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v3.23.1

Investments in Unconsolidated Affiliates (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in unconsolidated affiliates | $ 2,338 |  | $ 2,352
Equity in income of unconsolidated affiliates by business segment [Abstract] |  |  |
Equity in income of unconsolidated affiliates | 104 | $ 117 |
NGL Pipelines & Services [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in unconsolidated affiliates | 634 |  | 640
Equity in income of unconsolidated affiliates by business segment [Abstract] |  |  |
Equity in income of unconsolidated affiliates | 39 | 34 |
Crude Oil Pipelines & Services [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in unconsolidated affiliates | 1,669 |  | 1,677
Equity in income of unconsolidated affiliates by business segment [Abstract] |  |  |
Equity in income of unconsolidated affiliates | 64 | 81 |
Natural Gas Pipelines & Services [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in unconsolidated affiliates | 32 |  | 32
Equity in income of unconsolidated affiliates by business segment [Abstract] |  |  |
Equity in income of unconsolidated affiliates | 1 | 2 |
Petrochemical & Refined Products Services [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in unconsolidated affiliates | 3 |  | $ 3
Equity in income of unconsolidated affiliates by business segment [Abstract] |  |  |
Equity in income of unconsolidated affiliates | $ 0 | $ 0 |

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