| 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 | DOMINION ENERGY, INC |
| Entity Central Index Key | 0000715957 |
| Pay vs Performance Disclosure | 3 Months Ended | 9 Months Ended | 12 Months Ended | ||
| Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | |
| Pay vs Performance Disclosure [Table] | |||||
| Pay vs Performance [Table Text Block] | Pay versus Performance In this section, we are providing information about the relationship between the compensation paid to our NEOs and the financial performance of the company, as required by SEC rules. The following table shows the past three fiscal years’ total compensation for our CEO and other NEOs (expressed as an average) as set forth in the Summary Compensation Table Pay vs. Performance Table Value of Initial Fixed $100 Investment Based On: Year Summary Compensation (1) Compensation Actually Paid (1)(6) Summary Compensation (2) Compensation Actually Paid (2)(6) Average Summary (3) Average Compensation (3)(6) Total Shareholder (4) Peer Group Total (4) Net (in millions) Operating Earnings Per (5) 2022 6,794,985 5,095,318 N/A N/A 2,042,074 1,260,497 83 120 994 4.11 2021 8,161,083 7,796,007 N/A N/A 5,002,308 4,186,674 102 119 3,288 3.86 2020 7,912,643 6,307,480 16,040,625 15,518,646 3,960,554 3,207,595 95 101 (401) 3.54 (1) The amounts in these columns reflect the Summary Compensation Table (2) The amounts in these columns reflect the Summary Compensation Table (3) The amounts in these columns reflect the average Summary Compensation Table (4) The calculation of TSR is based on the value of an initial fixed investment of $100 from the beginning of 2020 through the end of 2022 in the table, assuming reinvestment of dividends. The peer group TSR is represented by the S&P 500 Utilities Index. (5) See Reconciliation of Reported Earnings (GAAP) to Operating Earnings (non-GAAP) in Appendix A (6) SEC rules require certain adjustments be made to the Summary Compensation Table Year Executives Summary Deduct Change (a) Deduct Stock (b) Add Pension (c) Add Equity (d) CAP ($) 2022 CEO 6,794,985 10,107 3,320,036 379,563 1,250,913 5,095,318 Other NEOs 2,042,074 50,049 614,052 126,361 (243,837) 1,260,497 2021 CEO 8,161,083 1,235,648 3,250,001 385,293 3,735,280 7,796,007 Other NEOs 5,002,308 381,847 1,140,029 148,234 558,008 4,186,674 2020 CEO – Mr. Blue 7,912,643 1,649,066 2,875,039 232,112 2,686,830 6,307,480 CEO – Mr. Farrell 16,040,625 0 5,975,052 436,684 5,016,389 15,518,646 Other NEOs 3,960,554 774,402 1,500,033 133,179 1,388,297 3,207,595 (a) Represents the aggregate change in the actuarial present value of the NEOs’ accumulated benefit under all defined benefit and actuarial pension plans reported in the Summary Compensation Table (b) Represents the amounts reported in the Stock Awards column in the Summary Compensation Table (c) SEC rules require certain adjustments be made to pension compensation totals to determine CAP. The following table details these adjustments: Year Executives Pension Service Cost Adjustment ($) Prior Service Cost Adjustment ($) Pension Valuation Adjustment ($) 2022 CEO 379,563 0 379,563 Other NEOs 126,361 0 126,361 2021 CEO 385,293 0 385,293 Other NEOs 148,234 0 148,234 2020 CEO – Mr. Blue 232,112 0 232,112 CEO – Mr. Farrell 436,684 0 436,684 Other NEOs 133,179 0 133,179 (d) SEC rules require certain adjustments be made to equity award totals to determine CAP: (i) add the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) add the amount of change in fair value as of the end of the applicable year (from the end of the prior fiscal year) of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) add, for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) add, for awards granted in prior years that vest in the applicable year, the amount equal to the change in fair value as of the vesting date (from the end of the prior fiscal year); (v) subtract, for awards granted in prior years that fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) add the dollar value of any dividends or other earnings paid on equity awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The following table details these adjustments: Unvested Awards Vested Awards Year Executives Year End Fair Year over Year Fair Value as Change as of Deduct Value of Equity Award 2022 CEO 2,604,383 (1,193,284) - (458,393) - 298,207 1,250,913 Other NEOs 363,026 (302,057) - (47,515) (324,406) 67,115 (243,837) 2021 CEO 3,589,485 (36,331) - (22,254) - 204,380 3,735,280 Other NEOs 697,705 51,491 44,342 (16,747) (309,831) 91,048 558,008 2020 CEO – Mr. Blue 2,705,268 (157,871) - 20,434 - 118,999 2,686,830 CEO – Mr. Farrell 5,210,157 (1,180,658) - 213,310 - 773,580 5,016,389 Other NEOs 1,374,044 (94,183) - 33,137 - 75,299 1,388,297 | ||||
