| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | CenterPoint Energy, Inc. |
| Entity Central Index Key | 0001130310 |
| Pay vs Performance Disclosure | 12 Months Ended | ||
| Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | Information for each of the last three completed fiscal years is shown in the table below for each principal executive officer (“PEO”) and for our non-PEO (“Non-PEO PEO Pay (1) Non-PEO (2) Value of Initial Fixed $100 Other Performance Summary Compensation Table Total ($) Compensation “Actually Paid” ($) (3) Average Average (3) ($) Total (4) ($) “Peer Group” (4) ($) Net (5) Company- (6) Year Lesar Somerhalder Prochazka Lesar Somerhalder Prochazka 2022 $ 13,868,875 $ 29,552,666 $ 2,551,102 $ 4,418,767 $ 119.5 $ 111.2 $ 1,008 $ 1.38 2021 $ 37,809,810 $ 52,998,434 $ 8,318,875 $ 10,539,727 $ 108.7 $ 113.9 $ 1,391 $ 1.27 2020 $ 11,946,295 $ 3,075,656 $ 6,656,290 $ 13,546,218 $ 3,066,727 $ 5,704,640 $ 2,812,497 $ 2,201,357 $ 82.1 $ 99.4 ($ 949 ) $ 1.17 (1) Our PEOs during the last three completed fiscal years were Scott Prochazka, John Somerhalder II, and David Lesar. Messrs. Prochazka, Somerhalder and Lesar were each PEOs in 2020. Mr. Lesar was the only PEO for years 2021 and 2022. (2) Our Non-PEO For 2020, Jason Wells, Milton Carroll, Kristie Colvin, Scott Doyle, Gregory Knight, Xia Liu, and Joseph Vortherms; For 2021, Jason Wells, Scott Doyle, Kenneth Mercado, Monica Karuturi, and Milton Carroll; and For 2022, Jason Wells, Scott Doyle, Monica Karuturi, and Gregory Knight. (3) Compensation “actually paid” for each fiscal year is the total compensation reported in the Summary Compensation table for that year adjusted by the following amounts. The amounts for the non-PEO non-TSR 2022 Actually Paid Adjustments PEO Average Non-PEO NEOs Summary Compensation Table (SCT) Total ($) 13,867,875 2,551,102 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (8,481,240 ) (1,336,621 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — 31,373 Increase for Service Cost and Prior Service Cost for Pension Plans — 15,906 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 12,542,520 1,976,680 Increase for Fair Value of Awards Granted During Year that Vest During Year — — Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 1,550,496 127,670 Increase/Deduction for Change in Fair Value from Prior Year-End to Year that Vest During Year 5,034,164 523,494 Increase/Deduction for Change in Fair Value from Prior Year-End Year-End Prior to Year that were Outstanding and Unvested as of Year-End 5,038,851 529,165 Deduction of Fair Value of Prior Year Awards Forfeited During the Year — — Total Compensation Actually Paid 29,552,666 4,418,767 2021 Actually Paid Adjustments PEO Average Non-PEO Summary Compensation Table (SCT) Total ($) 37,809,810 8,318,875 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (33,359,999 ) (1,563,500 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — (31,811 ) Increase for Service Cost and Prior Service Cost for Pension Plans — 16,623 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 41,286,596 2,575,657 Increase for Fair Value of Awards Granted During Year that Vest During Year — — Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 1,063,262 143,224 Increase/Deduction for Change in Fair Value from Prior Year-End to Year that Vest During Year 53,451 173,972 Increase/Deduction for Change in Fair Value from Prior Year-End Year-End Prior to Year that were Outstanding and Unvested as of Year-End 6,145,315 968,869 Deduction of Fair Value of Prior Year Awards Forfeited During the Year — (62,183 ) Total Compensation Actually Paid 52,998,434 10,539,727 2020 Actually Paid Adjustments PEO Average Non- PEO NEOs Lesar Somerhalder Prochazka Summary Compensation Table (SCT) Total ($) 11,946,295 3,075,656 6,656,290 2,812,497 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (8,169,996 ) (2,272,619 ) — (1,608,708 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — (8,929 ) 1,008,367 (59,849 ) Increase for Service Cost and Prior Service Cost for Pension Plans — — 140,749 14,403 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 9,382,862 — — 1,305,346 Increase for Fair Value of Awards Granted During Year that Vest During Year 149,996 2,272,619 — 71,428 Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 237,061 — 528,003 79,014 Increase/Deduction for Change in Fair Value from Prior Year-End of Awards Granted Prior to Year that Vest During Year — — (777,086 ) (82,302 ) Increase/Deduction for Change in Fair Value from Prior Year-End Year-End as of Year-End — — (1,283,285 ) (117,485 ) Deduction of Fair Value of Prior Year Awards Forfeited During the Year — — (568,399 ) (212,986 ) Total Compensation Actually Paid 13,546,218 3,066,727 5,704,640 2,201,357 (4) Cumulative TSR is determined for the measurement period starting 12/31/2019 and ending on 12/31/2022, 12/31/2021, and 12/31/2020, respectively. Peer group TSR is weighted based on market capitalization as of 12/31/2019 and is based on PHLX Utility Sector Index (UTY) TSR sourced from FactSet. (5) Amounts shown are consolidated net income reported pursuant to GAAP in our annual report on Form 10-K. (6) The company-selected measure represents what the company believes is the most important financial performance measure (other than company TSR or net income) used to link company performance and the compensation actually paid to our named executive officers. The company-selected measure is Adjusted EPS. An EPS financial measure aligns with our commitment to return value to investors through earnings and dividends paid. Adjusted EPS is a non-GAAP | ||
| Company Selected Measure Name | Adjusted EPS | ||
| Named Executive Officers, Footnote [Text Block] | (2) Our Non-PEO For 2020, Jason Wells, Milton Carroll, Kristie Colvin, Scott Doyle, Gregory Knight, Xia Liu, and Joseph Vortherms; For 2021, Jason Wells, Scott Doyle, Kenneth Mercado, Monica Karuturi, and Milton Carroll; and For 2022, Jason Wells, Scott Doyle, Monica Karuturi, and Gregory Knight. | ||
| Peer Group Issuers, Footnote [Text Block] | (4) Cumulative TSR is determined for the measurement period starting 12/31/2019 and ending on 12/31/2022, 12/31/2021, and 12/31/2020, respectively. Peer group TSR is weighted based on market capitalization as of 12/31/2019 and is based on PHLX Utility Sector Index (UTY) TSR sourced from FactSet. | ||
| PEO Total Compensation Amount | $ 13,867,875 | $ 37,809,810 | |
| PEO Actually Paid Compensation Amount | $ 29,552,666 | 52,998,434 | $ 2,812,497 |
| Adjustment To PEO Compensation, Footnote [Text Block] | 2022 Actually Paid Adjustments PEO Average Non-PEO NEOs Summary Compensation Table (SCT) Total ($) 13,867,875 2,551,102 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (8,481,240 ) (1,336,621 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — 31,373 Increase for Service Cost and Prior Service Cost for Pension Plans — 15,906 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 12,542,520 1,976,680 Increase for Fair Value of Awards Granted During Year that Vest During Year — — Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 1,550,496 127,670 Increase/Deduction for Change in Fair Value from Prior Year-End to Year that Vest During Year 5,034,164 523,494 Increase/Deduction for Change in Fair Value from Prior Year-End Year-End Prior to Year that were Outstanding and Unvested as of Year-End 5,038,851 529,165 Deduction of Fair Value of Prior Year Awards Forfeited During the Year — — Total Compensation Actually Paid 29,552,666 4,418,767 2021 Actually Paid Adjustments PEO Average Non-PEO Summary Compensation Table (SCT) Total ($) 37,809,810 8,318,875 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (33,359,999 ) (1,563,500 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — (31,811 ) Increase for Service Cost and Prior Service Cost for Pension Plans — 16,623 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 41,286,596 2,575,657 Increase for Fair Value of Awards Granted During Year that Vest During Year — — Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 1,063,262 143,224 Increase/Deduction for Change in Fair Value from Prior Year-End to Year that Vest During Year 53,451 173,972 Increase/Deduction for Change in Fair Value from Prior Year-End Year-End Prior to Year that were Outstanding and Unvested as of Year-End 6,145,315 968,869 Deduction of Fair Value of Prior Year Awards Forfeited During the Year — (62,183 ) Total Compensation Actually Paid 52,998,434 10,539,727 2020 Actually Paid Adjustments PEO Average Non- PEO NEOs Lesar Somerhalder Prochazka Summary Compensation Table (SCT) Total ($) 11,946,295 3,075,656 6,656,290 2,812,497 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (8,169,996 ) (2,272,619 ) — (1,608,708 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — (8,929 ) 1,008,367 (59,849 ) Increase for Service Cost and Prior Service Cost for Pension Plans — — 140,749 14,403 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 9,382,862 — — 1,305,346 Increase for Fair Value of Awards Granted During Year that Vest During Year 149,996 2,272,619 — 71,428 Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 237,061 — 528,003 79,014 Increase/Deduction for Change in Fair Value from Prior Year-End of Awards Granted Prior to Year that Vest During Year — — (777,086 ) (82,302 ) Increase/Deduction