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Investments - Equity investments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Investments | $ 7,845 | $ 7,874 |
Earnings (Loss) from Equity Investments | 890 | 838 | $ 803
Amortization of excess cost of equity investments | $ (50) | (66) | (75)
Related Party | NGPL Holdings, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Interest rate, stated percentage | 6.75% |  |
Note receivable | $ 375 | 375 |
Earnings from equity investments | Related Party | NGPL Holdings, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Interest income | $ 25 | 25 | 25
Citrus Corporation |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 1,794 | 1,789 |
Earnings (Loss) from Equity Investments | $ 134 | 143 | 145
SNG |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 1,734 | 1,668 |
Earnings (Loss) from Equity Investments | $ 145 | 140 | 145
PHP |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 27.74% |  |
Equity Investments | $ 736 | 763 |
Earnings (Loss) from Equity Investments | $ 91 | 70 | 70
NGPL Holdings, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 37.50% |  |
Equity Investments | $ 618 | 623 |
Earnings (Loss) from Equity Investments | $ 117 | 121 | 111
GCX |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 34.00% |  |
Equity Investments | $ 566 | 566 |
Earnings (Loss) from Equity Investments | $ 91 | 93 | 91
Products (SE) Pipe Line Corporation |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 51.17% |  |
Equity Investments | $ 371 | 369 |
Earnings (Loss) from Equity Investments | $ 72 | 65 | 51
MEP |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 320 | 342 |
Earnings (Loss) from Equity Investments | $ 63 | 87 | 10
Utopia Holding LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 318 | 322 |
Earnings (Loss) from Equity Investments | $ 24 | 22 | 20
EagleHawk |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 25.00% |  |
Equity Investments | $ 266 | 273 |
Earnings (Loss) from Equity Investments | $ 26 | 18 | 13
Gulf LNG |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 240 | 275 |
Earnings (Loss) from Equity Investments | $ 26 | 25 | 24
Dos Caminos, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 188 | 192 |
Earnings (Loss) from Equity Investments | $ 16 | 0 | 0
Red Cedar Gathering Company |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 49.00% |  |
Equity Investments | $ 168 | 155 |
Earnings (Loss) from Equity Investments | $ 7 | 15 | 17
Cortez Pipeline Company |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 52.98% |  |
Equity Investments | $ 30 | 30 |
Earnings (Loss) from Equity Investments | $ 27 | 25 | 30
Double Eagle Pipeline LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership Interest | 50.00% |  |
Equity Investments | $ 8 | 14 |
Earnings (Loss) from Equity Investments | (6) | (42) | 18
Impairments of equity investments |  | 67 |
All others |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Investments | 488 | 493 |
Earnings (Loss) from Equity Investments | $ 57 | $ 56 | $ 58

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