| Company Selected Measure Name | Operating Earnings Per Share | ||||
| Peer Group Issuers, Footnote [Text Block] | The calculation of TSR is based on the value of an initial fixed investment of $100 from the beginning of 2020 through the end of 2022 in the table, assuming reinvestment of dividends. The peer group TSR is represented by the S&P 500 Utilities Index. | ||||
| PEO Total Compensation Amount | $ 6,794,985 | $ 8,161,083 | |||
| PEO Actually Paid Compensation Amount | $ 5,095,318 | 7,796,007 | |||
| Adjustment To PEO Compensation, Footnote [Text Block] | SEC rules require certain adjustments be made to the Summary Compensation Table Year Executives Summary Deduct Change (a) Deduct Stock (b) Add Pension (c) Add Equity (d) CAP ($) 2022 CEO 6,794,985 10,107 3,320,036 379,563 1,250,913 5,095,318 Other NEOs 2,042,074 50,049 614,052 126,361 (243,837) 1,260,497 2021 CEO 8,161,083 1,235,648 3,250,001 385,293 3,735,280 7,796,007 Other NEOs 5,002,308 381,847 1,140,029 148,234 558,008 4,186,674 2020 CEO – Mr. Blue 7,912,643 1,649,066 2,875,039 232,112 2,686,830 6,307,480 CEO – Mr. Farrell 16,040,625 0 5,975,052 436,684 5,016,389 15,518,646 Other NEOs 3,960,554 774,402 1,500,033 133,179 1,388,297 3,207,595 (a) Represents the aggregate change in the actuarial present value of the NEOs’ accumulated benefit under all defined benefit and actuarial pension plans reported in the Summary Compensation Table (b) Represents the amounts reported in the Stock Awards column in the Summary Compensation Table (c) SEC rules require certain adjustments be made to pension compensation totals to determine CAP. The following table details these adjustments: Year Executives Pension Service Cost Adjustment ($) Prior Service Cost Adjustment ($) Pension Valuation Adjustment ($) 2022 CEO 379,563 0 379,563 Other NEOs 126,361 0 126,361 2021 CEO 385,293 0 385,293 Other NEOs 148,234 0 148,234 2020 CEO – Mr. Blue 232,112 0 232,112 CEO – Mr. Farrell 436,684 0 436,684 Other NEOs 133,179 0 133,179 (d) SEC rules require certain adjustments be made to equity award totals to determine CAP: (i) add the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) add the amount of change in fair value as of the end of the applicable year (from the end of the prior fiscal year) of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) add, for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) add, for awards granted in prior years that vest in the applicable year, the amount equal to the change in fair value as of the vesting date (from the end of the prior fiscal year); (v) subtract, for awards granted in prior years that fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) add the dollar value of any dividends or other earnings paid on equity awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The following table details these adjustments: Unvested Awards Vested Awards Year Executives Year End Fair Year over Year Fair Value as Change as of Deduct Value of Equity Award 2022 CEO 2,604,383 (1,193,284) - (458,393) - 298,207 1,250,913 Other NEOs 363,026 (302,057) - (47,515) (324,406) 67,115 (243,837) 2021 CEO 3,589,485 (36,331) - (22,254) - 204,380 3,735,280 Other NEOs 697,705 51,491 44,342 (16,747) (309,831) 91,048 558,008 2020 CEO – Mr. Blue 2,705,268 (157,871) - 20,434 - 118,999 2,686,830 CEO – Mr. Farrell 5,210,157 (1,180,658) - 213,310 - 773,580 5,016,389 Other NEOs 1,374,044 (94,183) - 33,137 - 75,299 1,388,297 | ||||
| Non-PEO NEO Average Total Compensation Amount | $ 2,042,074 | 5,002,308 | $ 3,960,554 | ||
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,260,497 | 4,186,674 | 3,207,595 | ||
