Pay vs Performance Disclosure - USD ($) | 12 Months Ended |
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 |
Pay vs Performance Disclosure [Table] | | | |
Pay vs Performance [Table Text Block] | Pay versus Performance Table The following table provides information required under the SEC’s Item 402(v) of Regulation S-K Year Summary ($) (b) (1) Summary ($) (b) (2) Summary ($) (b) (3) Compensation First PEO ($) (c) (1) Compensation ($) (c) (2) Compensation ($) (c) (3) 2022 4,849,985 2,999,632 — 4,540,112 2,999,632 — 2021 — 12,557,063 — — 4,844,563 — 2020 — 1,779,329 1,225,293 — 1,779,329 1,018,238 Year Average Non-PEO NEOs (d) (3) Average Non-PEO NEOs (e) (4) Value of Initial Fixed $100 Investment Net Income ($ in millions) (7) Adjusted Net ($ in millions) (8) Total ($) (f) (5) Peer Group Total ($) (g) (6) 2022 1,175,774 919,586 94 120 881 901 2021 3,035,233 2,751,903 105 118 707 780 2020 2,153,217 1,401,321 92 100 581 625 (1) The dollar amounts reported in column (b) are the amounts of total compensation reported for Pedro Azagra Blázquez (First PEO) in 2022, who has served as our Chief Executive Officer since May 2022, Dennis Arriola (Second PEO) for 2020, 2021, and 2022, who served as our Chief Executive Officer from July 2020 through May 2022, and James Torgerson (Third PEO), who served as our Chief Executive Officer through June 2020, for each corresponding year in the “Total” column of the “ Summary Compensation Table. Summary Compensation Table (2) The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Pedro Azagra Blázquez (First PEO), Dennis Arriola (Second PEO), and James Torgerson (Third PEO) for the corresponding fiscal year, as computed in accordance with Item 402(v) of Regulation S-K Summary Compensation Table (3) The dollar amounts reported in column (d) represent the average of the amounts reported for the non-PEO non-PEO (4) The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the non-PEO S-K. non-PEO S-K, non-PEO (5) Total shareholder return (“TSR”) is the value of $100 at the end of the measurement period assuming invested in Avangrid’s stock as of the beginning of the measurement period, including dividend reinvestment during this time period. On May 18, 2021, Avangrid issued 77,821,012 shares of common stock in two private placements, which impacted Avangrid’s TSR during the measurement period. For additional information about these equity issuances, please refer to the section titled “ Certain Relationships and Related Party Transactions (6) Peer group TSR, is the value of $100 at the end of the measurement period assuming invested in the peer group index as of the beginning of the measurement period, including dividend reinvestment during this time period. The peer group used for this purpose is the following published industry index: S&P 500 Utilities Index. (7) The dollar amounts reported represent our net income, as reflected in Avangrid’s audited financial statements for the applicable year. (8) The dollar amounts reported represent our adjusted net income, as reported in the Company’s Annual Report on Form 10-K. portant (9) In addition to adjusted net income, Avangrid also considers the following to be the most important measures for determining NEO pay: customer (system reliability), health and safety, renewables onshore/offshore growth, and increased sustainable supplier base. In accordance with the requirements of Item 402(v) of Regulation S-K, Year Reported Summary ($) Reported Value of Equity ($) (a) Equity Award ($) (b) Reported Change in ($) (c) Pension (d) Compensation ($) 2022 4,849,985 (2,690,619 ) 2,380,745 — — 4,540,112 Year Reported Summary ($) Reported Value of Equity ($) (a) Equity Award ($) (b) Reported Change in (c) Pension (d) Compensation ($) 2022 2,999,632 (842,800 ) 842,800 — — 2,999,632 2021 12,557,063 (8,650,325 ) 937,825 — — 4,844,563 2020 1,779,329 — — — — 1,779,329 Year Reported Summary ($) Reported Value of Equity ($) (a) Equity Award ($) (b) Reported Change in (c) Pension (d) Compensation ($) 2020 1,225,293 — (207,055 ) — — 1,018,238 (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” column in the Summary Compensation Table for the applicable year. For additional information, refer to the section titled “ Summary Compensation Table (b) The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end (c) and (d) We have never provided pension benefits to our PEOs; therefore, no adjustments to the “ Summary Compensation Table First PEO Year Year-End Fair Year-over- ($) Fair Value as ($) Year-over- ($) Prior Year- End Fair Value ($) Value of Total Equity Award Adjustments 2022 2,380,745 — — — — — 2,380,745 Second PEO Year Year-End Fair ($) Year-over-Year ($) Fair Value as ($) Year-over-Year ($) Prior Year-End ($) Value of Total Equity Award Adjustments 2022 — — 842,800 — — — 842,800 2021 — — 937,825 — — — 937,825 2020 — — — — — — — Third PEO Year Year-End Fair ($) Year-over-Year ($) Fair Value as of ($) Year-over-Year ($) Prior Year-End ($) Value of Total Equity Award Adjustments 2020 — (97,163 ) — (109,892 ) — — (207,055 ) Year Average Reported Summary Non-PEO ($) Average Value of ($) Average Equity Award Adjustments ($) (a) Reported ($) (b) Pension (c) Average Non-PEO ($) 2022 1,175,774 (55,971 ) (223,644 ) — 23,427 919,586 2021 3,035,233 (1,950,600 ) 1,693,131 (76,585 ) 50,724 2,751,903 2020 2,153,217 (663,910 ) 476,131 (608,155 ) 44,038 1,401,321 (a) Represents the amounts deducted or added in calculating the total average equity award adjustments as shown in the supplemental table included below. (b) The reported change in the actuarial present value of pension benefits reported in the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the Summary Compensation Table for the applicable year. Refer to the section titled “ Summary Compensation Table (c) The pension benefit adjustment is the pension value attributable to the applicable year’s change in service cost. These values were calculated and provided by PricewaterhouseCoopers. Year Average Year- End Fair Value ($) Average Year- ($) Average Fair ($) Average Year- ($) Average Prior Year-End ($) Average Value Average Equity Award Adjustments 2022 45,570 (186,426 ) 5,476 (9,728 ) (78,535 ) — (223,644 ) 2021 1,664,989 23,296 — 4,845 — — 1,693,131 2020 319,943 (15,162 ) 189,381 (18,031 ) — — 476,131 | | |
Company Selected Measure Name | Adjusted Net Income | | |
Named Executive Officers, Footnote [Text Block] | the non-PEO non-PEO | | |
Peer Group Issuers, Footnote [Text Block] | Peer group TSR, is the value of $100 at the end of the measurement period assuming invested in the peer group index as of the beginning of the measurement period, including dividend reinvestment during this time period. The peer group used for this purpose is the following published industry index: S&P 500 Utilities Index. | | |
Adjustment To PEO Compensation, Footnote [Text Block] | Year Reported Summary ($) Reported Value of Equity ($) (a) Equity Award ($) (b) Reported Change in ($) (c) Pension (d) Compensation ($) 2022 4,849,985 (2,690,619 ) 2,380,745 — — 4,540,112 Year Reported Summary ($) Reported Value of Equity ($) (a) Equity Award ($) (b) Reported Change in (c) Pension (d) Compensation ($) 2022 2,999,632 (842,800 ) 842,800 — — 2,999,632 2021 12,557,063 (8,650,325 ) 937,825 — — 4,844,563 2020 1,779,329 — — — — 1,779,329 Year Reported Summary ($) Reported Value of Equity ($) (a) Equity Award ($) (b) Reported Change in (c) Pension (d) Compensation ($) 2020 1,225,293 — (207,055 ) — — 1,018,238 (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” column in the Summary Compensation Table for the applicable year. For additional information, refer to the section titled “ Summary Compensation Table (b) The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end (c) and (d) We have never provided pension benefits to our PEOs; therefore, no adjustments to the “ Summary Compensation Table First PEO Year Year-End Fair Year-over- ($) Fair Value as ($) Year-over- ($) Prior Year- End Fair Value ($) Value of Total Equity Award Adjustments 2022 2,380,745 — — — — — 2,380,745 Second PEO Year Year-End Fair ($) Year-over-Year ($) Fair Value as ($) Year-over-Year ($) Prior Year-End ($) Value of Total Equity Award Adjustments 2022 — — 842,800 — — — 842,800 2021 — — 937,825 — — — 937,825 2020 — — — — — — — Third PEO Year Year-End Fair ($) Year-over-Year ($) Fair Value as of ($) Year-over-Year ($) Prior Year-End ($) Value of Total Equity Award Adjustments 2020 — (97,163 ) — (109,892 ) — — (207,055 ) | | |
