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Pay vs Performance Disclosure
2 Months Ended 10 Months Ended 12 Months Ended
Dec. 31, 2022
Oct. 31, 2022
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
$ / shares
Pay vs Performance Disclosure [Table]          
Pay vs Performance [Table Text Block]    

Pay versus Performance

The following table sets forth information regarding the Company’s performance and the Compensation Actually Paid (“CAP”) to the NEOs as calculated in accordance with Item 402 (v) of Regulation S-K.

Pay Versus Performance (PVP) Table

                                        Value of Initial Fixed
$100 Investment
Based on:
           
Year   SCT Total 1st
PEO1
  SCT Total
2nd PEO2
  CAP 1st
PEO3
  CAP 2nd
PEO4
  Avg SCT
Total
Non-PEO
NEOs5
  Avg CAP
Non-PEO
NEOs6
  TSR7   Peer
Group
TSR8
  Net
Income9
  ETR Tax Adjusted EPS10
(a)   (b)     (b)     (c)     (c)     (d)     (e)     (f)     (g)     (h)     (i)  
2022   $ 13,207,355
    $ 6,861,760
    $ 17,642,076
    $ 8,580,147
    $ 3,751,745
    $ 4,877,536
    $ 104.64
    $ 122.25
    $ 1,103,166
    $ 6.58
 
2021   $ 17,045,744
      N/A     $ 26,597,239
      N/A     $ 4,221,128
    $ 5,009,362
    $ 101.07
    $ 121.46
    $ 1,118,492
    $ 6.22
 
2020   $ 16,198,597
      N/A     $ 10,573,045
      N/A     $ 5,115,873
    $ 2,828,875
    $ 86.29
    $ 102.72
    $ 1,388,334
    $ 6.90
 


1 The amounts reported in this first column (b) are the same amounts reported in column (j) of the 2022 Summary Compensation Table (SCT) for Mr. Denault, who served as our PEO for the entirety of 2020 and 2021 and during 2022 until his retirement as our Chief Executive Officer on November 1, 2022.
2 The amount reported in this second column (b) for 2022 is the same amount reported in column (j) of the 2022 Summary Compensation Table for Mr. Marsh, who became our PEO in 2022 upon his appointment as our Chief Executive Officer effective November 1, 2022. For 2021 and 2020, Mr. Marsh’s SCT Totals are included in column (d).
3 The amounts reported in this first column (c) represent the total compensation actually paid to Mr. Denault, as calculated in accordance with SEC disclosure rules, for each of the prior three completed fiscal years. Compensation actually paid does not mean that Mr. Denault was actually paid those amounts in the listed year, but this is a dollar amount derived from the SCT amount in the first column (b), adjusted by certain changes in equity award and pension plan values, as follows:

Adjustments to Determine CAP for Mr. Denault   2022     2021     2020  
Summary Compensation Table Total      $ 13,207,355
       $ 17,045,744
    $ 16,198,597
 
Deduction for Change in Actuarial Present Value reported under the “Change in Pension Value and Non-qualified Deferred Compensation Earnings” Column of the SCT   $
    ($ 4,178,300)        ($ 4,416,700)  
Increase for “Service Cost” for Pension Plans   $ 38,700
    $ 13,600
    $ 16,500
 
Increase for “Prior Service Cost” for Pension Plans (Due to Plan Amendment/Modification)   $
    $ 8,858,200
    $
 
Deduction for the Equity Awards Grant Date Fair Value reported under the “Stock Awards” and “Option Awards” Column in the SCT   ($ 9,164,589)     ($ 8,986,053)     ($ 8,067,003)  
Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End   $ 10,171,229
    $ 12,040,411
    $ 4,710,314
 
Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years   $ 1,965,462
    $ 696,285
    ($ 7,838,641)  
Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year    
     
     
 
Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year   $ 1,423,919
    $ 1,107,352
    $ 9,969,978
 
Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year    
     
     
 