for Change in Fair Value from Prior Year-End Year-End as of Year-End — — (1,283,285 ) (117,485 ) Deduction of Fair Value of Prior Year Awards Forfeited During the Year — — (568,399 ) (212,986 ) Total Compensation Actually Paid 13,546,218 3,066,727 5,704,640 2,201,357 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 2,551,102 | 8,318,875 | 2,812,497 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 4,418,767 | 10,539,727 | 2,201,357 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | 2022 Actually Paid Adjustments PEO Average Non-PEO NEOs Summary Compensation Table (SCT) Total ($) 13,867,875 2,551,102 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (8,481,240 ) (1,336,621 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — 31,373 Increase for Service Cost and Prior Service Cost for Pension Plans — 15,906 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 12,542,520 1,976,680 Increase for Fair Value of Awards Granted During Year that Vest During Year — — Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 1,550,496 127,670 Increase/Deduction for Change in Fair Value from Prior Year-End to Year that Vest During Year 5,034,164 523,494 Increase/Deduction for Change in Fair Value from Prior Year-End Year-End Prior to Year that were Outstanding and Unvested as of Year-End 5,038,851 529,165 Deduction of Fair Value of Prior Year Awards Forfeited During the Year — — Total Compensation Actually Paid 29,552,666 4,418,767 2021 Actually Paid Adjustments PEO Average Non-PEO Summary Compensation Table (SCT) Total ($) 37,809,810 8,318,875 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (33,359,999 ) (1,563,500 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — (31,811 ) Increase for Service Cost and Prior Service Cost for Pension Plans — 16,623 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 41,286,596 2,575,657 Increase for Fair Value of Awards Granted During Year that Vest During Year — — Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 1,063,262 143,224 Increase/Deduction for Change in Fair Value from Prior Year-End to Year that Vest During Year 53,451 173,972 Increase/Deduction for Change in Fair Value from Prior Year-End Year-End Prior to Year that were Outstanding and Unvested as of Year-End 6,145,315 968,869 Deduction of Fair Value of Prior Year Awards Forfeited During the Year — (62,183 ) Total Compensation Actually Paid 52,998,434 10,539,727 2020 Actually Paid Adjustments PEO Average Non- PEO NEOs Lesar Somerhalder Prochazka Summary Compensation Table (SCT) Total ($) 11,946,295 3,075,656 6,656,290 2,812,497 Deduction for Amounts Reported under the Stock Awards and Options Awards columns in the SCT (8,169,996 ) (2,272,619 ) — (1,608,708 ) Deduction for Amounts Reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the SCT — (8,929 ) 1,008,367 (59,849 ) Increase for Service Cost and Prior Service Cost for Pension Plans — — 140,749 14,403 Increase for Fair Value of Awards Granted During Year that Remain Unvested as of Year-End 9,382,862 — — 1,305,346 Increase for Fair Value of Awards Granted During Year that Vest During Year 149,996 2,272,619 — 71,428 Increase for Dividends Paid on Unvested Shares/Share Units & Stock Options in Year 237,061 — 528,003 79,014 Increase/Deduction for Change in Fair Value from Prior Year-End of Awards Granted Prior to Year that Vest During Year — — (777,086 ) (82,302 ) Increase/Deduction for Change in Fair Value from Prior Year-End Year-End as of Year-End — — (1,283,285 ) (117,485 ) Deduction of Fair Value of Prior Year Awards Forfeited During the Year — — (568,399 ) (212,986 ) Total Compensation Actually Paid 13,546,218 3,066,727 5,704,640 2,201,357 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | The following graphics show the relationships between executive compensation actually paid and cumulative TSR, net income, and adjusted EPS for the last three completed fiscal years. Compensation actually paid to Non-PEO | ||
| Compensation Actually Paid vs. Net Income [Text Block] | |||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | |||
| Tabular List [Table Text Block] | As required by Item 402 S-K, he tu Most Important Financial Performance Measures Cumulative total shareholder return (TSR) Net income Adjusted EPS (company-selected financial performance measure) | ||
| Total Shareholder Return Amount | $ 119.5 | 108.7 | 82.1 |
| Peer Group Total Shareholder Return Amount | 111.2 | 113.9 | 99.4 |
| Net Income (Loss) | $ 1,008,000,000 | $ 1,391,000,000 | $ (949,000,000) |
| Company Selected Measure Amount | 1.38 | 1.27 | 1.17 |
| Value Of Initial Fixed Investment Based On Total Shareholder Return | $ 100 | ||
