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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of components of net loss from continuing operations before income taxes
The components of net loss from continuing operations before income taxes are as follows:
 Year Ended December 31,
 202120202019
United States$(309)$(631)$(361)
Foreign15 (173)(16)
Net loss from continuing operations before income tax expense $(294)$(804)$(377)
Schedule of components of the expense (benefit) for income taxes The components of income tax expense (benefit) are as follows:
 Year Ended December 31,
 202120202019
Current 
U.S. Federal$(58)$$(47)
U.S. State(1)(7)
Foreign10 14 
Total(47)11 (40)
Deferred 
U.S. Federal(222)(4)(3)
U.S. State(46)(4)(2)
Foreign(3)(6)(2)
Total(271)(14)(7)
Total income tax benefit$(318)$(3)$(47)
Schedule of reconciliation of the U.S. federal statutory tax rate to the actual tax rate
The reconciliation of the U.S. federal statutory tax rate to the actual tax rate is as follows:
 Year Ended December 31,
 202120202019
Statutory U.S. federal income tax rate21.0 %21.0 %21.0 %
Foreign earnings at rates different than U.S. federal rate(2.9)%0.3 %(0.6)%
Valuation allowance adjustments86.3 %(17.1)%(8.7)%
Permanent items(0.5)%(1.9)%(3.0)%
Change in UTBs— %0.2 %1.7 %
Goodwill impairments— %(1.5)%— %
Other4.5 %(0.5)%2.1 %
Effective income tax rate108.4 %0.5 %12.5 %
Schedule of deferred income taxes
 As of December 31,
 20212020
Deferred tax assets:  
Reserves and other accrued expenses$99 $84 
Net operating loss carry forwards352 436 
Tax credit carry forwards48 42 
Interest limitation carry forwards66 20 
Differences in financial reporting and tax basis for:
Other70 51 
Less: Valuation allowance(60)(298)
Realizable deferred tax assets575 335 
Deferred tax liabilities: 
Differences in financial reporting and tax basis for:
Identifiable intangible assets(190)(217)
Property and equipment(47)(49)
Other(24)(9)
Total deferred tax liabilities(261)(275)
Net deferred tax asset on balance sheet$314 $60 
Summary of net operating loss carryforward
At December 31, 2021, we had the following NOL, interest limitation, R&D credit, and state tax credit carry forwards:
December 31, 2021
FederalStateForeign
NOL carry forwards$1,240 $1,335 $110 
Interest limitation carry forwards240 269 — 
R&D and state credit carry forwards49 — 
Summary of valuation allowance
At December 31, 2021 and 2020, we had the following valuation allowances:
December 31,
20212020
Federal$15 $223 
State22 53 
Foreign23 22 
Schedule of unrecognized tax benefits
The Company had the following activity for unrecognized tax benefits:
 Year Ended December 31,
 202120202019
Balance at beginning of period$30 $28 $34 
Tax positions related to current year additions— 
Additions for tax positions of prior years— — 
Tax positions related to prior years reductions(1)— — 
Reductions due to lapse of statute of limitations on tax positions— (1)(7)
Balance at end of period$29 $30 $28