XML 74 R2.htm IDEA: XBRL DOCUMENT
v3.24.1

Pay vs Performance Disclosure | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table |  | SEC PAY VERSUS PERFORMANCE DISCLOSURE The following table sets forth information regarding the relationship between compensation actually paid to our named executive officers, as defined in the Securities and Exchange Commission rules, and the financial performance of the company.
Year | Summary Compensation Table Total for Terry K. Spencer 2 | Compensation Actually Paid to Terry K. Spencer 1,2 | Summary Compensation Table Total for Pierce H. Norton II 3 | Compensation Actually Paid to Pierce H. Norton II 1,2 | Average Summary Compensation Table Total for Non-PEO NEOs 4 | Average Compensation Actually Paid to Non-PEO NEOs 1,4 | Value of Initial Fixed $100 Investment Based on: | Net Income | Earnings Per Share
Total Shareholder Return 5 | Peer Group Total Shareholder Return 5,6
2023 | $— | $— | $9,547,574 | $6,585,820 | $3,650,976 | $2,575,822 | $125.62 | $149.92 | $2,658,934,437 | $5.48
2022 | $— | $— | $8,139,024 | $7,369,578 | $3,040,323 | $1,844,648 | $111.01 | $130.13 | $1,722,221,246 | $3.84
2021 | $9,287,113 | $5,136,261 | $7,246,578 | $8,150,397 | $3,163,660 | $5,392,850 | $93.37 | $109.74 | $1,499,706,012 | $3.35
2020 | $10,143,927 | $(5,589,662) | $— | $— | $2,525,762 | $(1,426,729) | $56.64 | $76.18 | $612,808,674 | $1.42
​1 The following table sets forth amounts that were deducted from, and added to, the Summary Compensation Table total compensation amounts to calculate the compensation actually paid amounts. ​2 Mr. Spencer retired as our President and Chief Executive Officer, effective June 28, 2021, and retired as an advisor to the President and Chief Executive Officer and from the Board, effective September 30, 2021. ​3 Mr. Norton was appointed by the Board as Mr. Spencer’s successor, effective June 28, 2021. ​4 Our named executive officers whose compensation amounts are included in the Non-PEO average are Walter H. Hulse, Kevin L. Burdick, Sheridan C. Swords and Robert F. Martinovich for 2020, 2021 and 2022. For 2023, the named executive officers included in the Non-PEO average are Walter H. Hulse, Kevin L. Burdick, Sheridan C. Swords, Charles M. Kelley, and Stephen B. Allen. ​5 TSR is calculated from December 31, 2019 to the end of the applicable fiscal year. ​6 Peer Group TSR is the Alerian Midstream Energy Select Index. |  |  |
Company Selected Measure Name |  | Earnings Per Share |  |  |
Named Executive Officers, Footnote |  | Our named executive officers whose compensation amounts are included in the Non-PEO average are Walter H. Hulse, Kevin L. Burdick, Sheridan C. Swords and Robert F. Martinovich for 2020, 2021 and 2022. For 2023, the named executive officers included in the Non-PEO average are Walter H. Hulse, Kevin L. Burdick, Sheridan C. Swords, Charles M. Kelley, and Stephen B. Allen. |  |  |
Peer Group Issuers, Footnote |  | Peer Group TSR is the Alerian Midstream Energy Select Index. |  |  |
Non-PEO NEO Average Total Compensation Amount | [1] | $ 3,650,976 | $ 3,040,323 | $ 3,163,660 | $ 2,525,762
Non-PEO NEO Average Compensation Actually Paid Amount | [1],[2] | $ 2,575,822 | 1,844,648 | 5,392,850 | (1,426,729)
Adjustment to Non-PEO NEO Compensation Footnote |  |
|  | 2023
Description |  | Pierce H. Norton II | Non-PEO NEO Average
Deduction for Grant-Date Fair Value of stock awards granted during applicable year reported under the “Stock Awards” column of the Summary Compensation Table |  | $(6,274,485) | $(1,832,166)
Increase for year-end fair value of equity awards granted during the applicable fiscal year that are outstanding and unvested as of the end of the covered fiscal year b,c |  | $5,379,573 | $1,380,176
Increase for awards that are granted and vest in the same covered fiscal year, the fair value as of the vesting date c |  | — | —
Increase/deduction for change as of the end of the covered fiscal year (from the end of the prior fiscal year) in fair value of awards granted in prior years that are outstanding and unvested as of the end of the covered fiscal year b,c |  | $(2,023,268) | $(325,616)
Increase/deduction for awards granted in prior years that vest in the covered fiscal year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value b,c |  | $(43,574) | $37,128
Deduction for the fair value amount at the end of the prior fiscal year for awards granted in prior years that fail to meet the applicable vesting conditions during the covered fiscal year b,c,d |  | — | $(140,123)
Deduction for change in actuarial present value reported under the “Change in Pension Value” column of the Summary Compensation Table for applicable fiscal year |  | — | $(266,669)
Increase for actuarially determined service cost for pension plans a |  | — | $72,115
Total Adjustments |  | $(2,961,754) | $(1,075,154)
​a Includes service cost for pension and SERP retirement plans. There was no prior service cost for 2020, 2021, or 2022. ​b Dividend equivalents are accrued in the form of restricted stock units or performance units, as applicable, over the term of the vesting period and are paid when the awards vest. Dividends (and corresponding dividend equivalents) are reflected in the fair value of the applicable award. ​c Fair value is calculated pursuant to ASC 718. ​d 2023 reflects the average of the fair value as of December 31, 2023, of 598 RSUs and 2,386 PSUs granted on February 17, 2021, 1,611 RSUs and 6,014 PSUs granted on February 23, 2022, and 2,753 RSUs and 10,679 PSUs granted February 22, 2023, that were cancelled October 1, 2023, due to Mr. Allen’s retirement. |  |  |
