| 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 | WILLIAMS COMPANIES, INC. |
| Entity Central Index Key | 0000107263 |
| Pay vs Performance Disclosure Unit_pure in Millions | 12 Months Ended | ||
| Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | PAY VERSUS PERFORMANCE The table below provides additional information related to compensation for our named executive officers as required by Item 402(v) of Regulation S-K. non-PEO ulativ Year Summary ($) Compensation ($) Average Summary (a) Average (a) Value of Initial Fixed (b) Net Income Adjusted (c) Company ($) Bloomberg ($) 2022 $ 13,887,596 $ 36,717,682 $ 4,323,372 $ 9,088,871 $ 170.05 $ 122.58 $ 2,117 $ 6,418 2021 13,759,533 32,332,070 4,036,788 9,626,605 127.92 106.10 1,562 5,635 2020 12,171,958 12,835,709 4,007,220 4,308,244 92.40 79.13 198 5,105 (a) The PEO for the disclosure is our CEO Mr. Armstrong. The non-PEO non-PEO (b) The dollar amount represents the value of an initial $100 investment on December 31, 2019 assuming reinvestment of all dividends. (c) Adjusted EBITDA is a non-GAAP non-GAAP The following tables detail the adjustments to the SCT total compensation value to reach the calculated CAP result. The equity award values are calculated in accordance with FASB ASC Topic 176 for each year-end The PEO calculation of CAP: Year SCT Total Comp Deductions from Deductions from Additions for Additions for CAP 2022 $ 13,887,596 $ (9,300,000 ) $ — $ 31,567,125 $ 562,961 $ 36,717,682 2021 13,759,533 (9,000,015 ) — 26,902,316 670,236 32,332,070 2020 12,171,958 (7,500,010 ) (943,581 ) 8,421,513 685,829 12,835,709 The following details the sources of the CAP additions related to the PE Year Fair Value of Change in Value Change in Value Change in Value Value of Dividends or Equity Value 2022 $ 10,498,900 $ 18,907,561 $ 1,709,315 $ — $ 451,349 $ 31,567,125 2021 10,126,728 16,198,513 332,207 — 244,868 26,902,316 2020 8,504,268 1,767,331 (2,062,071 ) — 211,985 8,421,513 Note: The increased equity value included in CAP in 2021 and 2022 is primarily due to more than a 64 percent increase in the stock price from December 31, 2020 to December 30, 2022 and increases in the estimated performance-based RSU results of outstanding awards. Performance-based RSUs make up the largest component of the PEO’s annual equity award. The Non-PEO lculatio Year SCT Total Comp Deductions from Deductions from Additions for Additions for CAP 2022 $ 4,323,372 $ (2,600,006 ) $ — $ 7,220,623 $ 144,882 $ 9,088,871 2021 4,036,788 (2,275,002 ) (67,160 ) 7,718,867 213,112 9,626,605 2020 4,007,220 (2,350,001 ) (258,967 ) 2,688,674 221,318 4,308,244 The following details the sources of the CAP additions related to the Non-PEO Year Fair Value of Change in Value Change in Value Change in Value Value of Dividends or Equity Value 2022 $ 2,919,316 $ 3,759,353 $ 410,716 $ — $ 131,238 $ 7,220,623 2021 2,546,120 4,926,525 130,284 — 115,938 7,718,867 2020 2,605,503 363,249 (439,842 ) — 159,764 2,688,674 | ||
| Company Selected Measure Name | Adjusted EBITDA | ||
| Named Executive Officers, Footnote [Text Block] | The PEO for the disclosure is our CEO Mr. Armstrong. The non-PEO non-PEO | ||
| PEO Total Compensation Amount | $ 13,887,596 | $ 13,759,533 | $ 12,171,958 |
| PEO Actually Paid Compensation Amount | $ 36,717,682 | 32,332,070 | 12,835,709 |
| Adjustment To PEO Compensation, Footnote [Text Block] | The PEO calculation of CAP: Year SCT Total Comp Deductions from Deductions from Additions for Additions for CAP 2022 $ 13,887,596 $ (9,300,000 ) $ — $ 31,567,125 $ 562,961 $ 36,717,682 2021 13,759,533 (9,000,015 ) — 26,902,316 670,236 32,332,070 2020 12,171,958 (7,500,010 ) (943,581 ) 8,421,513 685,829 12,835,709 The following details the sources of the CAP additions related to the PE Year Fair Value of Change in Value Change in Value Change in Value Value of Dividends or Equity Value 2022 $ 10,498,900 $ 18,907,561 $ 1,709,315 $ — $ 451,349 $ 31,567,125 2021 10,126,728 16,198,513 332,207 — 244,868 26,902,316 2020 8,504,268 1,767,331 (2,062,071 ) — 211,985 8,421,513 Note: The increased equity value included in CAP in 2021 and 2022 is primarily due to more than a 64 percent increase in the stock price from December 31, 2020 to December 30, 2022 and increases in the estimated performance-based RSU results of outstanding awards. Performance-based RSUs make up the largest component of the PEO’s annual equity award. | ||
