| Schedule of Condensed Balance Sheet [Table Text Block] |
Condensed Consolidating Balance Sheet as of March 31, 2014 (In Millions) (Unaudited) | | | | | | | | | | | | | | | | | | | | | | Parent Guarantor | | Subsidiary Issuers | | Non-guarantor Subsidiaries | | Eliminations | | Consolidated KMI | ASSETS | | | | | | | | | | Cash and cash equivalents | $ | 56 |
| | $ | — |
| | $ | 457 |
| | $ | — |
| | $ | 513 |
| All other current assets | 642 |
| | 3 |
| | 2,826 |
| | (322 | ) | | 3,149 |
| Property, plant and equipment, net | 25 |
| | — |
| | 36,927 |
| | — |
| | 36,952 |
| Investments | — |
| | — |
| | 5,962 |
| | — |
| | 5,962 |
| Investments in affiliates | 20,437 |
| | 6,151 |
| | — |
| | (26,588 | ) | | — |
| Goodwill | — |
| | 8,062 |
| | 16,501 |
| | — |
| | 24,563 |
| Notes receivable from affiliates | — |
| | — |
| | 1,993 |
| | (1,993 | ) | | — |
| Other non-current assets | 208 |
| | 844 |
| | 4,679 |
| | (816 | ) | | 4,915 |
| Total assets | $ | 21,368 |
| | $ | 15,060 |
| | $ | 69,345 |
| | $ | (29,719 | ) | | $ | 76,054 |
| | | | | | | | | | | LIABILITIES AND STOCKHOLDERS’ EQUITY | | | | | | | | | | Liabilities | | | | | | | | | | Current portion of debt | $ | 660 |
| | $ | 317 |
| | $ | 1,435 |
| | $ | — |
| | $ | 2,412 |
| All other current liabilities | 247 |
| | 124 |
| | 3,607 |
| | (322 | ) | | 3,656 |
| Long-term debt | 3,117 |
| | 3,987 |
| | 27,695 |
| | — |
| | 34,799 |
| Notes payable to affiliates | 1,993 |
| | — |
| | — |
| | (1,993 | ) | | — |
| Deferred income taxes | 2,295 |
| | — |
| | 3,120 |
| | (816 | ) | | 4,599 |
| Other long-term liabilities and deferred credits | 256 |
| | 71 |
| | 1,827 |
| | — |
| | 2,154 |
| Total liabilities | 8,568 |
| | 4,499 |
| | 37,684 |
| | (3,131 | ) | | 47,620 |
| | | | | | | | | | | Stockholders’ equity | | | | | | | | | | Total KMI equity | 12,800 |
| | 10,561 |
| | 15,603 |
| | (26,164 | ) | | 12,800 |
| Noncontrolling interests | — |
| | — |
| | 16,058 |
| | (424 | ) | | 15,634 |
| Total stockholders’ equity | 12,800 |
| | 10,561 |
| | 31,661 |
| | (26,588 | ) | | 28,434 |
| Total liabilities and stockholders’ equity | $ | 21,368 |
| | $ | 15,060 |
| | $ | 69,345 |
| | $ | (29,719 | ) | | $ | 76,054 |
|
Condensed Consolidating Balance Sheet as of December 31, 2013 (In Millions)
| | | | | | | | | | | | | | | | | | | | | | Parent Guarantor | | Subsidiary Issuers | | Non-guarantor Subsidiaries | | Eliminations | | Consolidated KMI | ASSETS | | | | | | | | | | Cash and cash equivalents | $ | 83 |
| | $ | — |
| | $ | 515 |
| | $ | — |
| | $ | 598 |
| All other current assets | 945 |
| | 38 |
| | 2,763 |
| | (476 | ) | | 3,270 |
| Property, plant and equipment, net | 10 |
| | — |
| | 35,837 |
| | — |
| | 35,847 |
| Investments | — |
| | — |
| | 5,951 |
| | — |
| | 5,951 |
| Investments in affiliates | 20,336 |
| | 6,651 |
| | — |
| | (26,987 | ) | | — |
| Goodwill | — |
| | 8,062 |
| | 16,442 |
| | — |
| | 24,504 |
| Notes receivable from affiliates | — |
| | — |
| | 1,993 |
| | (1,993 | ) | | — |
| Other non-current assets | 227 |
| | 841 |
| | 4,759 |
| | (812 | ) | | 5,015 |
| Total assets | $ | 21,601 |
| | $ | 15,592 |
| | $ | 68,260 |
| | $ | (30,268 | ) | | $ | 75,185 |
| | | | | | | | | | | LIABILITIES AND STOCKHOLDERS’ EQUITY | | | | | | | | | | Liabilities | | | | | | | | | | Current portion of debt | $ | 175 |
| | $ | 400 |
| | $ | 1,731 |
| | $ | — |
| | $ | 2,306 |
