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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2024
Income Tax Disclosure [Abstract]  
Components of Income Before Provision for Income Taxes
The components of income before provision for income taxes consisted of the following (dollars in millions):
Year Ended December 31,
202420232022
Domestic$326 $665 $1,275 
Foreign892 612 383
Total$1,218 $1,277 $1,658 
Tax Provision (Benefit)
Our tax provision (benefit) consisted of the following (dollars in millions):
Year Ended December 31,
202420232022
Current provision:
Federal$48 $98 $338 
State60 31 99 
Foreign268 242 208 
Total current provision376 371 645 
Deferred provision:
Federal(57)(4)(249)
State(33)(56)
Foreign(104)(121)(106)
Total deferred provision(194)(121)(411)
Total provision for income taxes$182 $250 $234 
Reconciliation of Pre-Tax Income
The following is a reconciliation stated as a percentage of pre-tax income of the U.S. statutory federal income tax rate to our effective tax rate:
Year Ended December 31,
202420232022
Federal statutory tax rate21 %21 %21 %
Foreign rate differential(1)(1)— 
State taxes, net of federal benefit
Nontaxable or nondeductible items
Reserves for uncertain tax positions(4)— 
Tax credits(5)(5)(2)
Outside basis differences recognized as a result of a legal entity restructuring— — (10)
Other(1)(1)
Effective tax rate15 %19 %14 %
Temporary Tax Effects
Cumulative tax effects of temporary differences are shown below (dollars in millions):
December 31,
20242023
Assets:
Tax losses and tax credits$591 $506 
Operating lease liabilities407 343 
Bonus and deferred compensation372 334 
Bad debt and other reserves130 117 
All other295 188 
Deferred tax assets, before valuation allowance$1,795 $1,488 
Less: Valuation allowance(396)(357)
Deferred tax assets$1,399 $1,131 
Liabilities:
Property and equipment(34)(55)
Unconsolidated affiliates and partnerships(104)(115)
Capitalized costs and intangibles(555)(531)
Operating lease assets(351)(286)
All other(64)(38)
Deferred tax liabilities$(1,108)$(1,025)
Net deferred tax assets$291 $106 
Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (dollars in millions):
Year Ended December 31,
20242023
Beginning balance, unrecognized tax benefits$(413)$(391)
Gross increases - tax positions in prior period(9)(12)
Gross decreases - tax positions in prior period
Gross increases - current-period tax positions(21)(18)
Decreases relating to settlements80 — 
Reductions as a result of lapse of statute of limitations11 
Foreign exchange movement— 
Ending balance, unrecognized tax benefits$(347)$(413)