Compensation Actually Paid vs. Total Shareholder Return |  | COMPENSATION ACTUALLY PAID VERSUS TOTAL SHAREHOLDER RETURN |  |  |
Compensation Actually Paid vs. Net Income |  | COMPENSATION ACTUALLY PAID VERSUS NET INCOME |  |  |
Compensation Actually Paid vs. Company Selected Measure |  | COMPENSATION ACTUALLY PAID VERSUS NET INCOME |  |  |
Tabular List, Table |  | Pay Versus Performance Tabular List of Most Important Financial Performance Measures We believe the following performance measures represent the most important performance measures used by us to link compensation actually paid to our named executive officers for the fiscal year ended December 31, 2023: ● Earnings Per Share ● Return on Invested Capital ● Relative TSR Percentile |  |  |
Total Shareholder Return Amount | [3] | $ 125.62 | 111.01 | 93.37 | 56.64
Peer Group Total Shareholder Return Amount | [3],[4] | 149.92 | 130.13 | 109.74 | 76.18
Net Income (Loss) |  | $ 2,658,934,437 | $ 1,722,221,246 | $ 1,499,706,012 | $ 612,808,674
Company Selected Measure Amount |  | 5.48 | 3.84 | 3.35 | 1.42
Adjustment to Compensation, Amount |  | $ (1,075,154) |  |  |
PEO Name |  | Mr. Spencer |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name |  | Earnings Per Share |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name |  | Return on Invested Capital |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name |  | Relative TSR Percentile |  |  |
Terry K. Spencer [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | [5] |  |  | $ 9,287,113 | $ 10,143,927
PEO Actually Paid Compensation Amount | [2],[5] |  |  | 5,136,261 | (5,589,662)
Pierce H. Norton II [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | [6] | 9,547,574 | 8,139,024 | 7,246,578 |
PEO Actually Paid Compensation Amount | [2],[5] | 6,585,820 | $ 7,369,578 | $ 8,150,397 |
Adjustment to Compensation, Amount |  | (2,961,754) |  |  |
Pierce H. Norton II [Member] | Deduction for Grant-Date Fair Value of stock awards granted during applicable year reported under the “Stock Awards” column of the Summary Compensation Table [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  | (6,274,485) |  |  |
Pierce H. Norton II [Member] | Increase for year-end fair value of equity awards granted during the applicable fiscal year that are outstanding and unvested as of the end of the covered fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8] | 5,379,573 |  |  |
Pierce H. Norton II [Member] | Increase for awards that are granted and vest in the same covered fiscal year, the fair value as of the vesting date [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [8] |  |  |  |
Pierce H. Norton II [Member] | Increase/deduction for change as of the end of the covered fiscal year (from the end of the prior fiscal year) in fair value of awards granted in prior years that are outstanding and unvested as of the end of the covered fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8] | (2,023,268) |  |  |
Pierce H. Norton II [Member] | Increase/deduction for awards granted in prior years that vest in the covered fiscal year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8] | (43,574) |  |  |
Pierce H. Norton II [Member] | Deduction for the fair value amount at the end of the prior fiscal year for awards granted in prior years that fail to meet the applicable vesting conditions during the covered fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8],[9] |  |  |  |
Pierce H. Norton II [Member] | Deduction for change in actuarial present value reported under the “Change in Pension Value” column of the Summary Compensation Table for applicable fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
Pierce H. Norton II [Member] | Increase for actuarially determined service cost for pension plans [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [10] |  |  |  |
Non-PEO NEO Average [Member] | Deduction for Grant-Date Fair Value of stock awards granted during applicable year reported under the “Stock Awards” column of the Summary Compensation Table [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  | (1,832,166) |  |  |
Non-PEO NEO Average [Member] | Increase for year-end fair value of equity awards granted during the applicable fiscal year that are outstanding and unvested as of the end of the covered fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8] | 1,380,176 |  |  |
Non-PEO NEO Average [Member] | Increase for awards that are granted and vest in the same covered fiscal year, the fair value as of the vesting date [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [8] |  |  |  |
Non-PEO NEO Average [Member] | Increase/deduction for change as of the end of the covered fiscal year (from the end of the prior fiscal year) in fair value of awards granted in prior years that are outstanding and unvested as of the end of the covered fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8] | (325,616) |  |  |
Non-PEO NEO Average [Member] | Increase/deduction for awards granted in prior years that vest in the covered fiscal year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8] | 37,128 |  |  |
