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Business Segments and Related Information, Segment Reporting Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Information by business segment [Abstract] |  |  |  |  |
Segment gross operating margin | $ 2,427 | $ 2,153 | $ 4,934 | $ 4,495 |
Revenues from third parties | 13,472 | 10,638 | 28,217 | 23,069 |
Revenues from related parties | 11 | 13 | 26 | 26 |
Intersegment and intrasegment revenues | 0 | 0 | 0 | 0 |
Total revenues | 13,483 | 10,651 | 28,243 | 23,095 |
Equity in income of unconsolidated affiliates | 101 | 121 | 203 | 225 |
Property, plant and equipment, net | 47,436 |  | 47,436 |  | $ 45,804
Investments in unconsolidated affiliates | 2,292 |  | 2,292 |  | 2,330
Intangible assets, net | 3,671 |  | 3,671 |  | 3,770
Goodwill | 5,608 |  | 5,608 |  | 5,608
Segment assets | 59,007 |  | 59,007 |  | 57,512
NGL Pipelines & Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Total revenues | 4,265 | 3,689 | 9,405 | 8,618 |
Equity in income of unconsolidated affiliates | 26 | 30 | 57 | 69 |
Investments in unconsolidated affiliates | 600 |  | 600 |  | 612
Intangible assets, net | 808 |  | 808 |  | 828
Crude Oil Pipelines & Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Total revenues | 5,888 | 4,304 | 11,303 | 8,485 |
Equity in income of unconsolidated affiliates | 73 | 88 | 142 | 152 |
Investments in unconsolidated affiliates | 1,656 |  | 1,656 |  | 1,681
Intangible assets, net | 1,622 |  | 1,622 |  | 1,673
Natural Gas Pipelines & Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Total revenues | 612 | 775 | 1,466 | 1,990 |
Equity in income of unconsolidated affiliates | 1 | 2 | 3 | 3 |
Investments in unconsolidated affiliates | 33 |  | 33 |  | 33
Intangible assets, net | 1,133 |  | 1,133 |  | 1,158
Petrochemical & Refined Products Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Total revenues | 2,718 | 1,883 | 6,069 | 4,002 |
Equity in income of unconsolidated affiliates | 1 | 1 | 1 | 1 |
Investments in unconsolidated affiliates | 3 |  | 3 |  | 4
Intangible assets, net | 108 |  | 108 |  | 111
Reportable Business Segments [Member] | NGL Pipelines & Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Segment gross operating margin | 1,325 | 1,110 | 2,665 | 2,322 |
Revenues from third parties | 4,262 | 3,687 | 9,399 | 8,613 |
Revenues from related parties | 3 | 2 | 6 | 5 |
Intersegment and intrasegment revenues | 11,558 | 9,284 | 23,113 | 21,980 |
Total revenues | 15,823 | 12,973 | 32,518 | 30,598 |
Equity in income of unconsolidated affiliates | 26 | 30 | 57 | 69 |
Property, plant and equipment, net | 17,930 |  | 17,930 |  | 17,541
Investments in unconsolidated affiliates | 600 |  | 600 |  | 612
Intangible assets, net | 808 |  | 808 |  | 828
Goodwill | 2,811 |  | 2,811 |  | 2,811
Segment assets | 22,149 |  | 22,149 |  | 21,792
Reportable Business Segments [Member] | Crude Oil Pipelines & Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Segment gross operating margin | 417 | 422 | 828 | 819 |
Revenues from third parties | 5,883 | 4,296 | 11,289 | 8,471 |
Revenues from related parties | 5 | 8 | 14 | 14 |
Intersegment and intrasegment revenues | 15,042 | 12,212 | 28,869 | 24,796 |
Total revenues | 20,930 | 16,516 | 40,172 | 33,281 |
Equity in income of unconsolidated affiliates | 73 | 88 | 142 | 152 |
Property, plant and equipment, net | 6,375 |  | 6,375 |  | 6,627
Investments in unconsolidated affiliates | 1,656 |  | 1,656 |  | 1,681
Intangible assets, net | 1,622 |  | 1,622 |  | 1,673
Goodwill | 1,841 |  | 1,841 |  | 1,841
Segment assets | 11,494 |  | 11,494 |  | 11,822
Reportable Business Segments [Member] | Natural Gas Pipelines & Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Segment gross operating margin | 293 | 238 | 605 | 552 |
Revenues from third parties | 609 | 772 | 1,460 | 1,983 |
Revenues from related parties | 3 | 3 | 6 | 7 |
Intersegment and intrasegment revenues | 138 | 117 | 315 | 253 |
Total revenues | 750 | 892 | 1,781 | 2,243 |
Equity in income of unconsolidated affiliates | 1 | 2 | 3 | 3 |
Property, plant and equipment, net | 10,141 |  | 10,141 |  | 10,019
Investments in unconsolidated affiliates | 33 |  | 33 |  | 33
Intangible assets, net | 1,133 |  | 1,133 |  | 1,158
Goodwill | 0 |  | 0 |  | 0
Segment assets | 11,307 |  | 11,307 |  | 11,210
Reportable Business Segments [Member] | Petrochemical & Refined Products Services [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Segment gross operating margin | 392 | 383 | 836 | 802 |
Revenues from third parties | 2,718 | 1,883 | 6,069 | 4,002 |
Revenues from related parties | 0 | 0 | 0 | 0 |
Intersegment and intrasegment revenues | 5,714 | 4,095 | 12,038 | 8,801 |
Total revenues | 8,432 | 5,978 | 18,107 | 12,803 |
Equity in income of unconsolidated affiliates | 1 | 1 | 1 | 1 |
Property, plant and equipment, net | 9,972 |  | 9,972 |  | 9,372
Investments in unconsolidated affiliates | 3 |  | 3 |  | 4
Intangible assets, net | 108 |  | 108 |  | 111
Goodwill | 956 |  | 956 |  | 956
Segment assets | 11,039 |  | 11,039 |  | 10,443
Eliminations [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Revenues from third parties | 0 | 0 | 0 | 0 |
Revenues from related parties | 0 | 0 | 0 | 0 |
Intersegment and intrasegment revenues | (32,452) | (25,708) | (64,335) | (55,830) |
Total revenues | (32,452) | (25,708) | (64,335) | (55,830) |
Equity in income of unconsolidated affiliates | 0 | $ 0 | 0 | $ 0 |
Adjustments [Member] |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |
Property, plant and equipment, net | 3,018 |  | 3,018 |  | 2,245
Investments in unconsolidated affiliates | 0 |  | 0 |  | 0
Intangible assets, net | 0 |  | 0 |  | 0
Goodwill | 0 |  | 0 |  | 0
Segment assets | $ 3,018 |  | $ 3,018 |  | $ 2,245

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