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | SEC rules require certain adjustments be made to the Summary Compensation Table Year Executives Summary Deduct Change (a) Deduct Stock (b) Add Pension (c) Add Equity (d) CAP ($) 2022 CEO 6,794,985 10,107 3,320,036 379,563 1,250,913 5,095,318 Other NEOs 2,042,074 50,049 614,052 126,361 (243,837) 1,260,497 2021 CEO 8,161,083 1,235,648 3,250,001 385,293 3,735,280 7,796,007 Other NEOs 5,002,308 381,847 1,140,029 148,234 558,008 4,186,674 2020 CEO – Mr. Blue 7,912,643 1,649,066 2,875,039 232,112 2,686,830 6,307,480 CEO – Mr. Farrell 16,040,625 0 5,975,052 436,684 5,016,389 15,518,646 Other NEOs 3,960,554 774,402 1,500,033 133,179 1,388,297 3,207,595 (a) Represents the aggregate change in the actuarial present value of the NEOs’ accumulated benefit under all defined benefit and actuarial pension plans reported in the Summary Compensation Table (b) Represents the amounts reported in the Stock Awards column in the Summary Compensation Table (c) SEC rules require certain adjustments be made to pension compensation totals to determine CAP. The following table details these adjustments: Year Executives Pension Service Cost Adjustment ($) Prior Service Cost Adjustment ($) Pension Valuation Adjustment ($) 2022 CEO 379,563 0 379,563 Other NEOs 126,361 0 126,361 2021 CEO 385,293 0 385,293 Other NEOs 148,234 0 148,234 2020 CEO – Mr. Blue 232,112 0 232,112 CEO – Mr. Farrell 436,684 0 436,684 Other NEOs 133,179 0 133,179 (d) SEC rules require certain adjustments be made to equity award totals to determine CAP: (i) add the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) add the amount of change in fair value as of the end of the applicable year (from the end of the prior fiscal year) of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) add, for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) add, for awards granted in prior years that vest in the applicable year, the amount equal to the change in fair value as of the vesting date (from the end of the prior fiscal year); (v) subtract, for awards granted in prior years that fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) add the dollar value of any dividends or other earnings paid on equity awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The following table details these adjustments: Unvested Awards Vested Awards Year Executives Year End Fair Year over Year Fair Value as Change as of Deduct Value of Equity Award 2022 CEO 2,604,383 (1,193,284) - (458,393) - 298,207 1,250,913 Other NEOs 363,026 (302,057) - (47,515) (324,406) 67,115 (243,837) 2021 CEO 3,589,485 (36,331) - (22,254) - 204,380 3,735,280 Other NEOs 697,705 51,491 44,342 (16,747) (309,831) 91,048 558,008 2020 CEO – Mr. Blue 2,705,268 (157,871) - 20,434 - 118,999 2,686,830 CEO – Mr. Farrell 5,210,157 (1,180,658) - 213,310 - 773,580 5,016,389 Other NEOs 1,374,044 (94,183) - 33,137 - 75,299 1,388,297 | ||||
| Equity Valuation Assumption Difference, Footnote [Text Block] | SEC rules require certain adjustments be made to equity award totals to determine CAP: (i) add the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) add the amount of change in fair value as of the end of the applicable year (from the end of the prior fiscal year) of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) add, for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) add, for awards granted in prior years that vest in the applicable year, the amount equal to the change in fair value as of the vesting date (from the end of the prior fiscal year); (v) subtract, for awards granted in prior years that fail to meet the applicable vesting conditions during the applicable year, the amount equal to the fair value at the end of the prior fiscal year; and (vi) add the dollar value of any dividends or other earnings paid on equity awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The following table details these adjustments: Unvested Awards Vested Awards Year Executives Year End Fair Year over Year Fair Value as Change as of Deduct Value of Equity Award 2022 CEO 2,604,383 (1,193,284) - (458,393) - 298,207 1,250,913 Other NEOs 363,026 (302,057) - (47,515) (324,406) 67,115 (243,837) 2021 CEO 3,589,485 (36,331) - (22,254) - 204,380 3,735,280 Other NEOs 697,705 51,491 44,342 (16,747) (309,831) 91,048 558,008 2020 CEO – Mr. Blue 2,705,268 (157,871) - 20,434 - 118,999 2,686,830 CEO – Mr. Farrell 5,210,157 (1,180,658) - 213,310 - 773,580 5,016,389 Other NEOs 1,374,044 (94,183) - 33,137 - 75,299 1,388,297 | ||||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | |||||
| Compensation Actually Paid vs. Net Income [Text Block] | |||||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | |||||
