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Estimates, Significant Accounting Policies and Balance Sheet Detail Estimates (Schedule of Useful Lives) (Details) (Details) | 12 Months Ended
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Dec. 31, 2016
Minimum [Member] | Customer relationships, contracts and agreements (3 to 46 years) |
Intangible assets, useful life, minimum (years) | 3 years
Minimum [Member] | Other (1 to 15 years) |
Intangible assets, useful life, minimum (years) | 1 year
Maximum [Member] | Customer relationships, contracts and agreements (3 to 46 years) |
Intangible assets, useful life, minimum (years) | 46 years
Maximum [Member] | Trade names (15 years) |
Intangible assets, useful life, minimum (years) | 15 years
Maximum [Member] | Patents (9 years) |
Intangible assets, useful life, minimum (years) | 9 years
Maximum [Member] | Other (1 to 15 years) |
Intangible assets, useful life, minimum (years) | 15 years
Buildings and improvements [Member] | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 1 year
Buildings and improvements [Member] | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 45 years
Pipelines And Equipment [Member] | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 5 years
Pipelines And Equipment [Member] | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 83 years
Natural gas and NGL storage facilities (5 to 46 years) | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 5 years
Natural gas and NGL storage facilities (5 to 46 years) | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 46 years
Bulk storage, equipment and facilities (2 to 83 years) | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 2 years
Bulk storage, equipment and facilities (2 to 83 years) | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 83 years
Tanks and other equipment (5 to 40 years) | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 5 years
Tanks and other equipment (5 to 40 years) | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 40 years
Retail equipment (2 to 99 years) | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 2 years
Retail equipment (2 to 99 years) | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 99 years
Vehicles [Member] | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 1 year
Vehicles [Member] | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 25 years
Right of way (20 to 83 years) | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 20 years
Right of way (20 to 83 years) | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 83 years
Property, Plant and Equipment, Other Types [Member] | Minimum [Member] |
Property, plant and equipment, useful life, minimum (years) | 1 year
Property, Plant and Equipment, Other Types [Member] | Maximum [Member] |
Property, plant and equipment, useful life, minimum (years) | 40 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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