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Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax liabilities: |  |
Property, plant and equipment | $ (1,464,000,000) | $ (1,414,000,000)
Intangible assets | (95,000,000) | (114,000,000)
Other | (50,000,000) | (54,000,000)
Total deferred tax liabilities | (1,609,000,000) | (1,582,000,000)
Deferred tax assets: |  |
Payable to affiliate due to post-retirement benefit plan participation | 292,000,000 | 302,000,000
Gross deferred tax assets | 292,000,000 | 302,000,000
Less valuation allowance on deferred tax assets | 0 | 0
Net deferred tax assets | 292,000,000 | 302,000,000
Net deferred tax liabilities | $ (1,317,000,000) | $ (1,280,000,000)

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