| Non-PEO NEO Average Total Compensation Amount | $ 4,323,372 | 4,036,788 | 4,007,220 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 9,088,871 | 9,626,605 | 4,308,244 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | The Non-PEO lculatio Year SCT Total Comp Deductions from Deductions from Additions for Additions for CAP 2022 $ 4,323,372 $ (2,600,006 ) $ — $ 7,220,623 $ 144,882 $ 9,088,871 2021 4,036,788 (2,275,002 ) (67,160 ) 7,718,867 213,112 9,626,605 2020 4,007,220 (2,350,001 ) (258,967 ) 2,688,674 221,318 4,308,244 The following details the sources of the CAP additions related to the Non-PEO Year Fair Value of Change in Value Change in Value Change in Value Value of Dividends or Equity Value 2022 $ 2,919,316 $ 3,759,353 $ 410,716 $ — $ 131,238 $ 7,220,623 2021 2,546,120 4,926,525 130,284 — 115,938 7,718,867 2020 2,605,503 363,249 (439,842 ) — 159,764 2,688,674 | ||
| 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] | The four metrics on the following table re present an unra Most Important Performance Metrics in 2022 Adjusted EBITDA Available Funds From Operations (AFFO) Per Share Relative Total Shareholder Return (TSR) Return on Capital Employed (ROCE) | ||
| Total Shareholder Return Amount | $ 170.05 | 127.92 | 92.4 |
| Peer Group Total Shareholder Return Amount | 122.58 | 106.1 | 79.13 |
| Net Income (Loss) | $ 2,117,000,000 | $ 1,562,000,000 | $ 198,000,000 |
| Company Selected Measure Amount | 6,418 | 5,635 | 5,105 |
| PEO Name | Mr. Armstrong | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted EBITDA | ||
| Non-GAAP Measure Description [Text Block] | Adjusted EBITDA is a non-GAAP non-GAAP | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Available Funds From Operations (AFFO) Per Share | ||
| Measure [Axis]: 3 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Relative Total Shareholder Return (TSR) | ||
| Measure [Axis]: 4 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Return on Capital Employed (ROCE) | ||
| PEO [Member] | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | $ 10,498,900 | $ 10,126,728 | $ 8,504,268 |
| PEO [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 18,907,561 | 16,198,513 | 1,767,331 |
| PEO [Member] | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 1,709,315 | 332,207 | (2,062,071) |
| PEO [Member] | Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 451,349 | 244,868 | 211,985 |
| PEO [Member] | Deductions from SCT Total for Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (9,300,000) | (9,000,015) | (7,500,010) |
| PEO [Member] | Deductions from SCT for Pension Benefits [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (943,581) | ||
| PEO [Member] | Additions for Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 31,567,125 | 26,902,316 | 8,421,513 |
| PEO [Member] | Additions for Pension Benefits [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 562,961 | 670,236 | 685,829 |
| Non-PEO NEO [Member] | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 2,919,316 | 2,546,120 | 2,605,503 |
| Non-PEO NEO [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 3,759,353 | 4,926,525 | 363,249 |
| Non-PEO NEO [Member] | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 410,716 | 130,284 | (439,842) |
| Non-PEO NEO [Member] | Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Equity Awards (from Summary Compensation Table) | 131,238 | 115,938 | 159,764 |
| Non-PEO NEO [Member] | Deductions from SCT Total for Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (2,600,006) | (2,275,002) | (2,350,001) |
| Non-PEO NEO [Member] | Deductions from SCT for Pension Benefits [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (67,160) | (258,967) | |
| Non-PEO NEO [Member] | Additions for Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 7,220,623 | 7,718,867 | 2,688,674 |
| Non-PEO NEO [Member] | Additions for Pension Benefits [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 144,882 | $ 213,112 | $ 221,318 |
