     (457.2 )   2,095.1  

Real estate acquired

     —     —     (85.6 )   —     (85.6 )

Net purchases of property and equipment

     —     (52.4 )   (7.0 )   —     (59.4 )

Purchases of interests in subsidiaries, net of cash acquired

     —     —     (1,268.3 )   —     (1,268.3 )

Dividends and returns of capital received from unconsolidated entities

     319.5     444.2     319.5     (1,083.2 )   —  

Net change in other investments

     (3.1 )   56.1     (70.2 )   48.9     31.7  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) investing activities

     316.4     106.0     (505.7 )   (1,143.0 )   (1,226.3 )

Financing activities

                                

Issuance of common stock

     125.8     —     —     —     125.8  

Acquisition of treasury stock

     (153.6 )   —     —     —     (153.6 )

Proceeds from financing element derivatives

     —     47.0     —     —     47.0  

Payments for financing element derivatives

     —     (48.0 )   —     —     (48.0 )

Excess tax benefits from share-based payment arrangements

     —     3.1     7.0     —     10.1  

Purchase of subsidiary shares from noncontrolling interest

     —     —     (52.9 )   —     (52.9 )

Sale of subsidiary shares to noncontrolling interest

     —     —     31.8     —     31.8  

Dividends to common stockholders

     (288.4 )   —     —     —     (288.4 )

Dividends to preferred stockholders

     (33.0 )   —     —     —     (33.0 )

Issuance of long-term debt

     —     —     38.2     —     38.2  

Principal repayments of long-term debt

     —     —     (214.4 )   (3.8 )   (218.2 )

Net proceeds from short-term borrowings

     —     —     108.0     —     108.0  

Dividends and capital paid to parent

     —     (249.5 )   (763.7 )   1,013.2     —  

Investment contract deposits

     —     6,355.1     361.2     —     6,716.3  

Investment contract withdrawals

     —     (8,846.6 )   (6.1 )   —     (8,852.7 )

Net decrease in banking operation deposits

     —     —     (225.7 )   —     (225.7 )

Other

     —     (5.0 )   —     —     (5.0 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash used in financing activities

     (349.2 )   (2,743.9 )   (716.6 )   1,009.4     (2,800.3 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net decrease in cash and cash equivalents

     (75.6 )   (366.2 )   (1,392.4 )   28.8     (1,805.4 )

Cash and cash equivalents at beginning of period

     207.1     1,698.4     2,286.9     (15.2 )   4,177.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Cash and cash equivalents at end of period

   $ 131.5   $ 1,332.2   $ 894.5   $ 13.6   $ 2,371.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Cash Flows
For the year ended December 31, 2012

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal
Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Operating activities

                                

Net cash provided by (used in) operating activities

   $ 204.8   $ 3,133.8   $ (382.5 ) $ 124.7   $ 3,080.8  

Investing activities

                                

Available-for-sale securities:

                                

Purchases

     —     (7,254.5 )   (1,024.9 )   15.5     (8,263.9 )

Sales

     —     1,183.9     134.8     (15.0 )   1,303.7  

Maturities

     —     5,805.7     841.8     —     6,647.5  

Mortgage loans acquired or originated

     —     (2,224.8 )   (250.4 )   (63.2 )   (2,538.4 )

Mortgage loans sold or repaid

     —     1,422.2     382.3     (136.5 )   1,668.0  

Real estate acquired

     —     —     (151.8 )   —     (151.8 )

Net purchases of property and equipment

     —     (22.2 )   (16.7 )   —     (38.9 )

Purchases of interests in subsidiaries, net of cash acquired

     —     —     (80.4 )   —     (80.4 )

Dividends and returns of capital received from (contributions to) unconsolidated entities

     (759.2 )   299.2     714.8     (254.8 )   —  

Net change in other investments

     (0.2 )   (148.4 )   (1.6 )   (6.9 )   (157.1 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) investing activities

     (759.4 )   (938.9 )   547.9     (460.9 )   (1,611.3 )

Financing activities

                                

Issuance of common stock

     28.9     —     —     —     28.9  

Acquisition of treasury stock

     (272.7 )   —     —     —     (272.7 )

Proceeds from financing element derivatives

     —     51.8     —     —     51.8  

Payments for financing element derivatives

     —     (49.9 )   —     —     (49.9 )