| All other current liabilities | 228 |
| | 135 |
| | 3,882 |
| | (476 | ) | | 3,769 |
| Long-term debt | 3,371 |
| | 3,999 |
| | 26,517 |
| | — |
| | 33,887 |
| Notes payable to affiliates | 1,993 |
| | — |
| | — |
| | (1,993 | ) | | — |
| Deferred income taxes | 2,426 |
| | — |
| | 3,037 |
| | (812 | ) | | 4,651 |
| Other long term liabilities and deferred credits | 315 |
| | 69 |
| | 1,903 |
| | — |
| | 2,287 |
| Total liabilities | 8,508 |
| | 4,603 |
| | 37,070 |
| | (3,281 | ) | | 46,900 |
| | | | | | | | | | | Stockholders’ equity | | | | | | | | | | Total KMI equity | 13,093 |
| | 10,989 |
| | 15,596 |
| | (26,585 | ) | | 13,093 |
| Noncontrolling interests | — |
| | — |
| | 15,594 |
| | (402 | ) | | 15,192 |
| Total stockholders’ equity | 13,093 |
| | 10,989 |
| | 31,190 |
| | (26,987 | ) | | 28,285 |
| Total liabilities and stockholders’ equity | $ | 21,601 |
| | $ | 15,592 |
| | $ | 68,260 |
| | $ | (30,268 | ) | | $ | 75,185 |
|
|
| Schedule of Condensed Income Statement [Table Text Block] |
Condensed Consolidating Statement of Income for the Three Months Ended March 31, 2014 (In Millions) (Unaudited) | | | | | | | | | | | | | | | | | | | | | | Parent Guarantor | | Subsidiary Issuers | | Non-guarantor Subsidiaries | | Eliminations | | Consolidated KMI | Revenues | $ | 9 |
| | $ | — |
| | $ | 4,048 |
| | $ | (10 | ) | | $ | 4,047 |
| | | | | | | | | | | Costs, expenses and other | | | | | | | | | | Costs of sales | — |
| | — |
| | 1,643 |
| | — |
| | 1,643 |
| Depreciation, depletion and amortization | — |
| | — |
| | 496 |
| | — |
| | 496 |
| Other operating expenses | 8 |
| | — |
| | 763 |
| | (10 | ) | | 761 |
| Total costs, expenses and other | 8 |
| | — |
| | 2,902 |
| | (10 | ) | | 2,900 |
| | | | | | | | | | | Operating income | 1 |
| | — |
| | 1,146 |
| | — |
| | 1,147 |
| | | | | | | | | | | Other income (expense) | | | | | | | | | | Earnings from equity investments | 345 |
| | 127 |
| | 99 |
| | (472 | ) | | 99 |
| Interest, net | (73 | ) | | (65 | ) | | (310 | ) | | — |
| | (448 | ) | Amortization of excess cost of equity investments and other, net | 1 |
| | — |
| | 2 |
| | — |
| | 3 |
| | | | | | | | | | | Income from continuing operations before income taxes | 274 |
| | 62 |
| | 937 |
| | (472 | ) | | 801 |
| | | | | | | | | | | Income tax benefit (expense) | 13 |
| | (13 | ) | | (200 | ) | | — |
| | (200 | ) | | | | | | | | | | | Net income | 287 |
| | 49 |
| | 737 |
| | (472 | ) | | 601 |
| | | | | | | | | | | Net income attributable to noncontrolling interests | — |
| | — |
| | (331 | ) | | 17 |
| | (314 | ) | | | | | | | | | | | Net income attributable to controlling interests | $ | 287 |
| | $ | 49 |
| | $ | 406 |
| | $ | (455 | ) | | $ | 287 |
|
Condensed Consolidating Statement of Income for the Three Months Ended March 31, 2013 (In Millions) (Unaudited) | | | | | | | | | | | | | | | | | | | | | | Parent Guarantor | | Subsidiary Issuers | | Non-guarantor Subsidiaries | | Eliminations | | Consolidated KMI | Revenues | $ | 9 |
| | $ | — |
| | $ | 3,058 |
| | $ | (7 | ) | | $ | 3,060 |
| | | | | | | | | | | Costs, expenses and other | | | | | | | | | | Costs of sales | — |
| | — |
| | 970 |
| | — |
| | 970 |
| Depreciation, depletion and amortization | — |
| | — |
| | 415 |
| | — |
| | 415 |
| Other operating expenses | 3 |
| | (3 | ) | | 665 |
| | (7 | ) | | 658 |
| Total costs, expenses and other | 3 |
| | (3 | ) | | 2,050 |
| | (7 | ) | | 2,043 |