| Tabular List [Table Text Block] | Most Important Performance Measures Table The three items listed below represent the most important performance measures we used to link compensation actually paid to our NEOs for 2022 to company performance, as further described in the Annual Incentive Plan Long-Term Incentive Plan Operating Earnings Per Share Relative Total Shareholder Return Return on Invested Capital | ||||
| Total Shareholder Return Amount | $ 83 | 102 | 95 | ||
| Peer Group Total Shareholder Return Amount | 120 | 119 | 101 | ||
| Net Income (Loss) | $ 994,000,000 | $ 3,288,000,000 | $ (401,000,000) | ||
| Company Selected Measure Amount | 4.11 | 3.86 | 3.54 | ||
| PEO Name | Mr. Blue | Thomas F. Farrell, II | Mr. Blue | Mr. Blue | |
| Measure [Axis]: 1 | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Measure Name | Operating Earnings Per Share | ||||
| Measure [Axis]: 2 | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Measure Name | Relative Total Shareholder Return | ||||
| Measure [Axis]: 3 | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Measure Name | Return on Invested Capital | ||||
| Mr. Blue [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| PEO Total Compensation Amount | $ 6,794,985 | $ 8,161,083 | $ 7,912,643 | ||
| PEO Actually Paid Compensation Amount | 5,095,318 | 7,796,007 | 6,307,480 | ||
| Mr. Thomas F. Farrell [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| PEO Total Compensation Amount | 16,040,625 | ||||
| PEO Actually Paid Compensation Amount | 15,518,646 | ||||
| PEO [Member] | Deduct Change in Pension Value [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 10,107 | 1,235,648 | |||
| PEO [Member] | Deduct Stock Awards [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 3,320,036 | 3,250,001 | |||
| PEO [Member] | Add Pension Valuation Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 379,563 | 385,293 | |||
| PEO [Member] | Add Equity Award Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 1,250,913 | 3,735,280 | |||
| PEO [Member] | Pension Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 379,563 | 385,293 | |||
| PEO [Member] | Prior Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 0 | 0 | |||
| PEO [Member] | Unvested Awards Year End Fair Value of Equity Awards Granted During Year and Outstanding and Unvested at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 2,604,383 | 3,589,485 | |||
| PEO [Member] | Unvested Awards Year Over Year Change in Fair Value of Outstanding and Unvested Equity Awards at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (1,193,284) | (36,331) | |||
| PEO [Member] | Vested Awards Change in Vesting Date from Prior Year End of Prior Awards that Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (458,393) | (22,254) | |||
| PEO [Member] | Vested Awards Fair Value as of Vesting Date of Equity Awards Granted and Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | |||||
| PEO [Member] | Deduct Forfeited Awards (Fair Value at End of Prior Year) [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | |||||
| PEO [Member] | Value of Dividends and Earnings Paid [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 298,207 | 204,380 | |||
| PEO [Member] | Mr. Blue [Member] | Deduct Change in Pension Value [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 1,649,066 | ||||
| PEO [Member] | Mr. Blue [Member] | Deduct Stock Awards [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 2,875,039 | ||||
| PEO [Member] | Mr. Blue [Member] | Add Pension Valuation Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 232,112 | ||||
| PEO [Member] | Mr. Blue [Member] | Add Equity Award Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 2,686,830 | ||||
| PEO [Member] | Mr. Blue [Member] | Pension Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 232,112 | ||||
| PEO [Member] | Mr. Blue [Member] | Prior Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 0 | ||||
| PEO [Member] | Mr. Blue [Member] | Unvested Awards Year End Fair Value of Equity Awards Granted During Year and Outstanding and Unvested at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 2,705,268 | ||||
| PEO [Member] | Mr. Blue [Member] | Unvested Awards Year Over Year Change in Fair Value of Outstanding and Unvested Equity Awards at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (157,871) | ||||
| PEO [Member] | Mr. Blue [Member] | Vested Awards Change in Vesting Date from Prior Year End of Prior Awards that Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 20,434 | ||||