Excess tax benefits from share-based payment arrangements

     —     5.1     5.7     —     10.8  

Dividends to common stockholders

     (231.3 )   —     —     —     (231.3 )

Dividends to preferred stockholders

     (33.0 )   —     —     —     (33.0 )

Issuance of long-term debt

     1,483.9     —     9.5     —     1,493.4  

Principal repayments of long-term debt

     (440.8 )   —     (90.9 )   81.1     (450.6 )

Net repayments of short-term borrowings

     —     —     (68.8 )   —     (68.8 )

Capital received from (dividends and capital paid to) parent

     —     (714.8 )   460.0     254.8     —  

Investment contract deposits

     —     6,401.2     499.2     —     6,900.4  

Investment contract withdrawals

     —     (7,519.8 )   (2.8 )   —     (7,522.6 )

Net increase in banking operation deposits

     —     —     32.0     —     32.0  

Other

     —     (14.6 )   —     —     (14.6 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) financing activities

     535.0     (1,841.0 )   843.9     335.9     (126.2 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net increase (decrease) in cash and cash equivalents

     (19.6 )   353.9     1,009.3     (0.3 )   1,343.3  

Cash and cash equivalents at beginning of period

     226.7     1,344.5     1,277.6     (14.9 )   2,833.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Cash and cash equivalents at end of period

   $ 207.1   $ 1,698.4   $ 2,286.9   $ (15.2 ) $ 4,177.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Cash Flows
For the year ended December 31, 2011

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal Life
Insurance
Company
Only		   Principal
Financial
Services, Inc. and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Operating activities

                                

Net cash provided by (used in) operating activities

   $ (73.3 ) $ 2,495.5   $ 304.7   $ (13.6 ) $ 2,713.3  

Investing activities

                                

Available-for-sale securities:

                                

Purchases

     (4.4 )   (6,047.2 )   (696.8 )   6.0     (6,742.4 )

Sales

     200.0     689.5     116.2     (25.0 )   980.7  

Maturities

     4.4     5,037.0     719.4     —     5,760.8  

Mortgage loans acquired or originated

     —     (1,372.7 )   (169.0 )   56.8     (1,484.9 )

Mortgage loans sold or repaid

     —     1,548.6     339.3     (94.8 )   1,793.1  

Real estate acquired

     —     (0.3 )   (129.6 )   —     (129.9 )

Net purchases of property and equipment

     —     (46.7 )   (10.2 )   —     (56.9 )

Purchases of interests in subsidiaries, net of cash acquired

     —     —     (270.5 )   —     (270.5 )

Dividends and returns of capital received from unconsolidated entities

     506.5     327.9     756.5     (1,590.9 )   —  

Net change in other investments

     (0.2 )   (48.1 )   84.5     (88.3 )   (52.1 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) investing activities

     706.3     88.0     739.8     (1,736.2 )   (202.1 )

Financing activities

                                

Issuance of common stock

     25.9     —     —     —     25.9  

Acquisition of treasury stock

     (556.4 )   —     —     —     (556.4 )

Proceeds from financing element derivatives

     —     75.9     —     —     75.9  

Payments for financing element derivatives

     —     (46.5 )   —     —     (46.5 )

Excess tax benefits from share-based payment arrangements

     —     0.8     1.2     —     2.0  

Dividends to common stockholders

     (213.7 )   —     —     —     (213.7 )

Dividends to preferred stockholders

     (33.0 )   —     —     —     (33.0 )

Principal repayments of long-term debt

     —     —     (69.4 )   57.2     (12.2 )

Net proceeds from short-term borrowings

     —     —     3.2     —     3.2  

Dividends and capital paid to parent

     —     (756.5 )   (834.4 )   1,590.9     —  

Investment contract deposits

     —     5,868.7     433.4     —     6,302.1  

Investment contract withdrawals

     —     (7,076.7 )   (2.3 )   —     (7,079.0 )

Net decrease in banking operation deposits

     —     —     (18.5 )   —     (18.5 )

Other

     —     (4.5 )   —     —     (4.5 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash used in financing activities

     (777.2 )   (1,938.8 )   (486.8 )   1,648.1     (1,554.7 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net increase (decrease) in cash and cash equivalents

     (144.2 )   644.7     557.7     (101.7 )   956.5  

Cash and cash equivalents at beginning of period

     370.9     699.8     719.9     86.8     1,877.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Cash and cash equivalents at end of period