Non-PEO NEO Average [Member] | Deduction for the fair value amount at the end of the prior fiscal year for awards granted in prior years that fail to meet the applicable vesting conditions during the covered fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [7],[8],[9] | (140,123) |  |  |
Non-PEO NEO Average [Member] | Deduction for change in actuarial present value reported under the “Change in Pension Value” column of the Summary Compensation Table for applicable fiscal year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  | (266,669) |  |  |
Non-PEO NEO Average [Member] | Increase for actuarially determined service cost for pension plans [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | [10] | $ 72,115 |  |  |
[1] | Our named executive officers whose compensation amounts are included in the Non-PEO average are Walter H. Hulse, Kevin L. Burdick, Sheridan C. Swords and Robert F. Martinovich for 2020, 2021 and 2022. For 2023, the named executive officers included in the Non-PEO average are Walter H. Hulse, Kevin L. Burdick, Sheridan C. Swords, Charles M. Kelley, and Stephen B. Allen.
[2] | The following table sets forth amounts that were deducted from, and added to, the Summary Compensation Table total compensation amounts to calculate the compensation actually paid amounts.
[3] | TSR is calculated from December 31, 2019 to the end of the applicable fiscal year.
[4] | Peer Group TSR is the Alerian Midstream Energy Select Index.
[5] | Mr. Spencer retired as our President and Chief Executive Officer, effective June 28, 2021, and retired as an advisor to the President and Chief Executive Officer and from the Board, effective September 30, 2021.
[6] | Mr. Norton was appointed by the Board as Mr. Spencer’s successor, effective June 28, 2021.
[7] | Dividend equivalents are accrued in the form of restricted stock units or performance units, as applicable, over the term of the vesting period and are paid when the awards vest. Dividends (and corresponding dividend equivalents) are reflected in the fair value of the applicable award.
[8] | Fair value is calculated pursuant to ASC 718.
[9] | 2023 reflects the average of the fair value as of December 31, 2023, of 598 RSUs and 2,386 PSUs granted on February 17, 2021, 1,611 RSUs and 6,014 PSUs granted on February 23, 2022, and 2,753 RSUs and 10,679 PSUs granted February 22, 2023, that were cancelled October 1, 2023, due to Mr. Allen’s retirement.
[10] | Includes service cost for pension and SERP retirement plans. There was no prior service cost for 2020, 2021, or 2022.

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToNonPeoNeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupIssuersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 6 + Details
Name: | ecd_TabularListTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482765/220-10-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-4 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-10 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-7 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(9)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(1)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 20: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B Reference 32: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 34: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-7 Reference 35: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 36: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1A Reference 37: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1B Reference 38: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 39: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=oke_TerryKSpencerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=oke_PierceHNortonIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_DeductionForGrantDateFairValueOfStockAwardsGrantedDuringApplicableYearReportedUnderTheStockAwardsColumnOfTheSummaryCompensationTableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_IncreaseForYearendFairValueOfEquityAwardsGrantedDuringTheApplicableFiscalYearThatAreOutstandingAndUnvestedAsOfTheEndOfTheCoveredFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_IncreaseForAwardsThatAreGrantedAndVestInTheSameCoveredFiscalYearTheFairValueAsOfTheVestingDateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_IncreasedeductionForChangeAsOfTheEndOfTheCoveredFiscalYearfromTheEndOfThePriorFiscalYearInFairValueOfAwardsGrantedInPriorYearsThatAreOutstandingAndUnvestedAsOfTheEndOfTheCoveredFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_IncreasedeductionForAwardsGrantedInPriorYearsThatVestInTheCoveredFiscalYearTheAmountEqualToTheChangeAsOfTheVestingDatefromTheEndOfThePriorFiscalYearInFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_DeductionForTheFairValueAmountAtTheEndOfThePriorFiscalYearForAwardsGrantedInPriorYearsThatFailToMeetTheApplicableVestingConditionsDuringTheCoveredFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_DeductionForChangeInActuarialPresentValueReportedUnderTheChangeInPensionValueColumnOfTheSummaryCompensationTableForApplicableFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=oke_IncreaseForActuariallyDeterminedServiceCostForPensionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=oke_NonPEONEOAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |