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Business Segments and Related Information, Segment Reporting Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Information by business segment [Abstract] |  |  |
Segment gross operating margin | $ 2,507 | $ 2,342 |
Revenues from third parties | 14,745 | 12,431 |
Revenues from related parties | 15 | 13 |
Intersegment and intrasegment revenues | 0 | 0 |
Total revenues | 14,760 | 12,444 |
Equity in income of unconsolidated affiliates | 102 | 104 |
Property, plant and equipment, net | 46,431 |  | $ 45,804
Investments in unconsolidated affiliates | 2,321 |  | 2,330
Intangible assets, net | 3,720 |  | 3,770
Goodwill | 5,608 |  | 5,608
Segment assets | 58,080 |  | 57,512
NGL Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 5,140 | 4,929 |
Equity in income of unconsolidated affiliates | 31 | 39 |
Investments in unconsolidated affiliates | 610 |  | 612
Intangible assets, net | 818 |  | 828
Crude Oil Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 5,415 | 4,181 |
Equity in income of unconsolidated affiliates | 69 | 64 |
Investments in unconsolidated affiliates | 1,674 |  | 1,681
Intangible assets, net | 1,648 |  | 1,673
Natural Gas Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 854 | 1,215 |
Equity in income of unconsolidated affiliates | 2 | 1 |
Investments in unconsolidated affiliates | 34 |  | 33
Intangible assets, net | 1,145 |  | 1,158
Petrochemical & Refined Products Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 3,351 | 2,119 |
Equity in income of unconsolidated affiliates | 0 | 0 |
Investments in unconsolidated affiliates | 3 |  | 4
Intangible assets, net | 109 |  | 111
Reportable Business Segments [Member] | NGL Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Segment gross operating margin | 1,340 | 1,212 |
Revenues from third parties | 5,137 | 4,926 |
Revenues from related parties | 3 | 3 |
Intersegment and intrasegment revenues | 11,555 | 12,696 |
Total revenues | 16,695 | 17,625 |
Equity in income of unconsolidated affiliates | 31 | 39 |
Property, plant and equipment, net | 18,051 |  | 17,541
Investments in unconsolidated affiliates | 610 |  | 612
Intangible assets, net | 818 |  | 828
Goodwill | 2,811 |  | 2,811
Segment assets | 22,290 |  | 21,792
Reportable Business Segments [Member] | Crude Oil Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Segment gross operating margin | 411 | 397 |
Revenues from third parties | 5,406 | 4,175 |
Revenues from related parties | 9 | 6 |
Intersegment and intrasegment revenues | 13,827 | 12,584 |
Total revenues | 19,242 | 16,765 |
Equity in income of unconsolidated affiliates | 69 | 64 |
Property, plant and equipment, net | 6,412 |  | 6,627
Investments in unconsolidated affiliates | 1,674 |  | 1,681
Intangible assets, net | 1,648 |  | 1,673
Goodwill | 1,841 |  | 1,841
Segment assets | 11,575 |  | 11,822
Reportable Business Segments [Member] | Natural Gas Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Segment gross operating margin | 312 | 314 |
Revenues from third parties | 851 | 1,211 |
Revenues from related parties | 3 | 4 |
Intersegment and intrasegment revenues | 177 | 136 |
Total revenues | 1,031 | 1,351 |
Equity in income of unconsolidated affiliates | 2 | 1 |
Property, plant and equipment, net | 10,039 |  | 10,019
Investments in unconsolidated affiliates | 34 |  | 33
Intangible assets, net | 1,145 |  | 1,158
Goodwill | 0 |  | 0
Segment assets | 11,218 |  | 11,210
Reportable Business Segments [Member] | Petrochemical & Refined Products Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Segment gross operating margin | 444 | 419 |
Revenues from third parties | 3,351 | 2,119 |
Revenues from related parties | 0 | 0 |
Intersegment and intrasegment revenues | 6,324 | 4,706 |
Total revenues | 9,675 | 6,825 |
Equity in income of unconsolidated affiliates | 0 | 0 |
Property, plant and equipment, net | 9,701 |  | 9,372
Investments in unconsolidated affiliates | 3 |  | 4
Intangible assets, net | 109 |  | 111
Goodwill | 956 |  | 956
Segment assets | 10,769 |  | 10,443
Eliminations [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 0 | 0 |
Revenues from related parties | 0 | 0 |
Intersegment and intrasegment revenues | (31,883) | (30,122) |
Total revenues | (31,883) | (30,122) |
Equity in income of unconsolidated affiliates | 0 | $ 0 |
Adjustments [Member] |  |  |
Information by business segment [Abstract] |  |  |
Property, plant and equipment, net | 2,228 |  | 2,245
Investments in unconsolidated affiliates | 0 |  | 0
Intangible assets, net | 0 |  | 0
Goodwill | 0 |  | 0
Segment assets | $ 2,228 |  | $ 2,245

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