| Value Of Initial Fixed Investment Based On Peer Group Total Shareholder Return | $ 100 | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Cumulative total shareholder return | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Net income | ||
| Measure [Axis]: 3 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted EPS | ||
| Non-GAAP Measure Description [Text Block] | (6) The company-selected measure represents what the company believes is the most important financial performance measure (other than company TSR or net income) used to link company performance and the compensation actually paid to our named executive officers. The company-selected measure is Adjusted EPS. An EPS financial measure aligns with our commitment to return value to investors through earnings and dividends paid. Adjusted EPS is a non-GAAP | ||
| Stock Awards and Options Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (1,608,708) | ||
| Change in Pension Value and Nonqualified Deferred Compensation Earnings [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (59,849) | ||
| Change in Value of Awards Vesting in Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 79,014 | ||
| Change in Value of Awards Granted [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (82,302) | ||
| Fair Value of Awards Granted During Year that Vest During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 71,428 | ||
| IncreaseDeduction for Change in Fair Value From Prior Year End to Current Year End of Awards Granted Prior to Year that were Outstanding and Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (117,485) | ||
| Increase for Service Cost and Prior Service Cost for Pension Plans [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 14,403 | ||
| Increase for Fair Value of Awards Granted During Year that Remain Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,305,346 | ||
| Deduction of Fair Value of Prior Year Awards Forfeited During the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (212,986) | ||
| David Lesar [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| PEO Total Compensation Amount | $ 13,868,875 | $ 37,809,810 | 11,946,295 |
| PEO Actually Paid Compensation Amount | $ 29,552,666 | 52,998,434 | 13,546,218 |
| PEO Name | David Lesar | ||
| David Lesar [Member] | Stock Awards and Options Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (8,169,996) | ||
| David Lesar [Member] | Change in Pension Value and Nonqualified Deferred Compensation Earnings [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| David Lesar [Member] | Change in Value of Awards Vesting in Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 237,061 | ||
| David Lesar [Member] | Change in Value of Awards Granted [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| David Lesar [Member] | Fair Value of Awards Granted During Year that Vest During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 149,996 | ||
| David Lesar [Member] | IncreaseDeduction for Change in Fair Value From Prior Year End to Current Year End of Awards Granted Prior to Year that were Outstanding and Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| David Lesar [Member] | Increase for Service Cost and Prior Service Cost for Pension Plans [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| David Lesar [Member] | Increase for Fair Value of Awards Granted During Year that Remain Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 9,382,862 | ||
| David Lesar [Member] | Deduction of Fair Value of Prior Year Awards Forfeited During the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| John SomerhalderIi [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| PEO Total Compensation Amount | 3,075,656 | ||
| PEO Actually Paid Compensation Amount | 3,066,727 | ||
| PEO Name | John Somerhalder II | ||
| John SomerhalderIi [Member] | Stock Awards and Options Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (2,272,619) | ||
| John SomerhalderIi [Member] | Change in Pension Value and Nonqualified Deferred Compensation Earnings [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (8,929) | ||
| John SomerhalderIi [Member] | Change in Value of Awards Vesting in Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| John SomerhalderIi [Member] | Change in Value of Awards Granted [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| John SomerhalderIi [Member] | Fair Value of Awards Granted During Year that Vest During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,272,619 | ||
