Investments in Unconsolidated Affiliates (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated affiliates	$ 2,330	$ 2,352	$ 2,428
Equity in income of unconsolidated affiliates by business segment [Abstract]
Equity in income of unconsolidated affiliates	462	464	583
NGL Pipelines & Services [Member]
Equity in income of unconsolidated affiliates by business segment [Abstract]
Equity in income of unconsolidated affiliates	$ 133	149	120
NGL Pipelines & Services [Member] | Venice Energy Service Company, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	13.10%
Investments in unconsolidated affiliates	$ 24	25
NGL Pipelines & Services [Member] | K/D/S Promix, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 25	25
NGL Pipelines & Services [Member] | Baton Rouge Fractionators LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	32.20%
Investments in unconsolidated affiliates	$ 13	13
NGL Pipelines & Services [Member] | Skelly-Belvieu Pipeline Company, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 26	25
NGL Pipelines & Services [Member] | Texas Express Pipeline LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	35.00%
Investments in unconsolidated affiliates	$ 303	324
NGL Pipelines & Services [Member] | Texas Express Gathering LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	45.00%
Investments in unconsolidated affiliates	$ 35	36
NGL Pipelines & Services [Member] | Front Range Pipeline LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	33.30%
Investments in unconsolidated affiliates	$ 186	192
Crude Oil Pipelines & Services [Member]
Equity in income of unconsolidated affiliates by business segment [Abstract]
Equity in income of unconsolidated affiliates	$ 320	308	456
Crude Oil Pipelines & Services [Member] | Seaway Crude Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 1,192	1,183
Crude Oil Pipelines & Services [Member] | Eagle Ford Pipeline LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 373	375
Crude Oil Pipelines & Services [Member] | Eagle Ford Terminals Corpus Christi LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 116	119
Natural Gas Pipelines & Services [Member]
Equity in income of unconsolidated affiliates by business segment [Abstract]
Equity in income of unconsolidated affiliates	$ 6	5	6
Natural Gas Pipelines & Services [Member] | White River Hub, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 17	17
Natural Gas Pipelines & Services [Member] | Old Ocean Pipeline, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%
Investments in unconsolidated affiliates	$ 16	15
Petrochemical & Refined Products Services [Member]
Equity in income of unconsolidated affiliates by business segment [Abstract]
Equity in income of unconsolidated affiliates	$ 3	2	$ 1
Petrochemical & Refined Products Services [Member] | Baton Rouge Propylene Concentrator, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	30.00%
Investments in unconsolidated affiliates	$ 2	2
Petrochemical & Refined Products Services [Member] | Transport 4, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest	25.00%
Investments in unconsolidated affiliates	$ 2	$ 1