Non-PEO NEO Average Total Compensation Amount | $ 1,175,774 | $ 3,035,233 | $ 2,153,217 |
Non-PEO NEO Average Compensation Actually Paid Amount | $ 919,586 | 2,751,903 | 1,401,321 |
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | Year Average Reported Summary Non-PEO ($) Average Value of ($) Average Equity Award Adjustments ($) (a) Reported ($) (b) Pension (c) Average Non-PEO ($) 2022 1,175,774 (55,971 ) (223,644 ) — 23,427 919,586 2021 3,035,233 (1,950,600 ) 1,693,131 (76,585 ) 50,724 2,751,903 2020 2,153,217 (663,910 ) 476,131 (608,155 ) 44,038 1,401,321 (a) Represents the amounts deducted or added in calculating the total average equity award adjustments as shown in the supplemental table included below. (b) The reported change in the actuarial present value of pension benefits reported in the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” column in the Summary Compensation Table for the applicable year. Refer to the section titled “ Summary Compensation Table (c) The pension benefit adjustment is the pension value attributable to the applicable year’s change in service cost. These values were calculated and provided by PricewaterhouseCoopers. Year Average Year- End Fair Value ($) Average Year- ($) Average Fair ($) Average Year- ($) Average Prior Year-End ($) Average Value Average Equity Award Adjustments 2022 45,570 (186,426 ) 5,476 (9,728 ) (78,535 ) — (223,644 ) 2021 1,664,989 23,296 — 4,845 — — 1,693,131 2020 319,943 (15,162 ) 189,381 (18,031 ) — — 476,131 | | |
Compensation Actually Paid vs. Total Shareholder Return [Text Block] | Compensation Actually Paid and Total Shareholder Return (TSR) As demonstrated by the following graph, the average amount of compensation actually paid to Pedro Azagra Blázquez (First PEO), Dennis Arriola (Second PEO) and James Torgerson (Third PEO) and the average amount of compensation actually paid to the non-PEO Compensation Discussion and Analysis .” | | |
Compensation Actually Paid vs. Net Income [Text Block] | Compensation Actual Paid and Net Income As demonstrated by the following graph, the average amount of compensation actually paid to Pedro Azagra Blázquez (First PEO), Dennis Arriola (Second PEO), and James Torgerson (Third PEO) and the average amount of compensation actually paid to the non-PEO non-PEO | | |
Compensation Actually Paid vs. Company Selected Measure [Text Block] | Compensation Actually Paid and Net Adjusted Income As demonstrated by the following graph, the average amount of compensation actually paid to to Pedro Azagra Blázquez (First PEO), Dennis Arriola (Second PEO), and James Torgerson (Third PEO), and the average amount of compensation actually paid to the non-PEO non-PEO | | |
Total Shareholder Return Vs Peer Group [Text Block] | Cumulative TSR of Avangrid and Cumulative TSR of the Peer Group As demonstrated by the following graph, Avangrid’s cumulative TSR underperformed compared to the S&P 500 Index in each fiscal year. For more information regarding Avangrid’s performance and the companies that the compensation and nominating committee considers when determining compensation, refer to the section titled “ Compensation Discussion and Analysis .” | | |
Tabular List [Table Text Block] | Tabular List of Most Important Financial Performance Measures The financial performance measures that we believe are the most important financial performance measures used to link NEO compensation to company performance in addition to adjusted net income. For more information, refer to the section titled “ Compensation Discussion and Analysis . S-K Compensation Discussion and Analysis . 3 to 7 Most Important Measures for Determining NEO Pay Measure 1 Adjusted Net Income Measure 2 Customer (System Reliability) Measure 3 Health and Safety Measure 4 Renewables Onshore/Offshore Growth Measure 5 Increased Sustainable Supplier Base | | |
Total Shareholder Return Amount | $ 94 | 105 | 92 |
Peer Group Total Shareholder Return Amount | 120 | 118 | 100 |
Net Income (Loss) | $ 881,000,000 | $ 707,000,000 | $ 581,000,000 |
Company Selected Measure Amount | 901,000,000 | 780,000,000 | 625,000,000 |
Measure [Axis]: 1 | | | |
Pay vs Performance Disclosure [Table] | | | |
Measure Name | Adjusted Net Income | | |
Non-GAAP Measure Description [Text Block] | In addition to adjusted net income, Avangrid also considers the following to be the most important measures for determining NEO pay: customer (system reliability), health and safety, renewables onshore/offshore growth, and increased sustainable supplier base. | | |
Measure [Axis]: 2 | | | |
Pay vs Performance Disclosure [Table] | | | |
Measure Name | Customer (System Reliability) | | |
Measure [Axis]: 3 | | | |
Pay vs Performance Disclosure [Table] | | | |
Measure Name | Health and Safety | | |
Measure [Axis]: 4 | | | |
Pay vs Performance Disclosure [Table] | | | |
Measure Name | Renewables Onshore/Offshore Growth | | |
Measure [Axis]: 5 | | | |
Pay vs Performance Disclosure [Table] | | | |
Measure Name | Increased Sustainable Supplier Base | | |
First PEO [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
PEO Total Compensation Amount | $ 4,849,985 | $ 0 | $ 0 |
PEO Actually Paid Compensation Amount | $ 4,540,112 | 0 | 0 |
PEO Name | Pedro Azagra Blázquez | | |
Second PEO [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
PEO Total Compensation Amount | $ 2,999,632 | 12,557,063 | 1,779,329 |
PEO Actually Paid Compensation Amount | $ 2,999,632 | $ 4,844,563 | $ 1,779,329 |
PEO Name | Dennis Arriola | Dennis Arriola | Dennis Arriola |
Third PEO [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
PEO Total Compensation Amount | | | $ 1,225,293 |
PEO Actually Paid Compensation Amount | | | $ 1,018,238 |
PEO Name | | | James Torgerson |
PEO [Member] | First PEO [Member] | Reported Value of Equity Awards [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | $ (2,690,619) | | |
PEO [Member] | First PEO [Member] | Equity Award Adjustments [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | 2,380,745 | | |
PEO [Member] | First PEO [Member] | Year End Fair Value of Equity Awards Granted in the Year and that are Unvested [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | 2,380,745 | | |
PEO [Member] | Second PEO [Member] | Reported Value of Equity Awards [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | (842,800) | $ (8,650,325) | |
PEO [Member] | Second PEO [Member] | Equity Award Adjustments [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | 842,800 | 937,825 | |
PEO [Member] | Second PEO [Member] | 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 | 842,800 | 937,825 | |
PEO [Member] | Third PEO [Member] | Equity Award Adjustments [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | | | $ (207,055) |
PEO [Member] | Third PEO [Member] | Year Over Year Change in Fair Value of Equity Awards Granted in Prior Years that are Unvested [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | | | (97,163) |
PEO [Member] | Third PEO [Member] | 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 | | | (109,892) |
Non-PEO NEO [Member] | Reported Value of Equity Awards [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | (55,971) | (1,950,600) | (663,910) |
Non-PEO NEO [Member] | Equity Award Adjustments [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | (223,644) | 1,693,131 | 476,131 |
Non-PEO NEO [Member] | Reported Change in the Actuarial Present Value of Pension Benefits [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | | (76,585) | (608,155) |
Non-PEO NEO [Member] | Pension Benefit Adjustments [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | 23,427 | 50,724 | 44,038 |
Non-PEO NEO [Member] | Year End Fair Value of Equity Awards Granted in the Year and that are Unvested [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | 45,570 | 1,664,989 | 319,943 |
Non-PEO NEO [Member] | Year Over Year Change in Fair Value of Equity Awards Granted in Prior Years that are Unvested [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | (186,426) | 23,296 | (15,162) |
Non-PEO NEO [Member] | 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 | 5,476 | | 189,381 |
Non-PEO NEO [Member] | 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 | (9,728) | $ 4,845 | $ (18,031) |
Non-PEO NEO [Member] | Prior Year End Fair Value of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] | | | |
Pay vs Performance Disclosure [Table] | | | |
Adjustment to Compensation Amount | $ (78,535) | | |