Calculated CAP   $ 17,642,076
    $ 26,597,239
    $ 10,573,045
 
4 The amount reported in this second column (c) represents the total compensation actually paid, as calculated in accordance with SEC disclosure rules, to Mr. Marsh for 2022, the year in which he was appointed as our Chief Executive Officer. The compensation actually paid for Mr. Marsh for 2021 and 2020 are included in column (e) for the average of the other NEOs. Compensation actually paid does not mean that Mr. Marsh was actually paid those amounts in the listed year, but this is a dollar amount derived from the SCT amount in the second column (b), adjusted by certain changes in equity award and pension plan values, as follows:

Adjustments to Determine CAP for Mr. Marsh   2022  
Summary Compensation Table Total      $ 6,861,760
 
Deduction for Change in Actuarial Present Value reported under the “Change in Pension Value and Non-qualified Deferred Compensation Earnings” Column of the SCT
  $
 
Increase for “Service Cost” for Pension Plans   $ 174,000
 
Increase for “Prior Service Cost” for Pension Plans   $
 
Deduction for the Equity Awards Grant Date Fair Value reported under the “Stock Awards” and “Option Awards” Column in the SCT   ($ 5,012,940)  
Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End   $ 4,233,694
 
Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years   $ 1,906,258
 
Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year    
 
Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year   $ 417,375
 
Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year    
 
Calculated CAP   $ 8,580,147
 

5 The amounts reported in this column (d) represent the average of amounts reported in column (j) of the 2022 Summary Compensation Table for our Non-PEO NEOs, inclusive of Mr. Marsh for 2020 and 2021. The names of the non-PEO NEOs included in the average for each year are listed in the table below.

2022 2021 2020
Kimberly A. Fontan Andrew S. Marsh Andrew S. Marsh
A. Christopher Bakken, III Marcus V. Brown A. Christopher Bakken, III
Marcus V. Brown Paul D. Hinnenkamp Marcus V. Brown
Roderick K. West Roderick K. West Roderick K. West

6 The amounts reported in this column (e) represent the average compensation actually paid, as calculated in accordance with SEC disclosure rules, to the Non-PEO NEOs for the prior three completed fiscal years, inclusive of Mr. Marsh for 2021 and 2020. Compensation actually paid does not mean that our NEOs were actually paid those amounts in the listed year, but this is a dollar amount derived from the SCT amount in column (d), adjusted by certain changes in equity award and pension plan values, as follows:
Adjustments to Determine the Average CAP for Non-PEO NEOs   2022   2021   2020
Summary Compensation Table Total   $ 3,751,745
    $ 4,221,128
    $ 5,115,873
 
Deduction for Change in Actuarial Present Value reported under the “Change in Pension Value and Non-qualified Deferred Compensation Earnings” Column of the SCT    ($ 266,225)      ($ 409,275)      ($ 1,472,875)  
Increase for “Service Cost” for Pension Plans   $ 130,125
    $ 186,625
    $ 130,750
 
Increase for “Prior Service Cost” for Pension Plans (Due to Plan Amendment/Modification)   $ 466,725
    $
    $
 
Deduction for the Equity Awards Grant Date Fair Value reported under the “Stock Awards” and “Option Awards” Column in the SCT   ($ 2,044,130)     ($ 2,198,699)     ($ 2,147,575)  
Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End   $ 2,144,852
    $ 2,839,140
    $ 1,253,979
 
Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years   $ 393,775
    $ 185,876
    ($ 1,850,528)  
Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year    
     
     
 
Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year   $ 300,669
    $ 184,567
    $ 1,799,251
 
Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year    
     
     
 
Calculated CAP   $ 4,877,536
    $ 5,009,362
    $ 2,828,875
 

7 The amounts reported in this column (f) represent the Company’s total shareholder return (TSR) for the prior three completed fiscal years. The calculation for each year is based on a fixed investment of $100 as of December 31, 2019 through the end of each applicable year in the table, assuming reinvestment of dividends. Historic stock price performance is not necessarily indicative of future stock price performance.

