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Debt (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 36,593 | $ 36,916
Less: Current portion of debt | 3,388 | 2,828
Long Term Debt Non-current Excluding Debt Fair Value Adjustments | $ 33,205 | $ 34,088
Preferred Stock, Liquidation Preference Per Share | $ 1,000 | $ 1,000
Preferred stock, shares outstanding (in shares) | 0 | 1,600,000
Preferred Stock, Dividend Rate, Percentage | 9.75% | 9.75%
Debt fair value adjustments | $ 731 | $ 927
Capital Trust [Member] |  |
Debt Instrument [Line Items] |  |
Controlling Interest, Ownership Percentage by Parent | 100.00% |
Credit facility and commercial paper borrowings |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 433 | 365
6.00%, due January 2018 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | 0 | 750
Less: Current portion of debt | $ 0 | $ 750
Interest rate, stated percentage | 6.00% | 6.00%
7.00%, due February 2018 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 0 | $ 82
Less: Current portion of debt | $ 0 | $ 82
Interest rate, stated percentage | 7.00% | 7.00%
5.95%, due February 2018 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 0 | $ 975
Less: Current portion of debt | $ 0 | $ 975
Interest rate, stated percentage | 5.95% | 5.95%
7.25%, due June 2018 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 0 | $ 477
Less: Current portion of debt | $ 0 | $ 477
Interest rate, stated percentage | 7.25% | 7.25%
9.00%, due February 2019 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 500 | $ 500
Less: Current portion of debt | $ 500 | $ 0
Interest rate, stated percentage | 9.00% | 9.00%
2.65%, due February 2019 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 800 | $ 800
Less: Current portion of debt | $ 800 | $ 0
Interest rate, stated percentage | 2.65% | 2.65%
3.05%, due December 2019 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,500 | $ 1,500
Less: Current portion of debt | $ 1,500 | $ 0
Interest rate, stated percentage | 3.05% | 3.05%
6.85%, due February 2020 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 700 | $ 700
Interest rate, stated percentage | 6.85% | 6.85%
6.50%, due April 2020 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 535 | $ 535
Interest rate, stated percentage | 6.50% | 6.50%
5.30%, due September 2020 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 600 | $ 600
Interest rate, stated percentage | 5.30% | 5.30%
6.50%, due September 2020 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 349 | $ 349
Interest rate, stated percentage | 6.50% | 6.50%
5.00%, due February 2021 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 750 | $ 750
Interest rate, stated percentage | 5.00% | 5.00%
3.50%, due March 2021 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 750 | $ 750
Interest rate, stated percentage | 3.50% | 3.50%
5.80%, due March 2021 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 400 | $ 400
Interest rate, stated percentage | 5.80% | 5.80%
5.00%, due October 2021 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 500 | $ 500
Interest rate, stated percentage | 5.00% | 5.00%
4.15%, due March 2022 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 375 | $ 375
Interest rate, stated percentage | 4.15% | 4.15%
1.50%, due March 2022 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 860 | $ 900
Translation Adjustment Functional to Reporting Currency, Increase (Decrease), Gross of Tax | $ 46 | $ 86
Interest rate, stated percentage | 1.50% | 1.50%
3.95%, due September 2022 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,000 | $ 1,000
Interest rate, stated percentage | 3.95% | 3.95%
3.15%, due January 2023 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,000 | $ 1,000
Interest rate, stated percentage | 3.15% | 3.15%
Floating rate, due January 2023 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 250 | $ 250
3.45%, due February 2023 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 625 | $ 625
Interest rate, stated percentage | 3.45% | 3.45%
3.50%, due September 2023 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 600 | $ 600
Interest rate, stated percentage | 3.50% | 3.50%
5.625%, due November 2023 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 750 | $ 750
Interest rate, stated percentage | 5.63% | 5.63%
4.15%, due February 2024 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 650 | $ 650
Interest rate, stated percentage | 4.15% | 4.15%
4.30%, due May 2024 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 600 | $ 600
Interest rate, stated percentage | 4.30% | 4.30%
4.25%, due September 2024 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 650 | $ 650
Interest rate, stated percentage | 4.25% | 4.25%
4.30%, due June 2025 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,500 | $ 1,500
Interest rate, stated percentage | 4.30% | 4.30%
6.70%, due February 2027 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 7 | $ 7
Interest rate, stated percentage | 6.70% | 6.70%
2.25%, due March 2027 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 573 | $ 600
Translation Adjustment Functional to Reporting Currency, Increase (Decrease), Gross of Tax | $ 30 | $ 57
Interest rate, stated percentage | 2.25% | 2.25%
6.67%, due November 2027 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 7 | $ 7
Interest rate, stated percentage | 6.67% | 6.67%
4.30%, due March 2028 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,250 | $ 0
Interest rate, stated percentage | 4.30% | 4.30%
7.25%, due March 2028 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 32 | $ 32
Interest rate, stated percentage | 7.25% | 7.25%
6.95%, due June 2028 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 31 | $ 31
Interest rate, stated percentage | 6.95% | 6.95%
8.05%, due October 2030 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 234 | $ 234
Interest rate, stated percentage | 8.05% | 8.05%
7.40%, due March 2031 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 300 | $ 300
Interest rate, stated percentage | 7.40% | 7.40%
7.80%, due August 2031 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 537 | $ 537
Interest rate, stated percentage | 7.80% | 7.80%
7.75%, due January 2032 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,005 | $ 1,005
Interest rate, stated percentage | 7.75% | 7.75%
7.75%, due March 2032 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 300 | $ 300
Interest rate, stated percentage | 7.75% | 7.75%
7.30%, due August 2033 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 500 | $ 500
