Estimates, Significant Accounting Policies and Balance Sheet Detail Estimates (Schedule of Useful Lives) (Details) (Details)	12 Months Ended
	Dec. 31, 2019
Minimum [Member] | Customer relationships, contracts and agreements (3 to 46 years)
Intangible assets, useful life, minimum (years)	3 years
Minimum [Member] | Other (5 to 20 years)
Intangible assets, useful life, minimum (years)	5 years
Maximum [Member] | Customer relationships, contracts and agreements (3 to 46 years)
Intangible assets, useful life, minimum (years)	46 years
Maximum [Member] | Patents (10 years)
Intangible assets, useful life, minimum (years)	20 years
Maximum [Member] | Trade names (20 years)
Intangible assets, useful life, minimum (years)	10 years
Maximum [Member] | Other (5 to 20 years)
Intangible assets, useful life, minimum (years)	20 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)	2 years
Natural gas and NGL storage facilities (5 to 46 years) | Maximum [Member]
Property, plant and equipment, useful life, minimum (years)	83 years
Right Of Way [Member] | Minimum [Member]
Property, plant and equipment, useful life, minimum (years)	20 years
Right Of Way [Member] | 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)	48 years