8 This column (g) reports the average TSR of our peer companies in the Philadelphia Utility Index, the same index that the Company uses in its Annual Report. The same methodology was used in calculating the Company’s TSR and that of the Philadelphia Utility Index, with the calculation for each year based on a fixed investment of $100 as of December 31, 2019, assuming reinvestment of dividends.

9 This column (h) reports the Company’s net income for the prior three completed fiscal years.

10 The information reported in column (i) reports ETR Tax Adjusted EPS, our Company Selected Measure (CSM), for the prior three completed fiscal years. We have designated ETR Tax Adjusted EPS as our CSM as we believe it represents our most important financial measure (aside from TSR) used to link compensation actually paid to the Company’s NEOs to Company performance for the most recently completed fiscal year. See Appendix A for the reconciliation of ETR Tax Adjusted EPS to GAAP results.
   
Company Selected Measure Name     ETR Tax Adjusted EPS    
Named Executive Officers, Footnote [Text Block]    

5 The amounts reported in this column (d) represent the average of amounts reported in column (j) of the 2022 Summary Compensation Table for our Non-PEO NEOs, inclusive of Mr. Marsh for 2020 and 2021. The names of the non-PEO NEOs included in the average for each year are listed in the table below.

2022 2021 2020
Kimberly A. Fontan Andrew S. Marsh Andrew S. Marsh
A. Christopher Bakken, III Marcus V. Brown A. Christopher Bakken, III
Marcus V. Brown Paul D. Hinnenkamp Marcus V. Brown
Roderick K. West Roderick K. West Roderick K. West
   
Peer Group Issuers, Footnote [Text Block]    

8 This column (g) reports the average TSR of our peer companies in the Philadelphia Utility Index, the same index that the Company uses in its Annual Report. The same methodology was used in calculating the Company’s TSR and that of the Philadelphia Utility Index, with the calculation for each year based on a fixed investment of $100 as of December 31, 2019, assuming reinvestment of dividends.
   
Adjustment To PEO Compensation, Footnote [Text Block]    
3 The amounts reported in this first column (c) represent the total compensation actually paid to Mr. Denault, as calculated in accordance with SEC disclosure rules, for each of the prior three completed fiscal years. Compensation actually paid does not mean that Mr. Denault was actually paid those amounts in the listed year, but this is a dollar amount derived from the SCT amount in the first column (b), adjusted by certain changes in equity award and pension plan values, as follows:

Adjustments to Determine CAP for Mr. Denault   2022     2021     2020  
Summary Compensation Table Total      $ 13,207,355
       $ 17,045,744
    $ 16,198,597
 
Deduction for Change in Actuarial Present Value reported under the “Change in Pension Value and Non-qualified Deferred Compensation Earnings” Column of the SCT   $
    ($ 4,178,300)        ($ 4,416,700)  
Increase for “Service Cost” for Pension Plans   $ 38,700
    $ 13,600
    $ 16,500
 
Increase for “Prior Service Cost” for Pension Plans (Due to Plan Amendment/Modification)   $
    $ 8,858,200
    $
 
Deduction for the Equity Awards Grant Date Fair Value reported under the “Stock Awards” and “Option Awards” Column in the SCT   ($ 9,164,589)     ($ 8,986,053)     ($ 8,067,003)  
Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End   $ 10,171,229
    $ 12,040,411
    $ 4,710,314
 
Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years   $ 1,965,462
    $ 696,285
    ($ 7,838,641)  
Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year    
     
     
 
Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year   $ 1,423,919
    $ 1,107,352
    $ 9,969,978
 
Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year    
     
     
 
Calculated CAP   $ 17,642,076
    $ 26,597,239
    $ 10,573,045
 
4 The amount reported in this second column (c) represents the total compensation actually paid, as calculated in accordance with SEC disclosure rules, to Mr. Marsh for 2022, the year in which he was appointed as our Chief Executive Officer. The compensation actually paid for Mr. Marsh for 2021 and 2020 are included in column (e) for the average of the other NEOs. Compensation actually paid does not mean that Mr. Marsh was actually paid those amounts in the listed year, but this is a dollar amount derived from the SCT amount in the second column (b), adjusted by certain changes in equity award and pension plan values, as follows:

