v3.10.0.1

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (New Accounting Pronouncements) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2018
Item Effected [Line Items] |  |  |  |
Distributions from operations of non-controlled entities | $ 196,686 | $ 146,211 | $ 87,987 |
Net Cash Provided by (Used in) Operating Activities | 1,352,950 | 1,131,229 | 973,304 |
Distributions from returns of investments in non-controlled entities | 1,786 | 55,931 | 0 |
Net Cash Provided by (Used in) Investing Activities | (119,256) | (593,174) | (866,630) |
Property, plant and equipment | 7,628,592 | 7,235,468 |  |
Accumulated depreciation | (1,830,411) | (1,682,633) |  |
Net property, plant and equipment | 5,798,181 | 5,552,835 |  |
Investments in non-controlled entities | 1,076,306 | 1,082,511 | 931,255 |
Deferred revenue | 121,085 | 117,795 |  |
Other noncurrent liabilities | 82,240 | 30,350 |  |
Limited partner unitholders | 2,763,925 | 2,267,231 |  |
Accounting Standards Update 2014-09 [Member] |  |  |  |
Item Effected [Line Items] |  |  |  |
Property, plant and equipment | 7,628,592 |  |  | $ 7,243,984
Accumulated depreciation | (1,830,411) |  |  | (1,682,958)
Net property, plant and equipment | 5,798,181 |  |  | 5,561,026
Investments in non-controlled entities | 1,076,306 |  |  | 1,083,013
Deferred revenue | 121,085 |  |  | 115,894
Other noncurrent liabilities | 82,240 |  |  | 34,969
Limited partner unitholders | 2,763,925 |  |  | 2,273,206
Previously Reported [Member] |  |  |  |
Item Effected [Line Items] |  |  |  |
Distributions from operations of non-controlled entities |  | 123,660 | 78,723 |
Net Cash Provided by (Used in) Operating Activities |  | 1,108,678 | 964,040 |
Distributions from returns of investments in non-controlled entities |  | 78,482 | 9,264 |
Net Cash Provided by (Used in) Investing Activities |  | (570,623) | (857,366) |
Restatement Adjustment [Member] | Accounting Standards Update 2016-15 [Member] |  |  |  |
Item Effected [Line Items] |  |  |  |
Distributions from operations of non-controlled entities |  | 22,551 | 9,264 |
Net Cash Provided by (Used in) Operating Activities |  | 22,551 | 9,264 |
Distributions from returns of investments in non-controlled entities |  | (22,551) | (9,264) |
Net Cash Provided by (Used in) Investing Activities |  | (22,551) | $ (9,264) |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] |  |  |  |
Item Effected [Line Items] |  |  |  |
Property, plant and equipment | 7,610,591 | 7,235,468 |  |
Accumulated depreciation | (1,829,742) | (1,682,633) |  |
Net property, plant and equipment | 5,780,849 | 5,552,835 |  |
Investments in non-controlled entities | 1,075,805 | 1,082,511 |  |
Deferred revenue | 125,717 | 117,795 |  |
Other noncurrent liabilities | 72,922 | 30,350 |  |
Limited partner unitholders | 2,750,778 | $ 2,267,231 |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] |  |  |  |
Item Effected [Line Items] |  |  |  |
Property, plant and equipment | 18,001 |  |  | 8,516
Accumulated depreciation | (669) |  |  | (325)
Net property, plant and equipment | 17,332 |  |  | 8,191
Investments in non-controlled entities | 501 |  |  | 502
Deferred revenue | (4,632) |  |  | (1,901)
Other noncurrent liabilities | 9,318 |  |  | 4,619
Limited partner unitholders | $ 13,147 |  |  | $ 5,975

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