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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets    
Employee benefits $ 81 $ 114
Net operating loss carryforwards 1,416 2,024
Tax credit carryforwards 312 300
Interest expense limitation 372 266
Other 179 181
Valuation allowances (64) (77)
Total deferred tax assets 2,296 2,808
Deferred tax liabilities    
Property, plant and equipment 217 215
Investments(a) 4,124 3,951
Other 25 30
Total deferred tax liabilities 4,366 4,196
Net deferred tax liability $ (2,070) $ (1,388)