| | | | | | | | | | | Operating income | 6 |
| | 3 |
| | 1,008 |
| | — |
| | 1,017 |
| | | | | | | | | | | Other income (expense) | | | | | | | | | | Earnings from equity investments | 339 |
| | 142 |
| | 101 |
| | (481 | ) | | 101 |
| Interest, net | (65 | ) | | (106 | ) | | (231 | ) | | — |
| | (402 | ) | Amortization of excess cost of equity investments, gain on sale of investments and other, net | — |
| | (1 | ) | | 222 |
| | — |
| | 221 |
| | | | | | | | | | | Income from continuing operations before income taxes | 280 |
| | 38 |
| | 1,100 |
| | (481 | ) | | 937 |
| | | | | | | | | | | Income tax benefit (expense) | 12 |
| | — |
| | (291 | ) | | — |
| | (279 | ) | | | | | | | | | | | Income from continuing operations | 292 |
| | 38 |
| | 809 |
| | (481 | ) | | 658 |
| | | | | | | | | | | Loss from discontinued operations, net of tax | — |
| | — |
| | (2 | ) | | — |
| | (2 | ) | | | | | | | | | | | Net income | 292 |
| | 38 |
| | 807 |
| | (481 | ) | | 656 |
| | | | | | | | | | | Net income attributable to noncontrolling interests | — |
| | — |
| | (388 | ) | | 24 |
| | (364 | ) | | | | | | | | | | | Net income attributable to controlling interests | $ | 292 |
| | $ | 38 |
| | $ | 419 |
| | $ | (457 | ) | | $ | 292 |
|
|
| Schedule of Condensed Cash Flow Statement [Table Text Block] |
Condensed Consolidating Statement of Cash Flows for the Three Months Ended March 31, 2014 (In Millions) (Unaudited) | | | | | | | | | | | | | | | | | | | | | | Parent Guarantor | | Subsidiary Issuers | | Non-guarantor Subsidiaries | | Eliminations | | Consolidated KMI | Net cash provided by (used in) operating activities | $ | 526 |
| | $ | (88 | ) | | $ | 1,287 |
| | $ | (607 | ) | | $ | 1,118 |
| | | | | | | | | | | Cash flows from investing activities | | | | | | | | | | Business acquisitions | — |
| | — |
| | (960 | ) | | — |
| | (960 | ) | Acquisitions of other assets and investments | — |
| | — |
| | (30 | ) | | — |
| | (30 | ) | Capital expenditures | (15 | ) | | — |
| | (830 | ) | | — |
| | (845 | ) | Loans to related party | — |
| | — |
| | (17 | ) | | — |
| | (17 | ) | Funding to affiliates | (235 | ) | | (1 | ) | | (43 | ) | | 279 |
| | — |
| Investments in KMP and EPB | (11 | ) | | — |
| | — |
| | 11 |
| | — |
| Contributions to investments | — |
| | — |
| | (36 | ) | | — |
| | (36 | ) | Distributions from equity investments in excess of cumulative earnings | 10 |
| | — |
| | 38 |
| | (10 | ) | | 38 |
| Natural gas storage and natural gas and liquids line-fill | — |
| | — |
| | 21 |
| | — |
| | 21 |
| Other, net | — |
| | — |
| | 10 |
| | — |
| | 10 |
| Net cash (used in) provided by investing activities | (251 | ) | | (1 | ) | | (1,847 | ) | | 280 |
| | (1,819 | ) | | | | | | | | | | | Cash flows from financing activities | | | | | | | | | | Issuance of debt | 643 |
| | — |
| | 4,548 |
| | — |
| | 5,191 |
| Payment of debt | (408 | ) | | (83 | ) | | (3,693 | ) | | — |
| | (4,184 | ) | Funding from affiliates | 39 |
| | 172 |
| | 68 |
| | (279 | ) | | — |
| Debt issuance costs | (2 | ) | | — |
| | (10 | ) | | — |
| | (12 | ) | Cash dividends | (425 | ) | | — |
| | — |
| | — |
| | (425 | ) | Repurchases of shares and warrants | (149 | ) | | — |
| | — |
| | — |
| | (149 | ) | Distributions to parent | — |
| | — |
| | (610 | ) | | 610 |
| | — |
| Contributions from noncontrolling interests | — |
| | — |
| | 688 |
| | (4 | ) | | 684 |
| Distributions to noncontrolling interests | — |
