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v3.20.4

Reportable Segments (Advances to and investments in affiliates) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | $ 3,759 | $ 5,268 | $ 5,630
Advances to and investments in unconsolidated affiliates |  | 3,060 | 3,460 | 2,642
Intrastate Transportation And Storage [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 49 | 124 | 344
Advances to and investments in unconsolidated affiliates |  | 89 | 88 | 83
Interstate Transportation and Storage [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 150 | 375 | 812
Advances to and investments in unconsolidated affiliates |  | 2,278 | 2,524 | 2,070
Midstream [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 487 | 827 | 1,161
Advances to and investments in unconsolidated affiliates |  | 110 | 112 | 124
NGL and refined products transportation and services [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 2,403 | 2,976 | 2,381
Advances to and investments in unconsolidated affiliates |  | 509 | 461 | 243
Crude oil transportation and services [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 291 | 403 | 474
Advances to and investments in unconsolidated affiliates |  | 22 | 242 | 28
Investment In Sunoco LP [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 124 | 148 | 103
Investment In USAC [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 119 | 200 | 205
Other Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property, Plant and Equipment, Additions | [1] | 136 | 215 | 150
Advances to and investments in unconsolidated affiliates |  | $ 52 | $ 33 | $ 94
[1] | Excluding acquisitions, net of contributions in aid of construction costs (capital expenditures related to the Partnership’s proportionate ownership on an accrual basis).

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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + 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 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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