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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Deferred tax assets    
Employee benefits $ 114 $ 116
Net operating loss carryforwards 2,024 2,007
Tax credit carryforwards 300 303
Interest expense limitation 266 82
Other 181 192
Valuation allowances (77) (79)
Total deferred tax assets 2,808 2,621
Deferred tax liabilities    
Property, plant and equipment 215 163
Investments(a) 3,951 3,056
Other 30 25
Total deferred tax liabilities 4,196 3,244
Net deferred tax liability $ (1,388) $ (623)