   $ 226.7   $ 1,344.5   $ 1,277.6   $ (14.9 ) $ 2,833.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

        On May 24, 2011, our shelf registration statement was filed with the SEC and became effective. The shelf registration replaces the shelf registration that had been in effect since June 2008, as it was scheduled to expire in June 2011. Under our current shelf registration, we have the ability to issue unsecured senior debt securities or subordinated debt securities, junior subordinated debt, preferred stock, common stock, warrants, depository shares, stock purchase contracts and stock purchase units of PFG, trust preferred securities of three subsidiary trusts and guarantees by PFG of these trust preferred securities. Our wholly owned subsidiary, PFS, may guarantee, fully and unconditionally or otherwise, our obligations with respect to any non-convertible securities, other than common stock, described in the shelf registration statement.

        The following tables set forth condensed consolidating financial information of (i) PFG, (ii) PFS, (iii) Principal Life and all other direct and indirect subsidiaries of PFG on a combined basis and (iv) the eliminations necessary to arrive at the information for PFG on a consolidated basis as of December 31, 2013 and December 31, 2012, and for the years ended December 31, 2013, 2012 and 2011.

        In presenting the condensed consolidating financial statements, the equity method of accounting has been applied to (i) PFG's interest in PFS and (ii) PFS's interest in Principal Life and all other subsidiaries, where applicable, even though all such subsidiaries meet the requirements to be consolidated under U.S. GAAP. Earnings of subsidiaries are, therefore, reflected in the parent's investment and earnings. All intercompany balances and transactions, including elimination of the parent's investment in subsidiaries, between PFG, PFS and Principal Life and all other subsidiaries have been eliminated, as shown in the column "Eliminations." These condensed consolidating financial statements should be read in conjunction with the consolidated financial statements. The financial information may not necessarily be indicative of results of operations, cash flows or financial position had the subsidiaries operated as independent entities.

Condensed Consolidating Statements of Financial Position
December 31, 2013

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance Company
and Other
Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Assets

                                

Fixed maturities, available-for-sale

   $ —   $ —   $ 48,757.1   $ —   $ 48,757.1  

Fixed maturities, trading

     —     —     563.1     —     563.1  

Equity securities, available-for-sale

     —     —     110.5     —     110.5  

Equity securities, trading

     —     —     716.9     —     716.9  

Mortgage loans

     —     —     11,533.6     —     11,533.6  

Real estate

     —     —     1,271.6     —     1,271.6  

Policy loans

     —     —     859.7     —     859.7  

Investment in unconsolidated entities

     11,956.2     11,647.6     879.8     (23,603.6 )   880.0  

Other investments

     9.3     72.7     1,982.5     (0.1 )   2,064.4  

Cash and cash equivalents

     131.5     688.7     2,384.0     (832.4 )   2,371.8  

Accrued investment income

     —     —     532.1     —     532.1  

Premiums due and other receivables

     —     0.1     2,330.4     (1,089.5 )   1,241.0  

Deferred acquisition costs

     —     —     3,077.0     —     3,077.0  

Property and equipment

     —     —     500.7     —     500.7  

Goodwill

     —     —     1,100.3     —     1,100.3  

Other intangibles

     —     —     1,459.0     —     1,459.0  

Separate account assets

     —     —     130,018.4     —     130,018.4  

Other assets

     59.2     94.8     1,181.0     (200.8 )   1,134.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total assets

   $ 12,156.2   $ 12,503.9   $ 209,257.7   $ (25,726.4 ) $ 208,191.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Liabilities

                                

Contractholder funds

   $ —   $ —   $ 35,958.3   $ —   $ 35,958.3  

Future policy benefits and claims

     —     —     22,626.2     —     22,626.2  

Other policyholder funds

     —     —     758.9     —     758.9  

Short-term debt

     —     —     443.0     (292.4 )   150.6  

Long-term debt

     2,448.8     —     1,236.9     (1,084.3 )   2,601.4  

Income taxes currently payable

     —     2.8     44.7     (42.3 )   5.2  

Deferred income taxes

     —     —     979.6     (155.6 )   824.0  

Separate account liabilities

     —     —     130,018.4     —     130,018.4  

Other liabilities

     23.2     544.9     5,204.1     (548.0 )   5,224.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities

     2,472.0     547.7     197,270.1     (2,122.6 )   198,167.2  

Redeemable noncontrolling interest

    
—		    
—		    
247.2		    
—		    
247.2		  

Stockholders' equity

    
 		    
 		    
 		    
 		    
 		  

Series A preferred stock

     —     —     —     —     —  

Series B preferred stock

     0.1     —     —     —     0.1  

Common stock

     4.6     —     17.8     (17.8 )   4.6  

Additional paid-in capital

     9,798.9     9,163.7     9,057.1     (18,220.8 )   9,798.9  

Retained earnings

     5,405.4     2,578.2     2,387.2     (4,965.4 )   5,405.4  

Accumulated other comprehensive income

     183.2     214.3     187.5     (401.8 )   183.2  

Treasury stock, at cost

     (5,708.0 )   —     (2.0 )   2.0     (5,708.0 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity attributable to PFG

     9,684.2     11,956.2     11,647.6     (23,603.8 )   9,684.2  

Noncontrolling interest

     —     —     92.8     —     92.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity

     9,684.2     11,956.2     11,740.4     (23,603.8 )   9,777.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities and stockholders' equity

   $ 12,156.2   $ 12,503.9   $ 209,257.7   $ (25,726.4 ) $ 208,191.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Financial Position
December 31, 2012

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance Company
and Other
Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Assets

                                

Fixed maturities, available-for-sale

   $ —   $ —   $ 50,939.3   $ —   $ 50,939.3  

Fixed maturities, trading

     10.5     —     616.2     —     626.7  

Equity securities, available-for-sale

     —     —     136.5     —     136.5  

Equity securities, trading

     —     —     252.8     —     252.8  

Mortgage loans

     —     —     11,519.7     —     11,519.7  

Real estate

     —     —     1,180.3     —     1,180.3  

Policy loans

     —     —     864.9     —     864.9  

Investment in unconsolidated entities

     11,853.3     10,632.1     860.2     (22,476.6 )   869.0  

Other investments

     11.1     39.6     2,371.4     —     2,422.1  

Cash and cash equivalents

     207.1     612.5     4,241.3     (883.7 )   4,177.2  

Accrued investment income

     —     —     584.4     —     584.4  

Premiums due and other receivables

     0.1     1,122.1     2,206.7     (2,244.5 )   1,084.4  

Deferred acquisition costs

     —     —     2,590.0     —     2,590.0  

Property and equipment

     —     —     464.2     —     464.2  

Goodwill

     —     —     543.4     —     543.4  

Other intangibles

     —     —     914.7     —     914.7  

Separate account assets

     —     —     81,653.8     —     81,653.8  

Other assets

     78.0     51.0     1,003.5     (125.7 )   1,006.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total assets

   $ 12,160.1   $ 12,457.3   $ 162,943.3   $ (25,730.5 ) $ 161,830.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Liabilities

                                

Contractholder funds

   $ —   $ —   $ 37,786.5   $ —   $ 37,786.5  

Future policy benefits and claims

     —     —     22,436.2     —     22,436.2  

Other policyholder funds

     —     —     716.4     —     716.4  

Short-term debt

     —     —     2,564.1     (2,523.3 )   40.8  

Long-term debt

     2,448.6     —     222.7     —     2,671.3  

Income taxes currently payable

     —     0.1     47.2     (32.0 )   15.3  

Deferred income taxes

     —     —     686.1     (86.1 )   600.0  

Separate account liabilities

     —     —     81,653.8     —     81,653.8  

Other liabilities

     28.1     603.9     6,117.8     (603.7 )   6,146.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities

     2,476.7     604.0     152,230.8     (3,245.1 )   152,066.4  

Redeemable noncontrolling interest

    
—		    
—		    
60.4		    
—		    
60.4		  

Stockholders' equity

    
 		    
 		    
 		    
 		    
 		  

Series A preferred stock

     —     —     —     —     —  

Series B preferred stock

     0.1     —     —     —     0.1  

Common stock

     4.5     —     17.8     (17.8 )   4.5  

Additional paid-in capital

     9,730.9     9,393.8     8,287.7     (17,681.5 )   9,730.9  

Retained earnings

     4,862.0     1,783.4     1,666.7     (3,450.1 )   4,862.0  

Accumulated other comprehensive income

     640.3     676.1     661.9     (1,338.0 )   640.3  

Treasury stock, at cost

     (5,554.4 )   —     (2.0 )   2.0     (5,554.4 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity attributable to PFG

     9,683.4     11,853.3     10,632.1     (22,485.4 )   9,683.4  

Noncontrolling interest

     —     —     20.0     —     20.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total stockholders' equity

     9,683.4     11,853.3     10,652.1     (22,485.4 )   9,703.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total liabilities and stockholders' equity

   $ 12,160.1   $ 12,457.3   $ 162,943.3   $ (25,730.5 ) $ 161,830.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Operations
For the year ended December 31, 2013

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance
Company and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Revenues

                                

Premiums and other considerations

   $ —   $ —   $ 3,154.1   $ —   $ 3,154.1  

Fees and other revenues

     —     1.0     3,250.2     (29.0 )   3,222.2  

Net investment income

     0.4     1.3     3,136.5     0.2     3,138.4  

Net realized capital gains (losses), excluding impairment losses on available-for-sale securities

     6.3     4.6     (120.1 )   —     (109.2 )

Total other-than-temporary impairment losses on available-for-sale securities

     —     —     (91.5 )   —     (91.5 )

Other-than-temporary impairment losses on fixed maturities, available-for-sale reclassified from other comprehensive income

     —     —     (24.5 )   —     (24.5 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net impairment losses on available-for-sale securities

     —     —     (116.0 )   —     (116.0 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net realized capital gains (losses)

     6.3     4.6     (236.1 )   —     (225.2 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total revenues

     6.7     6.9     9,304.7     (28.8 )   9,289.5  

Expenses

                                

Benefits, claims and settlement expenses

     —     —     4,683.6     —     4,683.6  

Dividends to policyholders

     —     —     189.0     —     189.0  

Operating expenses

     140.5     9.0     3,172.2     (28.8 )   3,292.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total expenses

     140.5     9.0     8,044.8     (28.8 )   8,165.5  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Income (loss) before income taxes

     (133.8 )   (2.1 )   1,259.9     —     1,124.0  

Income taxes (benefits)

     (54.0 )   (2.9 )   244.8     —     187.9  

Equity in the net income of subsidiaries

     992.5     991.7     —     (1,984.2 )   —  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income

     912.7     992.5     1,015.1     (1,984.2 )   936.1  

Net income attributable to noncontrolling interest

     —     —     23.4     —     23.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income attributable to PFG

     912.7     992.5     991.7     (1,984.2 )   912.7  

Preferred stock dividends

     33.0     —     —     —     33.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income available to common stockholders

   $ 879.7   $ 992.5   $ 991.7   $ (1,984.2 ) $ 879.7  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Net income

   $ 912.7   $ 992.5   $ 1,015.1   $ (1,984.2 ) $ 936.1  

Other comprehensive loss

     (450.1 )   (476.4 )   (489.3 )   943.9     (471.9 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Comprehensive income

   $ 462.6   $ 516.1   $ 525.8   $ (1,040.3 ) $ 464.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Operations
For the year ended December 31, 2012

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance
Company and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Revenues

                                

Premiums and other considerations

   $ —   $ —   $ 3,219.4   $ —   $ 3,219.4  

Fees and other revenues

     0.5     —     2,627.3     (1.1 )   2,626.7  

Net investment income

     3.0     0.4     3,250.8     0.7     3,254.9  

Net realized capital gains, excluding impairment losses on available-for-sale securities

     0.3     3.0     229.6     (0.2 )   232.7  

Total other-than-temporary impairment losses on available-for-sale securities

     —     —     (135.9 )   —     (135.9 )

Other-than-temporary impairment losses on fixed maturities, available-for-sale reclassified to other comprehensive income

     —     —     17.3     —     17.3  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net impairment losses on available-for-sale securities

     —     —     (118.6 )   —     (118.6 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net realized capital gains

     0.3     3.0     111.0     (0.2 )   114.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total revenues

     3.8     3.4     9,208.5     (0.6 )   9,215.1  

Expenses

                                

Benefits, claims and settlement expenses

     —     —     5,123.9     —     5,123.9  

Dividends to policyholders

     —     —     197.7     —     197.7  

Operating expenses

     170.2     9.3     2,754.6     (0.6 )   2,933.5  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total expenses

     170.2     9.3     8,076.2     (0.6 )   8,255.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Income (loss) before income taxes