Interest rate, stated percentage | 7.30% | 7.30%
5.30%, due December 2034 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 750 | $ 750
Interest rate, stated percentage | 5.30% | 5.30%
5.80%, due March 2035 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 500 | $ 500
Interest rate, stated percentage | 5.80% | 5.80%
7.75%, due October 2035 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1 | $ 1
Interest rate, stated percentage | 7.75% | 7.75%
6.40%, due January 2036 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 36 | $ 36
Interest rate, stated percentage | 6.40% | 6.40%
6.50%, due February 2037 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 400 | $ 400
Interest rate, stated percentage | 6.50% | 6.50%
7.42%, due February 2037 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 47 | $ 47
Interest rate, stated percentage | 7.42% | 7.42%
6.95%, due January 2038 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,175 | $ 1,175
Interest rate, stated percentage | 6.95% | 6.95%
6.50%, due September 2039 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 600 | $ 600
Interest rate, stated percentage | 6.50% | 6.50%
6.55%, due September 2040 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 400 | $ 400
Interest rate, stated percentage | 6.55% | 6.55%
7.50%, due November 2040 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 375 | $ 375
Interest rate, stated percentage | 7.50% | 7.50%
6.375%, due March 2041 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 600 | $ 600
Interest rate, stated percentage | 6.38% | 6.38%
5.625%, due September 2041 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 375 | $ 375
Interest rate, stated percentage | 5.63% | 5.63%
5.00%, due August 2042 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 625 | $ 625
Interest rate, stated percentage | 5.00% | 5.00%
4.70%, due November 2042 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 475 | $ 475
Interest rate, stated percentage | 4.70% | 4.70%
5.00%, due March 2043 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 700 | $ 700
Interest rate, stated percentage | 5.00% | 5.00%
5.50%, due March 2044 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 750 | $ 750
Interest rate, stated percentage | 5.50% | 5.50%
5.40%, due September 2044 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 550 | $ 550
Interest rate, stated percentage | 5.40% | 5.40%
5.55%, due June 2045 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 1,750 | $ 1,750
Interest rate, stated percentage | 5.55% | 5.55%
5.05%, due February 2046 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 800 | $ 800
Interest rate, stated percentage | 5.05% | 5.05%
5.20%, due March 2048 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 750 | $ 0
Interest rate, stated percentage | 5.20% | 5.20%
7.45%, due March 2098 |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 26 | $ 26
Interest rate, stated percentage | 7.45% | 7.45%
7.00%, due March 2027 | TGP |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 300 | $ 300
Interest rate, stated percentage | 7.00% | 7.00%
7.00%, due October 2028 | TGP |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 400 | $ 400
Interest rate, stated percentage | 7.00% | 7.00%
8.375%, due June 2032 | TGP |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 240 | $ 240
Interest rate, stated percentage | 8.38% | 8.38%
7.625%, due April 2037 | TGP |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 300 | $ 300
Interest rate, stated percentage | 7.63% | 7.63%
8.625%, due January 2022 | EPNG [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 260 | $ 260
Interest rate, stated percentage | 8.63% | 8.63%
7.50%, due November 2026 | EPNG [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 200 | $ 200
Interest rate, stated percentage | 7.50% | 7.50%
8.375%, due June 2032 | EPNG [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 300 | $ 300
Interest rate, stated percentage | 8.38% | 8.38%
4.15%, due August 2026 | CIG [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 375 | $ 375
Interest rate, stated percentage | 4.15% | 4.15%
6.85%, due June 2037 | CIG [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 100 | $ 100
Interest rate, stated percentage | 6.85% | 6.85%
EPC Building, LLC, promissory note, 3.967%, due December 2035 | EPC Building LLC [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 409 | $ 421
Interest rate, stated percentage | 3.97% | 3.97%
Trust I Preferred Securities, 4.75%, due March 2028 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Convertible, Conversion Price | $ 25.18 |
Trust I Preferred Securities, 4.75%, due March 2028 | Class P |  |
Debt Instrument [Line Items] |  |
Preferred Stock, Conversion, Shares | 0.7197 |
Trust I Preferred Securities, 4.75%, due March 2028 | Capital Trust I [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 221 | $ 221
Interest rate, stated percentage | 4.75% | 4.75%
Trust Convertible Preferred Securities Outstanding (in shares) | 4,400,000 |
Preferred Stock, Liquidation Preference Per Share | $ 50 |
KMGP, $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock, due August 2057 | Kinder Morgan G.P., Inc. [Member] |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 100 | $ 100
Preferred stock, shares outstanding (in shares) | 100,000 | 100,000
Preferred stock, par value (in dollars per share) | $ 1,000 | $ 1,000
Preferred Stock, Dividend Rate, Percentage | 3.8975% |
Other miscellaneous debt |  |
Debt Instrument [Line Items] |  |
Debt, Long-term and Short-term, Combined Amount | $ 250 | $ 278
Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Redemption price of debt as a percentage of face amount | 100.00% |
1.50%, due March 2022 and 2.25%, due March 2027 [Member] | Euro Member Countries, Euro |  |
Debt Instrument [Line Items] |  |
Foreign Currency Exchange Rate, Translation | 1.1467 | 1.2005

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- Definition Fair value adjustments to debt as of the balance sheet date including fair value purchase accounting adjustments to debt and fair value of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet as well as unamortized portions of proceeds received from early termination of interest rate swap agreements. + References No definition available. + Details
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- Definition Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 + Details
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