Adjustments to Determine CAP for Mr. Marsh   2022  
Summary Compensation Table Total      $ 6,861,760
 
Deduction for Change in Actuarial Present Value reported under the “Change in Pension Value and Non-qualified Deferred Compensation Earnings” Column of the SCT
  $
 
Increase for “Service Cost” for Pension Plans   $ 174,000
 
Increase for “Prior Service Cost” for Pension Plans   $
 
Deduction for the Equity Awards Grant Date Fair Value reported under the “Stock Awards” and “Option Awards” Column in the SCT   ($ 5,012,940)  
Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End   $ 4,233,694
 
Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years   $ 1,906,258
 
Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year    
 
Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year   $ 417,375
 
Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year    
 
Calculated CAP   $ 8,580,147
 
   
Non-PEO NEO Average Total Compensation Amount     $ 3,751,745 $ 4,221,128 $ 5,115,873
Non-PEO NEO Average Compensation Actually Paid Amount     $ 4,877,536 5,009,362 2,828,875
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]    

6 The amounts reported in this column (e) represent the average compensation actually paid, as calculated in accordance with SEC disclosure rules, to the Non-PEO NEOs for the prior three completed fiscal years, inclusive of Mr. Marsh for 2021 and 2020. Compensation actually paid does not mean that our NEOs were actually paid those amounts in the listed year, but this is a dollar amount derived from the SCT amount in column (d), adjusted by certain changes in equity award and pension plan values, as follows:
Adjustments to Determine the Average CAP for Non-PEO NEOs   2022   2021   2020
Summary Compensation Table Total   $ 3,751,745
    $ 4,221,128
    $ 5,115,873
 
Deduction for Change in Actuarial Present Value reported under the “Change in Pension Value and Non-qualified Deferred Compensation Earnings” Column of the SCT    ($ 266,225)      ($ 409,275)      ($ 1,472,875)  
Increase for “Service Cost” for Pension Plans   $ 130,125
    $ 186,625
    $ 130,750
 
Increase for “Prior Service Cost” for Pension Plans (Due to Plan Amendment/Modification)   $ 466,725
    $
    $
 
Deduction for the Equity Awards Grant Date Fair Value reported under the “Stock Awards” and “Option Awards” Column in the SCT   ($ 2,044,130)     ($ 2,198,699)     ($ 2,147,575)  
Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End   $ 2,144,852
    $ 2,839,140
    $ 1,253,979
 
Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years   $ 393,775
    $ 185,876
    ($ 1,850,528)  
Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year    
     
     
 
Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year   $ 300,669
    $ 184,567
    $ 1,799,251
 
Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year    
     
     
 
Calculated CAP   $ 4,877,536
    $ 5,009,362
    $ 2,828,875
 
   
Compensation Actually Paid vs. Total Shareholder Return [Text Block]    

Relationship Between Pay and Performance

The relationship over each of the years reported in the PVP Table between the compensation actually paid (CAP) to the PEOs and the average CAP to the non-PEO NEOs (columns (c) and (e) of the PVP Table) to each of the metrics set forth in columns (f), (g), (h) and (i) of the PVP Table is illustrated as follows:

PEO and Average Other NEO CAP versus the Company’s Cumulative TSR

The chart below illustrates the relationship between the CAP amounts for the NEOs to the Company’s TSR as well as the TSR of the Company as compared to the Philadelphia Utility Index.

