XML 129 R108.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | $ 13,647 | $ 18,128 | $ 16,154
Leasing services(d) | 1,368 | 1,302 | 1,266
Derivatives adjustments on commodity sales | 178 | (354) | (923)
Other | 141 | 124 | 113
Total other revenues | 1,687 | 1,072 | 456
Total revenues | 15,334 | 19,200 | 16,610
Firm services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,537 | 4,515 | 4,411
Fee-based services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2,502 | 2,360 | 2,114
Total services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 7,039 | 6,875 | 6,525
Natural gas sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2,724 | 6,340 | 6,480
Product sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3,884 | 4,913 | 3,149
Total commodity sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 6,608 | 11,253 | 9,629
Total revenues | 6,786 | 10,897 | 8,714
Natural Gas Pipelines |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | 9,152 | 12,659 | 11,644
Products Pipelines |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | 3,066 | 3,418 | 2,245
Terminals |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | 1,911 | 1,789 | 1,712
CO2 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | 1,205 | 1,334 | 1,009
Operating Segments | Natural Gas Pipelines |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 8,312 | 12,172 | 11,871
Leasing services(d) | 475 | 474 | 473
Derivatives adjustments on commodity sales | 285 | (26) | (700)
Other | 96 | 66 | 65
Total other revenues | 856 | 514 | (162)
Total revenues | 9,168 | 12,686 | 11,709
Operating Segments | Natural Gas Pipelines | Firm services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3,543 | 3,547 | 3,402
Operating Segments | Natural Gas Pipelines | Fee-based services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,008 | 926 | 746
Operating Segments | Natural Gas Pipelines | Total services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,551 | 4,473 | 4,148
Operating Segments | Natural Gas Pipelines | Natural gas sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2,651 | 6,266 | 6,463
Operating Segments | Natural Gas Pipelines | Product sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,110 | 1,433 | 1,260
Operating Segments | Natural Gas Pipelines | Total commodity sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3,761 | 7,699 | 7,723
Operating Segments | Products Pipelines |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2,842 | 3,201 | 2,053
Leasing services(d) | 200 | 194 | 172
Derivatives adjustments on commodity sales | 0 | (3) | (1)
Other | 24 | 26 | 21
Total other revenues | 224 | 217 | 192
Total revenues | 3,066 | 3,418 | 2,245
Operating Segments | Products Pipelines | Firm services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 171 | 207 | 259
Operating Segments | Products Pipelines | Fee-based services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,036 | 962 | 949
Operating Segments | Products Pipelines | Total services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,207 | 1,169 | 1,208
Operating Segments | Products Pipelines | Natural gas sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 | 0 | 0
Operating Segments | Products Pipelines | Product sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,635 | 2,032 | 845
Operating Segments | Products Pipelines | Total commodity sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,635 | 2,032 | 845
Operating Segments | Terminals |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,279 | 1,218 | 1,150
Leasing services(d) | 638 | 574 | 565
Derivatives adjustments on commodity sales | 0 | 0 | 0
Other | 0 | 0 | 0
Total other revenues | 638 | 574 | 565
Total revenues | 1,917 | 1,792 | 1,715
Operating Segments | Terminals | Firm services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 819 | 763 | 751
Operating Segments | Terminals | Fee-based services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 427 | 426 | 375
Operating Segments | Terminals | Total services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,246 | 1,189 | 1,126
Operating Segments | Terminals | Natural gas sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 | 0 | 0
Operating Segments | Terminals | Product sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 33 | 29 | 24
Operating Segments | Terminals | Total commodity sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 33 | 29 | 24
Operating Segments | CO2 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,240 | 1,567 | 1,148
Leasing services(d) | 55 | 60 | 56
Derivatives adjustments on commodity sales | (107) | (325) | (222)
Other | 21 | 32 | 27
Total other revenues | (31) | (233) | (139)
Total revenues | 1,209 | 1,334 | 1,009
Operating Segments | CO2 | Firm services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1 | 1 | 1
Operating Segments | CO2 | Fee-based services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 40 | 46 | 45
Operating Segments | CO2 | Total services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 41 | 47 | 46
Operating Segments | CO2 | Natural gas sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 85 | 94 | 32
Operating Segments | CO2 | Product sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,114 | 1,426 | 1,070
Operating Segments | CO2 | Total commodity sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,199 | 1,520 | 1,102
Corporate and Eliminations |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (26) | (30) | (68)
Leasing services(d) | 0 | 0 | 0
Derivatives adjustments on commodity sales | 0 | 0 | 0
Other | 0 | 0 | 0
Total other revenues | 0 | 0 | 0
Total revenues | (26) | (30) | (68)
Corporate and Eliminations | Firm services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3 | (3) | (2)
Corporate and Eliminations | Fee-based services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (9) | 0 | (1)
Corporate and Eliminations | Total services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (6) | (3) | (3)
Corporate and Eliminations | Natural gas sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (12) | (20) | (15)
Corporate and Eliminations | Product sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (8) | (7) | (50)
Corporate and Eliminations | Total commodity sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | $ (20) | $ (27) | $ (65)

X
- Definition Revenues from Derivatives Adjustments + References No definition available. + Details
Name: | kmi_RevenuesFromDerivativesAdjustments
Namespace Prefix: | kmi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479016/842-30-45-3 + Details
Name: | us-gaap_OperatingLeaseLeaseIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue that is not accounted for under Topic 606. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_RevenueNotFromContractWithCustomer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue that is not accounted for under Topic 606, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)(e)) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_RevenueNotFromContractWithCustomerOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + 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 S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 5: 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 6: 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 7: 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 8: 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 9: 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 10: 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 11: 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 12: 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 13: 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 14: 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 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-05(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479557/942-235-S99-1 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=kmi_FirmServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=kmi_FeebasedservicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=kmi_NaturalGasSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=kmi_ProductOtherThanNaturalGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ProductMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=kmi_NaturalGasPipelinesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=kmi_ProductsPipelinesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=kmi_TerminalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=kmi_Co2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |