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Guarantee of Securities of Subsidiaries Income Statement and Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Guarantor Obligations [Line Items] |  |  |
Total Revenues | $ 14,144 | $ 13,705 | $ 13,058
Costs of sales | 4,421 | 4,345 | 3,429
Depreciation, depletion and amortization | 2,297 | 2,261 | 2,209
Other operating expenses | (3) | (1) | (1)
Total Operating Costs, Expenses and Other | 10,350 | 10,176 | 9,520
Operating Income | 3,794 | 3,529 | 3,538
Earnings from equity investments | 887 | 578 | 497
Interest, net | (1,917) | (1,832) | (1,806)
Amortization of excess cost of equity investments and other, net | 107 | 97 | 78
Income Before Income Taxes | 2,506 | 2,161 | 1,638
Income Tax Expense | (587) | (1,938) | (917)
Net Income | 1,919 | 223 | 721
Net Income Attributable to Noncontrolling Interests | (310) | (40) | (13)
Net Income Attributable to Kinder Morgan, Inc. | 1,609 | 183 | 708
Preferred Stock Dividends | (128) | (156) | (156)
Net Income Available to Common Stockholders | 1,481 | 27 | 552
Total other comprehensive (loss) income | 338 | 115 | (200)
Comprehensive income | 2,257 | 338 | 521
Comprehensive income attributable to noncontrolling interests | (328) | (86) | (13)
Comprehensive income attributable to KMI | 1,929 | 252 | 508
Parent Issuer and Guarantor |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 0 | 35 | 34
Costs of sales | 0 | 0 | 0
Depreciation, depletion and amortization | 19 | 16 | 18
Other operating expenses | (39) | 78 | 758
Total Operating Costs, Expenses and Other | (20) | 94 | 776
Operating Income | 20 | (59) | (742)
Earnings from consolidated subsidiaries | 2,760 | 3,575 | 2,948
Earnings from equity investments | 0 | 0 | 0
Interest, net | (780) | (701) | (696)
Amortization of excess cost of equity investments and other, net | 27 | 2 | 33
Income Before Income Taxes | 2,027 | 2,817 | 1,543
Income Tax Expense | (418) | (2,634) | (835)
Net Income | 1,609 | 183 | 708
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 1,609 | 183 | 708
Preferred Stock Dividends | (128) | (156) | (156)
Net Income Available to Common Stockholders | 1,481 | 27 | 552
Total other comprehensive (loss) income | 320 | 69 | (200)
Comprehensive income | 1,929 | 252 | 508
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 1,929 | 252 | 508
Subsidiary Issuer and Guarantor - KMP |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 0 | 0 | 0
Costs of sales | 0 | 0 | 0
Depreciation, depletion and amortization | 0 | 0 | 0
Other operating expenses | 1 | 1 | (36)
Total Operating Costs, Expenses and Other | 1 | 1 | (36)
Operating Income | (1) | (1) | 36
Earnings from consolidated subsidiaries | 2,533 | 2,681 | 2,802
Earnings from equity investments | 0 | 0 | 0
Interest, net | (8) | 7 | 90
Amortization of excess cost of equity investments and other, net | 0 | 0 | 0
Income Before Income Taxes | 2,524 | 2,687 | 2,928
Income Tax Expense | 68 | (5) | (5)
Net Income | 2,592 | 2,682 | 2,923
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 2,592 | 2,682 | 2,923
Preferred Stock Dividends | 0 | 0 | 0
Net Income Available to Common Stockholders | 2,592 | 2,682 | 2,923
Total other comprehensive (loss) income | 290 | 194 | (341)
Comprehensive income | 2,882 | 2,876 | 2,582
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 2,882 | 2,876 | 2,582
Subsidiary Guarantors |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 12,767 | 12,202 | 11,572
Costs of sales | 4,247 | 4,124 | 3,176
Depreciation, depletion and amortization | 1,971 | 1,933 | 1,872
Other operating expenses | 3,693 | 3,014 | 2,461
Total Operating Costs, Expenses and Other | 9,911 | 9,071 | 7,509
Operating Income | 2,856 | 3,131 | 4,063
Earnings from consolidated subsidiaries | 599 | 419 | 245
Earnings from equity investments | 617 | 428 | (113)
Interest, net | (1,090) | (1,104) | (1,149)
Amortization of excess cost of equity investments and other, net | (18) | 13 | (18)
Income Before Income Taxes | 2,964 | 2,887 | 3,028
Income Tax Expense | (61) | 237 | (33)
Net Income | 2,903 | 3,124 | 2,995
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 2,903 | 3,124 | 2,995
Preferred Stock Dividends | 0 | 0 | 0
Net Income Available to Common Stockholders | 2,903 | 3,124 | 2,995
Total other comprehensive (loss) income | 280 | 217 | (352)
Comprehensive income | 3,183 | 3,341 | 2,643
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 3,183 | 3,341 | 2,643
Subsidiary Non-Guarantors |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 1,526 | 1,614 | 1,511
Costs of sales | 277 | 322 | 266
Depreciation, depletion and amortization | 307 | 312 | 319
Other operating expenses | 23 | 522 | 745
Total Operating Costs, Expenses and Other | 607 | 1,156 | 1,330
Operating Income | 919 | 458 | 181
Earnings from consolidated subsidiaries | 62 | 59 | 58
Earnings from equity investments | 0 | 0 | 0
Interest, net | (39) | (34) | (51)
Amortization of excess cost of equity investments and other, net | 3 | 21 | 4
Income Before Income Taxes | 945 | 504 | 192
Income Tax Expense | (176) | 464 | (44)
Net Income | 769 | 968 | 148
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 769 | 968 | 148
Preferred Stock Dividends | 0 | 0 | 0
Net Income Available to Common Stockholders | 769 | 968 | 148
Total other comprehensive (loss) income | 136 | 160 | 55
Comprehensive income | 905 | 1,128 | 203
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 905 | 1,128 | 203
Consolidated KMI |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 14,144 | 13,705 | 13,058
Costs of sales | 4,421 | 4,345 | 3,429
Depreciation, depletion and amortization | 2,297 | 2,261 | 2,209
Other operating expenses | 3,632 | 3,570 | 3,882
Total Operating Costs, Expenses and Other | 10,350 | 10,176 | 9,520
Operating Income | 3,794 | 3,529 | 3,538
Earnings from consolidated subsidiaries | 0 | 0 | 0
Earnings from equity investments | 617 | 428 | (113)
Interest, net | (1,917) | (1,832) | (1,806)
Amortization of excess cost of equity investments and other, net | 12 | 36 | 19
Income Before Income Taxes | 2,506 | 2,161 | 1,638
Income Tax Expense | (587) | (1,938) | (917)
Net Income | 1,919 | 223 | 721
Net Income Attributable to Noncontrolling Interests | (310) | (40) | (13)
Net Income Attributable to Kinder Morgan, Inc. | 1,609 | 183 | 708
Preferred Stock Dividends | (128) | (156) | (156)
Net Income Available to Common Stockholders | 1,481 | 27 | 552
Total other comprehensive (loss) income | 338 | 115 | (200)
Comprehensive income | 2,257 | 338 | 521
Comprehensive income attributable to noncontrolling interests | (328) | (86) | (13)
Comprehensive income attributable to KMI | 1,929 | 252 | 508
Consolidating Adjustments |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | (149) | (146) | (59)
Costs of sales | (103) | (101) | (13)
Depreciation, depletion and amortization | 0 | 0 | 0
Other operating expenses | (46) | (45) | (46)
Total Operating Costs, Expenses and Other | (149) | (146) | (59)
Operating Income | 0 | 0 | 0
Earnings from consolidated subsidiaries | (5,954) | (6,734) | (6,053)
Earnings from equity investments | 0 | 0 | 0
Interest, net | 0 | 0 | 0
Amortization of excess cost of equity investments and other, net | 0 | 0 | 0
Income Before Income Taxes | (5,954) | (6,734) | (6,053)
Income Tax Expense | 0 | 0 | 0
Net Income | (5,954) | (6,734) | (6,053)
Net Income Attributable to Noncontrolling Interests | (310) | (40) | (13)
Net Income Attributable to Kinder Morgan, Inc. | (6,264) | (6,774) | (6,066)
Preferred Stock Dividends | 0 | 0 | 0
Net Income Available to Common Stockholders | (6,264) | (6,774) | (6,066)
Total other comprehensive (loss) income | (688) | (525) | 638
Comprehensive income | (6,642) | (7,259) | (5,415)
Comprehensive income attributable to noncontrolling interests | (328) | (86) | (13)
Comprehensive income attributable to KMI | $ (6,970) | $ (7,345) | $ (5,428)

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e557-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 + Details
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