CAP versus The Company’s Cumulative TSR and
Philadelphia Utility Index Cumulative TSR


   
Total Shareholder Return Vs Peer Group [Text Block]    

Relationship Between Pay and Performance

The relationship over each of the years reported in the PVP Table between the compensation actually paid (CAP) to the PEOs and the average CAP to the non-PEO NEOs (columns (c) and (e) of the PVP Table) to each of the metrics set forth in columns (f), (g), (h) and (i) of the PVP Table is illustrated as follows:

PEO and Average Other NEO CAP versus the Company’s Cumulative TSR

The chart below illustrates the relationship between the CAP amounts for the NEOs to the Company’s TSR as well as the TSR of the Company as compared to the Philadelphia Utility Index.

CAP versus The Company’s Cumulative TSR and
Philadelphia Utility Index Cumulative TSR


   
Compensation Actually Paid vs. Net Income [Text Block]    

Relationship Between Pay and Performance

The relationship over each of the years reported in the PVP Table between the compensation actually paid (CAP) to the PEOs and the average CAP to the non-PEO NEOs (columns (c) and (e) of the PVP Table) to each of the metrics set forth in columns (f), (g), (h) and (i) of the PVP Table is illustrated as follows:

PEO and Average Other NEO CAP versus the Company’s Net Income

The chart below illustrates the relationship between the CAP amounts for the NEOs to the Company’s GAAP net income.

CAP versus Net Income


   
Compensation Actually Paid vs. Company Selected Measure [Text Block]    

Relationship Between Pay and Performance

The relationship over each of the years reported in the PVP Table between the compensation actually paid (CAP) to the PEOs and the average CAP to the non-PEO NEOs (columns (c) and (e) of the PVP Table) to each of the metrics set forth in columns (f), (g), (h) and (i) of the PVP Table is illustrated as follows:

PEO and Average Other NEO CAP versus ETR Tax Adjusted EPS (CSM)

The chart below illustrates the relationship between the CAP amounts for the NEOs to the CSM, ETR Tax Adjusted EPS.

CAP versus ETR Tax Adjusted EPS (CSM)


   
Tabular List [Table Text Block]    

Performance Measures Used to Link Company Performance and Compensation Actually Paid to the NEOs

The following is a list of performance measures, which in our assessment represent the most important performance measures used by the Company to link compensation actually paid to the NEOs for 2022 and is inclusive of our CSM, ETR Tax Adjusted EPS, set forth in column (j) of the PVP Table. As described in the CD&A, we supplement our financial performance measures with ESG goals relating to Safety, DIB, Environmental Stewardship, and Customer NPS to demonstrate Entergy’s strong commitment to its ESG goals and to more directly link executive compensation to successful execution on our strategies to achieve those objectives. Please see the “CD&A” for a further description of the financial metrics listed below as well as the ESG metrics used in the Company’s 2022 executive compensation program.

  ETR Tax Adjusted EPS
  Adjusted FFO / Debt Ratio
  Relative Total Shareholder Return
   
Total Shareholder Return Amount     $ 104.64 101.07 86.29
Peer Group Total Shareholder Return Amount     122.25 121.46 102.72
Net Income (Loss)     $ 1,103,166,000 $ 1,118,492,000 $ 1,388,334,000
Company Selected Measure Amount | $ / shares     6.58 6.22 6.9
PEO Name Mr. Marsh Mr. Denault   Mr. Denault Mr. Denault
Measure [Axis]: 1          
Pay vs Performance Disclosure [Table]          
Measure Name     ETR Tax Adjusted EPS    
Non-GAAP Measure Description [Text Block]    

10 The information reported in column (i) reports ETR Tax Adjusted EPS, our Company Selected Measure (CSM), for the prior three completed fiscal years. We have designated ETR Tax Adjusted EPS as our CSM as we believe it represents our most important financial measure (aside from TSR) used to link compensation actually paid to the Company’s NEOs to Company performance for the most recently completed fiscal year. See Appendix A for the reconciliation of ETR Tax Adjusted EPS to GAAP results.
   
