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Income Taxes (Components Of Net Deferred Income Tax Liability (Asset) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Deferred income tax liabilities:    
Property, plant and equipment basis differences $ 1,753 $ 1,342
Intangibles 94 184
Deferred revenue/expense (7) (8)
Other, net 48 45
Gross deferred income tax liability 1,888 1,563
Deferred income tax assets:    
Pension liability 26 48
Tax operating loss carryforward 705 476
Employee benefits 75 83
Interest expense deduction limitation carryforward 468 260
Accrued expenses 84 80
Lease obligations 131 111
Tax credit 45 32
Allowance for doubtful accounts 16 11
Other, net (28) (1)
Gross deferred income tax asset 1,522 1,100
Less: Valuation allowance (243) (180)
Net deferred income tax asset 1,279 920
Net deferred income tax liability $ 609 $ 643