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Business Segments, Segment Reporting Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Information by business segment [Abstract] |  |  |  |
Gross operating margin |  | $ 9,376 | $ 9,356 | $ 8,508
Revenues from third parties |  | 49,654 | 58,127 | 40,727
Revenues from related parties |  | 61 | 59 | 80
Intersegment and intrasegment revenues |  | 0 | 0 | 0
Total revenues |  | 49,715 | 58,186 | 40,807
Equity in income of unconsolidated affiliates |  | 462 | 464 | 583
Property, plant and equipment, net |  | 45,804 | 44,401 | 42,088
Investments in unconsolidated affiliates |  | 2,330 | 2,352 | 2,428
Intangible assets, net |  | 3,770 | 3,965 | 3,151
Goodwill |  | 5,608 | 5,608 | 5,449
Segment assets |  | 57,512 | 56,326 | 53,116
NGL Pipelines and Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Total revenues |  | 17,645 | 24,259 | 16,302
Equity in income of unconsolidated affiliates |  | 133 | 149 | 120
Intangible assets, net |  | 828 | 865 |
Goodwill |  | 2,811 | 2,811 | 2,652
Crude Oil Pipelines & Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Total revenues |  | 19,336 | 18,561 | 10,902
Equity in income of unconsolidated affiliates |  | 320 | 308 | 456
Intangible assets, net |  | 1,673 | 1,776 |
Goodwill |  | 1,841 | 1,841 | 1,841
Natural Gas Pipelines & Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Total revenues |  | 3,776 | 6,260 | 4,400
Equity in income of unconsolidated affiliates |  | 6 | 5 | 6
Intangible assets, net |  | 1,158 | 1,206 |
Goodwill | [1] | 0 | 0 | 0
Petrochemical & Refined Products Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Total revenues |  | 8,958 | 9,106 | 9,203
Equity in income of unconsolidated affiliates |  | 3 | 2 | 1
Intangible assets, net |  | 111 | 118 |
Goodwill | [1] | 956 | 956 | 956
Reportable Business Segments [Member] | NGL Pipelines and Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Gross operating margin |  | 4,898 | 5,142 | 4,316
Revenues from third parties |  | 17,635 | 24,244 | 16,293
Revenues from related parties |  | 10 | 15 | 9
Intersegment and intrasegment revenues |  | 45,490 | 65,760 | 55,796
Total revenues |  | 63,135 | 90,019 | 72,098
Equity in income of unconsolidated affiliates |  | 133 | 149 | 120
Property, plant and equipment, net |  | 17,541 | 17,283 | 17,202
Investments in unconsolidated affiliates |  | 612 | 640 | 656
Intangible assets, net |  | 828 | 865 | 317
Goodwill |  | 2,811 | 2,811 | 2,652
Segment assets |  | 21,792 | 21,599 | 20,827
Reportable Business Segments [Member] | Crude Oil Pipelines & Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Gross operating margin |  | 1,707 | 1,655 | 1,680
Revenues from third parties |  | 19,300 | 18,548 | 10,849
Revenues from related parties |  | 36 | 13 | 53
Intersegment and intrasegment revenues |  | 57,122 | 46,625 | 29,985
Total revenues |  | 76,458 | 65,186 | 40,887
Equity in income of unconsolidated affiliates |  | 320 | 308 | 456
Property, plant and equipment, net |  | 6,627 | 6,760 | 6,974
Investments in unconsolidated affiliates |  | 1,681 | 1,677 | 1,738
Intangible assets, net |  | 1,673 | 1,776 | 1,860
Goodwill |  | 1,841 | 1,841 | 1,841
Segment assets |  | 11,822 | 12,054 | 12,413
Reportable Business Segments [Member] | Natural Gas Pipelines & Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Gross operating margin |  | 1,077 | 1,042 | 1,155
Revenues from third parties |  | 3,761 | 6,229 | 4,382
Revenues from related parties |  | 15 | 31 | 18
Intersegment and intrasegment revenues |  | 527 | 888 | 650
Total revenues |  | 4,303 | 7,148 | 5,050
Equity in income of unconsolidated affiliates |  | 6 | 5 | 6
Property, plant and equipment, net |  | 10,019 | 9,721 | 8,560
Investments in unconsolidated affiliates |  | 33 | 32 | 31
Intangible assets, net |  | 1,158 | 1,206 | 849
Goodwill |  | 0 | 0 | 0
Segment assets |  | 11,210 | 10,959 | 9,440
Reportable Business Segments [Member] | Petrochemical & Refined Products Services [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Gross operating margin |  | 1,694 | 1,517 | 1,357
Revenues from third parties |  | 8,958 | 9,106 | 9,203
Revenues from related parties |  | 0 | 0 | 0
Intersegment and intrasegment revenues |  | 18,882 | 18,304 | 22,110
Total revenues |  | 27,840 | 27,410 | 31,313
Equity in income of unconsolidated affiliates |  | 3 | 2 | 1
Property, plant and equipment, net |  | 9,372 | 7,770 | 7,736
Investments in unconsolidated affiliates |  | 4 | 3 | 3
Intangible assets, net |  | 111 | 118 | 125
Goodwill |  | 956 | 956 | 956
Segment assets |  | 10,443 | 8,847 | 8,820
Eliminations [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Revenues from third parties |  | 0 | 0 | 0
Revenues from related parties |  | 0 | 0 | 0
Intersegment and intrasegment revenues |  | (122,021) | (131,577) | (108,541)
Total revenues |  | (122,021) | (131,577) | (108,541)
Equity in income of unconsolidated affiliates |  | 0 | 0 | 0
Adjustments [Member] |  |  |  |
Information by business segment [Abstract] |  |  |  |
Property, plant and equipment, net |  | 2,245 | 2,867 | 1,616
Investments in unconsolidated affiliates |  | 0 | 0 | 0
Intangible assets, net |  | 0 | 0 | 0
Goodwill |  | 0 | 0 | 0
Segment assets |  | $ 2,245 | $ 2,867 | $ 1,616
[1] | Balances are presented net of historical accumulated impairment losses of $296 million for the Natural Gas Pipelines & Service segment and $1 million for the Petrochemical & Refined Products Services segment. There have been no goodwill impairment charges recognized for the reporting units within the NGL Pipelines & Services and Crude Oil Pipelines & Services segments.

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