Measure [Axis]: 2          
Pay vs Performance Disclosure [Table]          
Measure Name     Adjusted FFO / Debt Ratio    
Measure [Axis]: 3          
Pay vs Performance Disclosure [Table]          
Measure Name     Relative Total Shareholder Return    
Mr. Denault [Member]          
Pay vs Performance Disclosure [Table]          
PEO Total Compensation Amount     $ 13,207,355 $ 17,045,744 $ 16,198,597
PEO Actually Paid Compensation Amount     17,642,076 26,597,239 10,573,045
Mr. Marsh [Member]          
Pay vs Performance Disclosure [Table]          
PEO Total Compensation Amount     6,861,760    
PEO Actually Paid Compensation Amount     8,580,147    
PEO [Member] | Mr. Denault [Member] | Adjustment for Deduction for Change in Actuarial Present Value reported under the "Change in Pension Value and Non-qualified Deferred Compensation Earnings" [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0 (4,178,300) (4,416,700)
PEO [Member] | Mr. Denault [Member] | Adjustment for Increase for "Service Cost" for Pension Plans [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     38,700 13,600 16,500
PEO [Member] | Mr. Denault [Member] | Adjustment for Increase for "Prior Service Cost" for Pension Plans (Due to Plan Amendment/Modification) [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0 8,858,200 0
PEO [Member] | Mr. Denault [Member] | Adjustment for Deduction for the Equity Awards Grant Date Fair Value Reported Under the "Stock Awards" and "Option Awards" [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     (9,164,589) (8,986,053) (8,067,003)
PEO [Member] | Mr. Denault [Member] | Adjustment for Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     10,171,229 12,040,411 4,710,314
PEO [Member] | Mr. Denault [Member] | Adjustment for Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     1,965,462 696,285 (7,838,641)
PEO [Member] | Mr. Denault [Member] | Adjustment for Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0 0 0
PEO [Member] | Mr. Denault [Member] | Adjustment for Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     1,423,919 1,107,352 9,969,978
PEO [Member] | Mr. Denault [Member] | Adjustment for Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0 0 0
PEO [Member] | Mr. Marsh [Member] | Adjustment for Deduction for Change in Actuarial Present Value reported under the "Change in Pension Value and Non-qualified Deferred Compensation Earnings" [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Increase for "Service Cost" for Pension Plans [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     174,000    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Increase for "Prior Service Cost" for Pension Plans [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Deduction for the Equity Awards Grant Date Fair Value Reported Under the "Stock Awards" and "Option Awards" [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     (5,012,940)    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     4,233,694    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     1,906,258    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     417,375    
PEO [Member] | Mr. Marsh [Member] | Adjustment for Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0    
Non-PEO NEO [Member] | Adjustment for Deduction for Change in Actuarial Present Value reported under the "Change in Pension Value and Non-qualified Deferred Compensation Earnings" [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     (266,225) (409,275) (1,472,875)
Non-PEO NEO [Member] | Adjustment for Increase for "Service Cost" for Pension Plans [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     130,125 186,625 130,750
Non-PEO NEO [Member] | Adjustment for Increase for "Prior Service Cost" for Pension Plans (Due to Plan Amendment/Modification) [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     466,725 0 0
Non-PEO NEO [Member] | Adjustment for Deduction for the Equity Awards Grant Date Fair Value Reported Under the "Stock Awards" and "Option Awards" [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     (2,044,130) (2,198,699) (2,147,575)
Non-PEO NEO [Member] | Adjustment for Increase for Year End Fair Value of Equity Awards Granted During Year That are Outstanding and Unvested at Year End [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     2,144,852 2,839,140 1,253,979
Non-PEO NEO [Member] | Adjustment for Increase/Deduction for Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     393,775 185,876 (1,850,528)
Non-PEO NEO [Member] | Adjustment for Increase/Deduction for Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     0 0 0
Non-PEO NEO [Member] | Adjustment for Increase/Deduction for Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     300,669 184,567 1,799,251
Non-PEO NEO [Member] | Adjustment for Deduction for Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member]          
Pay vs Performance Disclosure [Table]          
Adjustment to Compensation Amount     $ 0 $ 0 $ 0