v3.24.1.u1

Debt and Interest Expense - Debt Activity Table (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Changes in Debt Outstanding [Roll Forward] |  |  |
Beginning balance | $ 7,901,304 |  |
Commercial paper borrowings (repayments), net | (510,379) | $ 0 |
Ending balance | 7,380,473 |  | $ 7,901,304
WES Operating [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Commercial paper borrowings (repayments), net | (510,379) | $ 0 |
Other | 1,905 |  |
WES Operating [Member] | Senior Notes [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Repayments of senior notes | (15,100) |  | $ (276,700)
WES Operating [Member] | Commercial Paper Program | Commercial Paper Program |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Commercial paper borrowings (repayments), net | (510,379) |  |
WES Operating [Member] | 3.100% Senior Notes due 2025 [Member] | Senior Notes [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Repayments of senior notes | $ (2,650) |  |
Senior note, interest rate | 3.10% |  |
WES Operating [Member] | 3.950% Senior Notes due 2025 [Member] | Senior Notes [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Repayments of senior notes | $ (518) |  |
Senior note, interest rate | 3.95% |  |
WES Operating [Member] | 4.500% Senior Notes due 2028 [Member] | Senior Notes [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Repayments of senior notes | $ (6,919) |  |
Senior note, interest rate | 4.50% |  |
WES Operating [Member] | 4.750% Senior Notes due 2028 [Member] | Senior Notes [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Repayments of senior notes | $ (1,040) |  |
Senior note, interest rate | 4.75% |  |
WES Operating [Member] | 4.050% Senior Notes due 2030 [Member] | Senior Notes [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Repayments of senior notes | $ (3,981) |  |
Senior note, interest rate | 4.05% |  |
WES Operating [Member] | Finance Lease Liability [Member] |  |  |
Changes in Debt Outstanding [Roll Forward] |  |  |
Finance lease liabilities | $ 2,751 |  |

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