XML 83 R61.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]      
Effective income tax, percent 18.20% 18.70% (50.80%)
Interest expense and penalties included in other income (expense), net $ (35) $ (9) $ (9)
Net operating loss carryforward recognized 41 50 $ 31
Accrued interest and penalties 133 94  
Operating loss carryforwards 1,642    
Operating loss carryforwards, subject to full valuation allowance 410    
Unrecognized tax benefits, interest on income tax expense 456 $ 468  
Wright      
Income Tax Contingency [Line Items]      
Operating loss carryforwards 1,409    
Operating loss carryforwards, subject to full valuation allowance 405    
United States      
Income Tax Contingency [Line Items]      
Operating loss carryforwards 1,509    
Foreign Tax Authority      
Income Tax Contingency [Line Items]      
Operating loss carryforwards 132    
Tax credit carryforward, amount 97    
Tax credit carryforward, valuation allowance $ 93