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Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2019
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Impairment of intangible assets | $ 0 | $ 0 | $ 0 |
Reclassification from operating cash flows due to adoption of new accounting pronouncement | (390,039,000) | (323,556,000) | (282,752,000) |
Reclassification to investing cash flows due to adoption of new accounting pronouncement | $ 140,693,000 | (1,459,571,000) | (434,723,000) |
Statement of Cash Flows (Topic 230) |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Reclassification from operating cash flows due to adoption of new accounting pronouncement |  | 15,300,000 | 15,600,000 |
Reclassification to investing cash flows due to adoption of new accounting pronouncement |  | $ 15,300,000 | $ 15,600,000 |
Minimum | Crude oil pipelines and natural gas pipelines and related assets |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 5 years |  |  |
Minimum | Marine vessels |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 20 years |  |  |
Minimum | Onshore facilities, machinery, and equipment |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 3 years |  |  |
Minimum | Transportation equipment |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 3 years |  |  |
Minimum | Building and improvements |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 3 years |  |  |
Maximum | Crude oil pipelines and natural gas pipelines and related assets |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 40 years |  |  |
Maximum | Marine vessels |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 30 years |  |  |
Maximum | Onshore facilities, machinery, and equipment |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 30 years |  |  |
Maximum | Transportation equipment |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 7 years |  |  |
Maximum | Building and improvements |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 20 years |  |  |
Scenario, Forecast | Subsequent Event | Leases (ASC 840) |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Lease right-of-use asset (less than) |  |  |  | $ 250,000,000
Lease liability (less than) |  |  |  | $ 250,000,000
Offshore pipeline transportation services | Poseidon Oil Pipeline Company |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Equity investment, ownership percentage | 64.00% |  |  |
Offshore pipeline transportation services | Neptune Pipeline Company LLC |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Equity investment, ownership percentage | 25.70% |  |  |
Offshore pipeline transportation services | Odyssey Pipeline L.L.C. |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Equity investment, ownership percentage | 29.00% |  |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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