| PEO [Member] | Mr. Blue [Member] | Vested Awards Fair Value as of Vesting Date of Equity Awards Granted and Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | |||||
| PEO [Member] | Mr. Blue [Member] | Deduct Forfeited Awards (Fair Value at End of Prior Year) [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | |||||
| PEO [Member] | Mr. Blue [Member] | Value of Dividends and Earnings Paid [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 118,999 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Deduct Change in Pension Value [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 0 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Deduct Stock Awards [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 5,975,052 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Add Pension Valuation Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 436,684 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Add Equity Award Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 5,016,389 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Pension Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 436,684 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Prior Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 0 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Unvested Awards Year End Fair Value of Equity Awards Granted During Year and Outstanding and Unvested at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 5,210,157 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Unvested Awards Year Over Year Change in Fair Value of Outstanding and Unvested Equity Awards at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (1,180,658) | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Vested Awards Change in Vesting Date from Prior Year End of Prior Awards that Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 213,310 | ||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Vested Awards Fair Value as of Vesting Date of Equity Awards Granted and Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | |||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Deduct Forfeited Awards (Fair Value at End of Prior Year) [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | |||||
| PEO [Member] | Mr. Thomas F. Farrell [Member] | Value of Dividends and Earnings Paid [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 773,580 | ||||
| Non-PEO NEO [Member] | Deduct Change in Pension Value [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 50,049 | 381,847 | 774,402 | ||
| Non-PEO NEO [Member] | Deduct Stock Awards [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 614,052 | 1,140,029 | 1,500,033 | ||
| Non-PEO NEO [Member] | Add Pension Valuation Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 126,361 | 148,234 | 133,179 | ||
| Non-PEO NEO [Member] | Add Equity Award Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (243,837) | 558,008 | 1,388,297 | ||
| Non-PEO NEO [Member] | Pension Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 126,361 | 148,234 | 133,179 | ||
| Non-PEO NEO [Member] | Prior Service Cost Adjustment [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 0 | 0 | 0 | ||
| Non-PEO NEO [Member] | Unvested Awards Year End Fair Value of Equity Awards Granted During Year and Outstanding and Unvested at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 363,026 | 697,705 | 1,374,044 | ||
| Non-PEO NEO [Member] | Unvested Awards Year Over Year Change in Fair Value of Outstanding and Unvested Equity Awards at Year End [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (302,057) | 51,491 | (94,183) | ||
| Non-PEO NEO [Member] | Vested Awards Change in Vesting Date from Prior Year End of Prior Awards that Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (47,515) | (16,747) | 33,137 | ||
| Non-PEO NEO [Member] | Vested Awards Fair Value as of Vesting Date of Equity Awards Granted and Vested During Year [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | 44,342 | ||||
| Non-PEO NEO [Member] | Deduct Forfeited Awards (Fair Value at End of Prior Year) [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | (324,406) | (309,831) | |||
| Non-PEO NEO [Member] | Value of Dividends and Earnings Paid [Member] | |||||
| Pay vs Performance Disclosure [Table] | |||||
| Adjustment to Compensation Amount | $ 67,115 | $ 91,048 | $ 75,299 | ||
