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Income Taxes - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2021
USD ($)
Income Taxes [Line Items]  
Tax Cuts and Jobs Act of 2017, incomplete accounting, transition tax for accumulated foreign earnings, tax credit realized $ 24
Foreign tax credits acquired $ 24
Realization assessment period 3 years
Foreign Tax Authority  
Income Taxes [Line Items]  
Corporate tax rate 21.00%
United Kingdom  
Income Taxes [Line Items]  
Corporate tax rate 19.00%
France  
Income Taxes [Line Items]  
Corporate tax rate 27.50%