     (166.4 )   (5.9 )   1,132.3     —     960.0  

Income taxes (benefits)

     (67.6 )   (6.9 )   209.1     —     134.6  

Equity in the net income of subsidiaries

     905.4     904.4     —     (1,809.8 )   —  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income

     806.6     905.4     923.2     (1,809.8 )   825.4  

Net income attributable to noncontrolling interest

     —     —     18.8     —     18.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income attributable to PFG

     806.6     905.4     904.4     (1,809.8 )   806.6  

Preferred stock dividends

     33.0     —     —     —     33.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income available to common stockholders

   $ 773.6   $ 905.4   $ 904.4   $ (1,809.8 ) $ 773.6  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Net income

   $ 806.6   $ 905.4   $ 923.2   $ (1,809.8 ) $ 825.4  

Other comprehensive income

     321.2     366.3     353.7     (671.1 )   370.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Comprehensive income

   $ 1,127.8   $ 1,271.7   $ 1,276.9   $ (2,480.9 ) $ 1,195.5  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Operations
For the year ended December 31, 2011

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance
Company and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Revenues

                                

Premiums and other considerations

   $ —   $ —   $ 2,891.0   $ —   $ 2,891.0  

Fees and other revenues

     0.2     —     2,529.5     (3.0 )   2,526.7  

Net investment income (loss)

     (12.0 )   (3.2 )   3,387.5     3.0     3,375.3  

Net realized capital gains (losses), excluding impairment losses on available-for-sale securities

     —     (0.1 )   75.1     —     75.0  

Total other-than-temporary impairment losses on available-for-sale securities

     —     —     (147.6 )   —     (147.6 )

Other-than-temporary impairment losses on fixed maturities, available-for-sale reclassified from other comprehensive income

     —     —     (49.7 )   —     (49.7 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net impairment losses on available-for-sale securities

     —     —     (197.3 )   —     (197.3 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net realized capital losses

     —     (0.1 )   (122.2 )   —     (122.3 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total revenues

     (11.8 )   (3.3 )   8,685.8     —     8,670.7  

Expenses

                                

Benefits, claims and settlement expenses

     —     —     4,616.6     —     4,616.6  

Dividends to policyholders

     —     —     210.2     —     210.2  

Operating expenses

     116.0     1.7     2,853.4     —     2,971.1  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total expenses

     116.0     1.7     7,680.2     —     7,797.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Income (loss) before income taxes

     (127.8 )   (5.0 )   1,005.6     —     872.8  

Income taxes (benefits)

     (50.4 )   (9.9 )   258.6     —     198.3  

Equity in the net income of subsidiaries

     715.7     710.8     —     (1,426.5 )   —  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income

     638.3     715.7     747.0     (1,426.5 )   674.5  

Net income attributable to noncontrolling interest

     —     —     36.2     —     36.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income attributable to PFG

     638.3     715.7     710.8     (1,426.5 )   638.3  

Preferred stock dividends

     33.0     —     —     —     33.0  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net income available to common stockholders

   $ 605.3   $ 715.7   $ 710.8   $ (1,426.5 ) $ 605.3  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Net income

   $ 638.3   $ 715.7   $ 747.0   $ (1,426.5 ) $ 674.5  

Other comprehensive loss

     (34.5 )   (44.0 )   (51.1 )   89.0     (40.6 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Comprehensive income

   $ 603.8   $ 671.7   $ 695.9   $ (1,337.5 ) $ 633.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Cash Flows
For the year ended December 31, 2013

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance
Company and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Operating activities

                                

Net cash provided by (used in) operating activities

   $ (42.8 ) $ 1,019.0   $ 2,340.2   $ (1,095.2 ) $ 2,221.2  

Investing activities

                                

Available-for-sale securities:

                                

Purchases

     —     —     (9,025.2 )   —     (9,025.2 )

Sales

     —     —     1,919.1     —     1,919.1  

Maturities

     —     —     7,359.2     —     7,359.2  

Mortgage loans acquired or originated

     —     —     (2,192.9 )   —     (2,192.9 )

Mortgage loans sold or repaid

     —     —     2,095.1     —     2,095.1  

Real estate acquired

     —     —     (85.6 )   —     (85.6 )

Net purchases of property and equipment

     —     —     (59.4 )   —     (59.4 )

Purchases of interests in subsidiaries, net of cash acquired

     —     —     (1,268.3 )   —     (1,268.3 )

