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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:    
Loss carryforwards $ 391 $ 569
Excess business interest expense 499 399
Credit carryforwards 39 141
Financing obligation 2,673 2,644
Long-term lease obligation 202 208
Other 237 233
Deferred tax assets 4,041 4,194
Deferred tax liabilities:    
Identified intangibles (677) (759)
Fixed assets (2,214) (2,295)
Right-of-use assets (168) (174)
Other (94) (101)
Deferred tax liabilities (3,153) (3,329)
Valuation allowance (956) (920)
Net deferred tax liabilities $ (68) $ (55)