| John SomerhalderIi [Member] | IncreaseDeduction for Change in Fair Value From Prior Year End to Current Year End of Awards Granted Prior to Year that were Outstanding and Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| John SomerhalderIi [Member] | Increase for Service Cost and Prior Service Cost for Pension Plans [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| John SomerhalderIi [Member] | Increase for Fair Value of Awards Granted During Year that Remain Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| John SomerhalderIi [Member] | Deduction of Fair Value of Prior Year Awards Forfeited During the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| Scott Prochazka [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| PEO Total Compensation Amount | 6,656,290 | ||
| PEO Actually Paid Compensation Amount | 5,704,640 | ||
| PEO Name | Scott Prochazka | ||
| Scott Prochazka [Member] | Stock Awards and Options Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| Scott Prochazka [Member] | Change in Pension Value and Nonqualified Deferred Compensation Earnings [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,008,367 | ||
| Scott Prochazka [Member] | Change in Value of Awards Vesting in Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 528,003 | ||
| Scott Prochazka [Member] | Change in Value of Awards Granted [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (777,086) | ||
| Scott Prochazka [Member] | Fair Value of Awards Granted During Year that Vest During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| Scott Prochazka [Member] | IncreaseDeduction for Change in Fair Value From Prior Year End to Current Year End of Awards Granted Prior to Year that were Outstanding and Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,283,285) | ||
| Scott Prochazka [Member] | Increase for Service Cost and Prior Service Cost for Pension Plans [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 140,749 | ||
| Scott Prochazka [Member] | Increase for Fair Value of Awards Granted During Year that Remain Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | ||
| Scott Prochazka [Member] | Deduction of Fair Value of Prior Year Awards Forfeited During the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (568,399) | ||
| PEO [Member] | Stock Awards and Options Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (8,481,240) | (33,359,999) | |
| PEO [Member] | Change in Pension Value and Nonqualified Deferred Compensation Earnings [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | |
| PEO [Member] | Dividends Paid on Unvested Shares [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,550,496 | 1,063,262 | |
| PEO [Member] | Change in Value of Awards Vesting in Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 5,034,164 | 53,451 | |
| PEO [Member] | Change in Value of Awards Granted [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 5,038,851 | 6,145,315 | |
| PEO [Member] | Fair Value of Awards Granted During Year that Vest During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | |
| PEO [Member] | Increase for Service Cost and Prior Service Cost for Pension Plans [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | |
| PEO [Member] | Increase for Fair Value of Awards Granted During Year that Remain Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 12,542,520 | 41,286,596 | |
| PEO [Member] | Deduction of Fair Value of Prior Year Awards Forfeited During the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | |
| Non-PEO NEO [Member] | Stock Awards and Options Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,336,621) | (1,563,500) | |
| Non-PEO NEO [Member] | Change in Pension Value and Nonqualified Deferred Compensation Earnings [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 31,373 | (31,811) | |
| Non-PEO NEO [Member] | Dividends Paid on Unvested Shares [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 127,670 | 143,224 | |
| Non-PEO NEO [Member] | Change in Value of Awards Vesting in Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 523,494 | 173,972 | |
| Non-PEO NEO [Member] | Change in Value of Awards Granted [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 529,165 | 968,869 | |
| Non-PEO NEO [Member] | Fair Value of Awards Granted During Year that Vest During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | |
| Non-PEO NEO [Member] | Increase for Service Cost and Prior Service Cost for Pension Plans [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 15,906 | 16,623 | |
| Non-PEO NEO [Member] | Increase for Fair Value of Awards Granted During Year that Remain Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,976,680 | 2,575,657 | |
| Non-PEO NEO [Member] | Deduction of Fair Value of Prior Year Awards Forfeited During the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 0 | $ (62,183) | |