| | — |
| | (479 | ) | | — |
| | (479 | ) | Net cash (used in) provided by financing activities | (302 | ) | | 89 |
| | 512 |
| | 327 |
| | 626 |
| | | | | | | | | | | Effect of exchange rate changes on cash and cash equivalents | — |
| | — |
| | (10 | ) | | — |
| | (10 | ) | | | | | | | | | | | Net decrease in cash and cash equivalents | (27 | ) | | — |
| | (58 | ) | | — |
| | (85 | ) | Cash and cash equivalents, beginning of period | 83 |
| | — |
| | 515 |
| | — |
| | 598 |
| Cash and cash equivalents, end of period | $ | 56 |
| | $ | — |
| | $ | 457 |
| | $ | — |
| | $ | 513 |
|
Condensed Consolidating Statement of Cash Flows for the Three Months Ended March 31, 2013 (In Millions) (Unaudited) | | | | | | | | | | | | | | | | | | | | | | Parent Guarantor | | Subsidiary Issuers | | Non-guarantor Subsidiaries | | Eliminations | | Consolidated KMI | Net cash provided by operating activities | $ | 335 |
| | $ | 21 |
| | $ | 943 |
| | $ | (532 | ) | | $ | 767 |
| | | | | | | | | | | Cash flows from investing activities | | | | | | | | | | Acquisitions of assets and investments | — |
| | — |
| | (4 | ) | | — |
| | (4 | ) | Capital expenditures | (11 | ) | | — |
| | (587 | ) | | — |
| | (598 | ) | Proceeds from sale of investments | — |
| | — |
| | 491 |
| | — |
| | 491 |
| Repayment from related party | — |
| | — |
| | 10 |
| | — |
| | 10 |
| Funding to affiliates | (65 | ) | | (181 | ) | | (167 | ) | | 413 |
| | — |
| Drop down assets to KMP | 988 |
| | — |
| | (988 | ) | | — |
| | — |
| Investments in KMP and EPB | (7 | ) | | (1 | ) | | — |
| | 8 |
| | — |
| Contributions to investments | (6 | ) | | — |
| | (40 | ) | | 6 |
| | (40 | ) | Distributions from equity investments in excess of cumulative earnings | — |
| | — |
| | 37 |
| | — |
| | 37 |
| Natural gas storage and natural gas and liquids line-fill | — |
| | — |
| | 10 |
| | — |
| | 10 |
| Other, net | — |
| | — |
| | (22 | ) | | — |
| | (22 | ) | Net cash provided by (used in) investing activities | 899 |
| | (182 | ) | | (1,260 | ) | | 427 |
| | (116 | ) | | | | | | | | | | | Cash flows from financing activities | | | | | | | | | | Issuance of debt | 520 |
| | — |
| | 2,699 |
| | — |
| | 3,219 |
| Payment of debt | (1,230 | ) | | (50 | ) | | (1,811 | ) | | — |
| | (3,091 | ) | Funding from affiliates | 55 |
| | 166 |
| | 192 |
| | (413 | ) | | — |
| Debt issuance costs | — |
| | — |
| | (7 | ) | | — |
| | (7 | ) | Cash dividends | (384 | ) | | — |
| | — |
| | — |
| | (384 | ) | Repurchases of warrants | (80 | ) | | — |
| | — |
| | — |
| | (80 | ) | Distributions to parent | — |
| | — |
| | (530 | ) | | 530 |
| | — |
| Contributions from noncontrolling interests | — |
| | — |
| | 471 |
| | (6 | ) | | 465 |
| Distributions to noncontrolling interests | — |
| | — |
| | (375 | ) | | — |
| | (375 | ) | Other, net | — |
| | — |
| | 6 |
| | (6 | ) | | — |
| Net cash (used in) provided by financing activities | (1,119 | ) | | 116 |
| | 645 |
| | 105 |
| | (253 | ) | | | | | | | | | | | Effect of exchange rate changes on cash and cash equivalents | — |
| | — |
| | (6 | ) | | — |
| | (6 | ) | | | | | | | | | | | Net increase (decrease) in cash and cash equivalents | 115 |
| | (45 | ) | | 322 |
| | — |
| | 392 |
| Cash and cash equivalents, beginning of period | 3 |
| | 45 |
| | 666 |
| | — |
| | 714 |
| Cash and cash equivalents, end of period | $ | 118 |
| | $ | — |
| | $ | 988 |
| | $ | — |
| | $ | 1,106 |
|
|