Dividends and returns of capital received from (contributions to) unconsolidated entities

     319.5     (594.6 )   —     275.1     —  

Net change in other investments

     (3.1 )   (28.7 )   63.5     —     31.7  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) investing activities

     316.4     (623.3 )   (1,194.5 )   275.1     (1,226.3 )

Financing activities

                                

Issuance of common stock

     125.8     —     —     —     125.8  

Acquisition of treasury stock

     (153.6 )   —     —     —     (153.6 )

Proceeds from financing element derivatives

     —     —     47.0     —     47.0  

Payments for financing element derivatives

     —     —     (48.0 )   —     (48.0 )

Excess tax benefits from share-based payment arrangements

     —     —     10.1     —     10.1  

Purchase of subsidiary shares from noncontrolling interest

     —     —     (52.9 )   —     (52.9 )

Sale of subsidiary shares to noncontrolling interest

     —     —     31.8     —     31.8  

Dividends to common stockholders

     (288.4 )   —     —     —     (288.4 )

Dividends to preferred stockholders

     (33.0 )   —     —     —     (33.0 )

Issuance of long-term debt

     —     —     1,122.5     (1,084.3 )   38.2  

Principal repayments of long-term debt

     —     —     (218.2 )   —     (218.2 )

Net proceeds from (repayments of) short-term borrowings

     —     —     (2,122.8 )   2,230.8     108.0  

Capital received from (dividends and capital paid to) parent

     —     (319.5 )   594.6     (275.1 )   —  

Investment contract deposits

     —     —     6,716.3     —     6,716.3  

Investment contract withdrawals

     —     —     (8,852.7 )   —     (8,852.7 )

Net decrease in banking operation deposits

     —     —     (225.7 )   —     (225.7 )

Other

     —     —     (5.0 )   —     (5.0 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash used in financing activities

     (349.2 )   (319.5 )   (3,003.0 )   871.4     (2,800.3 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net increase (decrease) in cash and cash equivalents

     (75.6 )   76.2     (1,857.3 )   51.3     (1,805.4 )

Cash and cash equivalents at beginning of period

     207.1     612.5     4,241.3     (883.7 )   4,177.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Cash and cash equivalents at end of period

   $ 131.5   $ 688.7   $ 2,384.0   $ (832.4 ) $ 2,371.8  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Cash Flows
For the year ended December 31, 2012

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance
Company and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Operating activities

                                

Net cash provided by (used in) operating activities

   $ 204.8   $ (1,145.0 ) $ 1,762.0   $ 2,259.0   $ 3,080.8  

Investing activities

                                

Available-for-sale securities:

                                

Purchases

     —     —     (8,263.9 )   —     (8,263.9 )

Sales

     —     —     1,303.7     —     1,303.7  

Maturities

     —     —     6,647.5     —     6,647.5  

Mortgage loans acquired or originated

     —     —     (2,538.4 )   —     (2,538.4 )

Mortgage loans sold or repaid

     —     —     1,668.0     —     1,668.0  

Real estate acquired

     —     —     (151.8 )   —     (151.8 )

Net purchases of property and equipment

     —     —     (38.9 )   —     (38.9 )

Purchases of interests in subsidiaries, net of cash acquired

     —     —     (80.4 )   —     (80.4 )

Dividends and returns of capital received from (contributions to) unconsolidated entities

     (759.2 )   381.0     —     378.2     —  

Net change in other investments

     (0.2 )   (35.1 )   (121.8 )   —     (157.1 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) investing activities

     (759.4 )   345.9     (1,576.0 )   378.2     (1,611.3 )

Financing activities

                                

Issuance of common stock

     28.9     —     —     —     28.9  

Acquisition of treasury stock

     (272.7 )   —     —     —     (272.7 )

Proceeds from financing element derivatives

     —     —     51.8     —     51.8  

Payments for financing element derivatives

     —     —     (49.9 )   —     (49.9 )

Excess tax benefits from share-based payment arrangements

     —     —     10.8     —     10.8  

Dividends to common stockholders

     (231.3 )   —     —     —     (231.3 )

Dividends to preferred stockholders

     (33.0 )   —     —     —     (33.0 )

Issuance of long-term debt

     1,483.9     —     9.5     —     1,493.4  

Principal repayments of long-term debt

     (440.8 )   —     (9.8 )   —     (450.6 )

Net proceeds from (repayments of) short-term borrowings

     —     (50.0 )   2,240.8     (2,259.6 )   (68.8 )

Capital received from (dividends and capital paid to) parent

     —     759.2     (381.0 )   (378.2 )   —  

Investment contract deposits

     —     —     6,900.4     —     6,900.4  

Investment contract withdrawals

     —     —     (7,522.6 )   —     (7,522.6 )

Net increase in banking operation deposits

     —     —     32.0     —     32.0  

Other

     —     —     (14.6 )   —     (14.6 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) financing activities

     535.0     709.2     1,267.4     (2,637.8 )   (126.2 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net increase (decrease) in cash and cash equivalents

     (19.6 )   (89.9 )   1,453.4     (0.6 )   1,343.3  

Cash and cash equivalents at beginning of period

     226.7     702.4     2,787.9     (883.1 )   2,833.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Cash and cash equivalents at end of period

   $ 207.1   $ 612.5   $ 4,241.3   $ (883.7 ) $ 4,177.2  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Condensed Consolidating Statements of Cash Flows
For the year ended December 31, 2011

 
   Principal
Financial
Group, Inc.
Parent Only		   Principal
Financial
Services, Inc.
Only		   Principal Life
Insurance
Company and
Other Subsidiaries
Combined		   Eliminations   Principal
Financial
Group, Inc.
Consolidated		  
 
   (in millions)
  

Operating activities

                                

Net cash provided by (used in) operating activities

   $ (73.3 ) $ 70.5   $ 2,795.0   $ (78.9 ) $ 2,713.3  

Investing activities

                                

Available-for-sale securities:

                                

Purchases

     (4.4 )   —     (6,738.0 )   —     (6,742.4 )

Sales

     200.0     —     780.7     —     980.7  

Maturities

     4.4     —     5,756.4     —     5,760.8  

Mortgage loans acquired or originated

     —     —     (1,484.9 )   —     (1,484.9 )

Mortgage loans sold or repaid

     —     —     1,793.1     —     1,793.1  

Real estate acquired

     —     —     (129.9 )   —     (129.9 )

Net purchases of property and equipment

     —     —     (56.9 )   —     (56.9 )

Purchases of interests in subsidiaries, net of cash acquired

     —     —     (270.5 )   —     (270.5 )

Dividends and returns of capital received from unconsolidated entities

     506.5     624.1     —     (1,130.6 )   —  

Net change in other investments

     (0.2 )   (5.4 )   (46.5 )   —     (52.1 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash provided by (used in) investing activities

     706.3     618.7     (396.5 )   (1,130.6 )   (202.1 )

Financing activities

                                

Issuance of common stock

     25.9     —     —     —     25.9  

Acquisition of treasury stock

     (556.4 )   —     —     —     (556.4 )

Proceeds from financing element derivatives

     —     —     75.9     —     75.9  

Payments for financing element derivatives

     —     —     (46.5 )   —     (46.5 )

Excess tax benefits from share-based payment arrangements

     —     —     2.0     —     2.0  

Dividends to common stockholders

     (213.7 )   —     —     —     (213.7 )

Dividends to preferred stockholders

     (33.0 )   —     —     —     (33.0 )

Principal repayments of long-term debt

     —     —     (12.2 )   —     (12.2 )

Net proceeds from (repayments of) short-term borrowings

     —     —     (27.5 )   30.7     3.2  

Dividends and capital paid to parent

     —     (506.5 )   (624.1 )   1,130.6     —  

Investment contract deposits

     —     —     6,302.1     —     6,302.1  

Investment contract withdrawals

     —     —     (7,079.0 )   —     (7,079.0 )

Net decrease in banking operation deposits

     —     —     (18.5 )   —     (18.5 )

Other

     —     —     (4.5 )   —     (4.5 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net cash used in financing activities

     (777.2 )   (506.5 )   (1,432.3 )   1,161.3     (1,554.7 )
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net increase (decrease) in cash and cash equivalents

     (144.2 )   182.7     966.2     (48.2 )   956.5  

Cash and cash equivalents at beginning of period

     370.9     519.7     1,821.7     (834.9 )   1,877.4  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Cash and cash equivalents at end of period

   $ 226.7   $ 702.4   $ 2,787.9   $ (883.1 ) $ 2,833.9  
                       
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​